A narrow Roanoke Valley floor in pasture with steep wooded Blue Ridge foothills rising on both sides.
Franklin County One statewide code, no local amendments

Barndominium Builders in Franklin County, VA

Franklin County is 691 square miles between the Blue Ridge and the Pittsylvania line, holding the southern shore of Smith Mountain Lake, and 143,127 of its acres are in farms. Its median farm is 72 acres and 328 of its 886 farms are under fifty, which is the combination that makes a county actually buildable rather than merely large. The Roanoke market it belongs to reads oddly on the surface — very few people here type 'builders near me' — but it carries the highest barndominium kits volume of any Virginia market, which tells you what people are really doing: pricing packages. So the numbers that matter here are the county's own. Franklin County publishes 25 psf ground snow, an 18-inch frost line, seismic category B and Climate Zone 4, and it charges the same eighteen cents a square foot to permit a shop as to permit a house. The two lines that decide whether a kit package clears plan review are in its residential submittal guide, and they name post-and-beam connections supporting habitable space and any wall over twelve feet.

Franklin County at a glance

County
Franklin County
Population
55,526
ZIP codes
24151, 24088, 24065, 24067, 24137, 24101, 24184, 24092, 24102, 24176

Building conditions in Franklin County

The building code itself is the same in every Virginia locality, and no county, city or town may amend it. What changes from one to the next is who issues the permit and inspects the work, what that office charges, how the parcel is zoned, and the Table R301.2 design criteria the locality publishes — the 2021 Virginia Residential Code prints that table blank, with the instruction that additional criteria shall be established by the local jurisdiction. Those local numbers are what your drawings have to satisfy.

Build conditions for Franklin County , Virginia : design wind speed 115 mph. BUILD CONDITIONS FRANKLIN COUNTY…Franklin CountyONE STATEWIDE CODEDESIGN WIND SPEED115 mphFranklin County's own Local Design Criteria sheet publishes 115 in the column headed 'Wind SpeedMPH V3s'. Read it alongside the county's building FAQ, which says Franklin County 'is located in…ZONING · A-1 AGRICULTURAL35,000 sq ft in A-1 (1 acre for a tw…Franklin County zones, which a Virginia county may do under Va. Code15.2-2280, and rural land here is almost all A-1. Section 25-180…PERMIT REVIEW CLOCK5 business daysPublished review target of the issuing authorityWHO ISSUES THE PERMITFranklin County Building Inspections1255 Franklin Street, Suite 103, Rocky Mount, VA 24151. Phone540-483-3047, fax 540-483-6665. Open Monday to Friday 8:00 am to…
Build conditions for Franklin County, drawn from the sourced facts on this page. Every figure above is cited in the quick-facts panel below, with its source and vintage.
Nothing may be built at or below the 800-foot contour
Smith Mountain Lake is written straight into the county's agricultural zoning, and one clause of it is absolute. Section 25-182(c) reduces the rear setback from 30 feet to 20 for property contiguous with the lake, measures it 'from the recognized full pond level' rather than from the property line, and then says: 'In no case shall any structure be located on or below the eight-hundred-foot contour.' Walkways and steps are exempt from the rear-yard requirement; nothing is exempt from the contour. On a sloping lakeside parcel that single line, not the setback, is usually what decides whether there is a building envelope at all — so it is the first thing to establish on any lot bought for the view.

Franklin County Code of Ordinances, Chapter 25 Zoning, Article III Division 1, Sec. 25-182(c), Agricultural District (A-1); county-published PDF, Supp. No. 45

A shop permits at the same rate as the house: $0.18 a square foot
Franklin County's published building fee schedule charges $0.18 per square foot for a new site-built dwelling, with a $180 minimum, and $0.18 per square foot for an accessory structure, with a $60 minimum. The rate is identical, so the shop half and the living half of a barndominium cost the same to permit and the fee scales linearly with total footprint. On top of that sit a plan review fee of 10% of the building permit fee, the 2% state surcharge required by Va. Code 36-139, and a $35 zoning permit for a single-family dwelling from Planning and Community Development. It is one of the very few construction numbers a buyer can compute exactly, from the county's own schedule, before calling anyone.

Franklin County Building Inspections fee schedule (franklincountyva.gov/212/Fees) and Planning & Community Development fee schedule (/314/Fee-Schedule)

Post-frame connections need a sealed engineer's design here
Franklin County's Residential Submittal Guide asks for 'all sealed / stamped RDP designs for Tall Walls (Walls over 12' in height), Metwood Pan systems, Post and Beam Connections supporting habitable space'. A post-frame barndominium is exactly post and beam connections supporting habitable space, and a shop bay wall is routinely 14 to 16 feet, so both triggers land on this building type and on almost nothing else in an ordinary house. The same guide and the county's FAQ both refuse generic plan notes: 'Terms "Shall Meet Local Code" will not be accepted' and 'Code Language Stating to follow local codes will not be accepted'. A kit package that arrives without sealed connection details and sealed tall-wall details does not clear plan review in this county.

Franklin County Residential Submittal Guide, REV 6/28/23; Franklin County Building Inspections FAQ, 'What is required for a permit?'

A septic system within 500 feet of the lake gets pumped every five years
Franklin County adopted an ordinance in July 2006 requiring anyone with a septic system within 500 feet of the Smith Mountain Lake shoreline to pump or inspect it every five years, and to register the system with the county. Registration runs through the county's OpenGov portal and wants a diagram showing where the tank sits; the county then sends a reminder on the service anniversary. Whether a parcel is inside the zone is checkable on the county's GIS under a layer named 'SML 500Ft Septic Buffer'. The five-year cycle is the same interval the Chesapeake Bay Preservation Act imposes elsewhere in Virginia — but Franklin County is not a Bay Act locality and never has been, so here it arrives by the county's own ordinance and for the lake's sake rather than the Bay's.

Franklin County Septic Pump-Out Program (franklincountyva.gov/332/Septic-Pump-Out-Program); Franklin County Code Sec. 17-8, Mandatory Septic Tank Pump-Out Program, adopted July 2006

Whether your shop can have living quarters depends on the acreage, not the building
In the A-1 district a single-family detached dwelling is a permitted use outright, and so are a principal garage and a garage for storing personal vehicles — so a barndominium built as the household's only home needs no special use permit and no hearing. Add living quarters alongside a house that already exists and the rules change completely, because section 25-188 then treats them as a second dwelling: permitted only if the lot is at least one acre and the occupants are immediate family (parents, grandparents, children, grandchildren) or people who make their living working the farm, or, regardless of who lives in it, if the parcel is 100 acres or more. Two dwellings is the hard ceiling on any lot. The county is not asking how big the building is or what share of it is shop. It is asking how many dwellings the lot carries, who is in the second one, and how many acres you have.

Franklin County Code of Ordinances, Chapter 25 Zoning, Secs. 25-178 and 25-188, Agricultural District (A-1)

The farm-building exemption cannot reach a barndominium, and the county's own form says why
Franklin County hands out an Affidavit Farm Structure Exemption, and it prints the Va. Code 36-97 definition on its face: a farm structure is 'a building or structure not used for residential purposes'. A barndominium is a residence, so it fails the form's second question and the exemption never applies. The form is notarised, and it warns that 'Presentation of a false affidavit is a violation of the USBC and subject to a fine not to exceed $2,500.00'. The real cost lands later. An exempt structure gets, in the form's words, 'no plans required or inspections performed by the Franklin County Building Inspections Office' — and the county's FAQ opens its list of work requiring a permit with 'Changing the designed use of a building'. So the permit is chased afterwards, on a building whose concealed work can no longer be looked at, with the no-permit penalty running to twice the fee up to $2,500 and engineering possibly required to certify what was covered up.

Franklin County Affidavit Farm Structure Exemption, Revised 10.11.19; Franklin County Building Inspections FAQ; Franklin County Code Sec. 5-27(u)

Also worth knowing before you build in Franklin County

The county publishes 25 psf snow, an 18-inch frost line and a 16-degree winter design temperature
Virginia's residential code prints Table R301.2 blank, with em-dashes and a note that the criteria are for the local jurisdiction to establish, so these are Franklin County's own figures rather than anything the state sets. Its Local Design Criteria sheet publishes 25 psf ground snow, an 18-inch frost line, severe weathering, moderate-to-heavy termite pressure, slight-to-moderate decay probability, a 16 degree Fahrenheit winter design temperature, no ice-shield underlayment required, an air freezing index of 250 and a mean annual temperature of 55 degrees. Read the sheet carefully, because it tabulates four jurisdictions: Roanoke County and Salem sit on the same page at 24-inch frost and 30 psf snow. Franklin County is the first row, and it is the 18 and the 25.

Franklin County, Local Design Criteria for Franklin County (franklincountyva.gov/DocumentCenter/View/284), form revised 6/14/2023

The code's warm-humid climate list names the City of Franklin, not this county
The residential code's Virginia climate-zone table puts nineteen localities in the warm-humid 3A zone, and one of the names printed there is simply 'Franklin'. The rest of that list is Southside and Hampton Roads — Chesapeake, Norfolk, Suffolk, Southampton, Isle of Wight, Pittsylvania, Halifax. It is the City of Franklin, an independent city on the Blackwater River about 180 miles east, in a different planning district and a different VDOT district from this county. Franklin County's own design-criteria sheet prints 'Climate Zone – 4' and pins itself at 37 degrees 19 minutes north, 79 degrees 58 minutes west, in the Blue Ridge foothills. Two places, one name, and an insulation and fenestration path that is not interchangeable between them.

VRC 2021 Table N1101.7 (Virginia climate zone table); Franklin County, Local Design Criteria for Franklin County, 'Climate Zone – 4'

The state's karst mapping does not reach this county
Virginia Energy says the principal sinkhole country is the Valley and Ridge province and that 'Most of Virginia's karst region follows Interstate 81, and twenty-seven of Virginia's counties lie in this zone'. The state's karst mapping programme is scoped to that corridor by name. Franklin County is not on I-81 — its spine is US 220 between Roanoke and Rocky Mount and VA 122 east to the lake — and the county-by-county karst survey table that gives Roanoke County 20 percent and Botetourt 20 percent has no row for Franklin County at all. Nothing in the county's zoning, fee schedules, submittal guide or building FAQ mentions sinkholes or karst. Worth knowing what that does and does not mean: Virginia Energy also notes that narrow marble belts occur in the Piedmont, and the state's conservation department expressly disclaims its own karst map for parcel-level decisions. The state does not map this county and the county regulates nothing about it, which is a different claim from a guarantee about a particular acre.

Virginia Energy, Sinkholes and Karst (energy.virginia.gov/geology/Sinkholes.shtml); Virginia Speleological Survey county karst table, via Belo, Natural Hazard Mitigation Planning For Karst Terrains in Virginia, Virginia Tech, 2003, Table 3.1

The county's own answer on shrink-swell soil
Asked what is specific to building here, Franklin County's building department answers on soil directly: 'Franklin County does not have extensive amounts of "shrink/swell" soil. However, if expansive/collapsing soils are encountered, then a soil evaluation is required.' That is the authority's own position, with its own site-specific trigger attached, and it lines up with the state, which names the Coastal Plain, the Shenandoah Valley and the Mesozoic basins around Culpeper, Farmville, Danville and Richmond as the expansive-soil country — none of which reaches this county. Worth knowing anyway, because it applies wherever such soil does turn up: standard homeowner's insurance does not cover damage from expansive or compressive soils, or from frost heave.

Franklin County Building Inspections FAQ, 'What are some building requirements specific to the county?'; Virginia Energy, Expansive Soils (energy.virginia.gov/geology/ExpansiveSoils.shtml)

The shop adds nothing to the drainfield
Virginia sizes a septic system on bedrooms alone — 150 gallons per day per bedroom under 12VAC5-610-670 Table 5.1. There is no living-area band in the dwelling row and no table entry of any kind for a shop, a garage or a barn, so the workshop half of a barndominium contributes precisely nothing to the sewage flow the drainfield has to carry. What does drive the cost is the soil, and Virginia normally estimates the design rate from soil texture rather than digging a percolation pit: 12VAC5-610-490 assigns clay to Texture Group IV at 91 minutes per inch or slower, past the 45-minute threshold that forces a 50 percent reserve area and deep into the expensive part of the sizing curve. The permit itself comes from the Virginia Department of Health, not from the private evaluator who does the design, and VDH has 15 working days on a single-lot construction permit before it is deemed approved. For this county that is the West Piedmont Health District, with an office in Rocky Mount.

12VAC5-610-670 Table 5.1; 12VAC5-610-490; 12VAC5-610-710; Va. Code Sec. 32.1-163.5; Franklin County, Local Authorized On-Site Soil Evaluators page (West Piedmont Health District)

Franklin County is not a Chesapeake Bay Preservation Act locality
The Bay Act reaches a fixed statutory list at Va. Code 62.1-44.15:68 — 29 counties and 17 cities — and Franklin County is on neither half of it. This county drains to the Roanoke River, not to the Chesapeake. So none of the rules a Virginia landowner hears most often about waterfront building apply here: no 100-foot Resource Protection Area buffer, no bar on a new dwelling inside the buffer, no unconditional 100 percent reserve drainfield that cannot be built on, and no 2,500 square foot land-disturbance threshold. The reserve-area rule that does apply is the ordinary statewide one, 50 percent and only where the soil runs slower than 45 minutes per inch. Which makes the county's own 500-foot lake pump-out ordinance more striking, not less: it reached the same five-year interval on its own.

Va. Code Sec. 62.1-44.15:68 (statutory list of Bay Act localities); 12VAC5-610-710

Radon here is the intermediate zone, and mitigation is not required
The federal radon map puts Franklin County in Zone 2, the 2-to-4 picocurie band, and the county's building department says the same thing in its own words: 'Franklin County is located in the intermediate zone for radon. Radon mitigation methods are not required.' That is not the answer next door. Roanoke County and Pittsylvania County are both Zone 1; Bedford County, holding the other half of Smith Mountain Lake, is Zone 2 like this one. It also settles a question about the code: the residential code's radon appendix is written for 'areas of high radon potential, as indicated by Zone 1', so a Zone 2 locality is not in a position to adopt it. The federal map itself dates from 1993, which is worth saying whenever it is cited.

EPA Map of Radon Zones county table (radon_zones-spreadsheet.xls), developed 1993; Franklin County Building Inspections FAQ

Building on land in the tax deferral costs you one acre of it
Franklin County adopted the agricultural land-use assessment ordinance in 1978, and its terms are published: five acres minimum for agricultural or horticultural use, at least $1,000 a year in gross income averaged over three years, and five continuous years of history before the land qualifies in the sixth; twenty acres minimum for forest use with a forestal commitment agreement. Pasture qualifies on stocking — one mature cow per five acres for twelve months, or five goats, five sheep, five swine, or a hundred chickens. The line that catches people building a house is this one: 'One acre is excluded for a house site (if a dwelling exists) or for a proposed house site.' And the programme is a deferment rather than an abatement, so a change of use claws back. Do not confuse any of this with the Land Use permit, which is the county's zoning approval and an entirely separate thing that shares the name.

Franklin County Commissioner of the Revenue, Land Use (franklincountyva.gov/191/Land-Use)

143,127 acres in farms, and a 72-acre median
Franklin County has 143,127 acres in farms across 886 farms, 32.4 percent of its 691 square miles, ranking eleventh among Virginia localities for farm acreage. The average farm is 162 acres and the median is 72, and 328 of them are under fifty acres, with 40,597 acres of woodland inside farm boundaries. That spread is what makes the county workable rather than merely large: enough big tracts to matter and enough small ones to be reachable. The contrast next door is instructive — Pittsylvania County has far more land in farms, 244,183 acres, but a 100-acre median. Population sits at 55,526 and grew 1.9 percent from 2020, with 50,295 of those people living outside any town.

USDA 2022 Census of Agriculture, county-level farm operations series; U.S. Census Bureau Population Estimates, Vintage 2025 (sub-est2025_51.csv)

A dock is a building permit, on a guide four counties share
A dock on Smith Mountain Lake is permitted work under the statewide building code, and Franklin County publishes the requirements on a sheet headed for four counties at once — Bedford County, Franklin County, Pittsylvania County and Campbell County. Electrically it wants every outlet including the 240-volt boat hoist on GFCI protection, exposed wiring in UF cable and in conduit where it can be damaged, a disconnecting means at the dock (on land, in sight and no closer than five feet from the shoreline for a floating dock), all connections and receptacles at least four feet above the dock floor, metal parts in contact with water bonded, and a sub-panel on a four-wire feeder with isolated neutrals and equipment grounds run to a rod on shore. Structurally it wants guardrails per the residential code above 30 inches, bearing beams and girders bolted to their piers, and extra bracing at every boat-lift pulley attachment. The fee is $0.18 a square foot with a $60 minimum, plus a $50 zoning permit for two slips or fewer.

Franklin County, USBC Dock Requirements Guide (Bedford, Franklin, Pittsylvania and Campbell Counties); Franklin County building and planning fee schedules

Residential plan review runs about five business days
Franklin County's building department says residential review 'typically requires 5 business days', against up to four weeks for non-residential. The order of operations before that matters as much as the wait: a construction permit from the Health Department comes first for any new dwelling or any added bedroom, then zoning approval — a Land Use permit from the county outside the towns, or the town's own approval inside Rocky Mount or Boones Mill — and only then the building permit, with two sets of quarter-inch-scale drawings at 11 by 17 minimum, proof of land ownership, and a wall bracing plan plus a braced wall and floor plan for every level. Inspection requests logged by 3:30 pm are normally scheduled for the next working day, and a locked or inaccessible site draws a $45 re-inspection fee.

Franklin County Building Inspections FAQ, 'What is required for a permit?' and 'When are requested inspections scheduled?'; Franklin County Residential Submittal Guide, REV 6/28/23; Franklin County building fee schedule

Nothing in this county's zoning stops you building on a slope
Franklin County publishes no steep-slope building guidance of its own, and no mountainside or critical-slope overlay appears in either of its rural districts. The one place the phrase occurs in its zoning is narrow and is not about houses: section 25-189(f)(4) requires a quarter of the open space in a residential cluster development to be land that is not steeply sloped, and defines steep as a slope greater than 25 percent, purely for that composition test. That is worth knowing on lakeside ground that falls away to the water, because it means the constraints on a sloping parcel here come from elsewhere — the 800-foot contour, the setbacks measured from full pond, the septic trench-depth rule that changes below a 10 percent landscape slope, and the well rule that pushes the separation distance out another 25 feet for every 5 percent of slope downhill of a sewage system.

Franklin County Code of Ordinances, Sec. 25-189(f)(4); 12VAC5-610-950 E 1; 12VAC5-630-380 C

Read past what the county's website says about which code edition applies
Franklin County's site names four different code vintages. Its design-criteria sheet is headed 2018, its FAQ says Virginia adopted the 2015 edition in September 2018, the reference copy it points citizens to at the county library is the 2012 residential code, and its building page links a live '2021 Code Changes' resource. None of that is a fact about Franklin County law, because no Virginia locality gets to answer this question. Va. Code 36-98 makes the Uniform Statewide Building Code supersede every local building code, and 36-102 puts the power to amend it with the Board of Housing and Community Development and nobody else. The same ordinance that sets the county's 40-foot height limit still points at the BOCA Basic Building Code, a code body that no longer exists — and that provision is just as inert. What is genuinely local is Table R301.2, which the state leaves blank for the jurisdiction to fill in. Those numbers are Franklin County's. The edition is not.

Va. Code Secs. 36-98 and 36-102; Franklin County Local Design Criteria sheet; Franklin County Building Inspections FAQ; Franklin County Code Sec. 25-181(c)

An excavator grading a compacted building pad on a cleared lot, with survey stakes and a drainage swale visible.
Below the slab

The expensive surprises are in the ground, not the building

What moves a Virginia budget is usually below grade, and it is soil rather than rock. Five localities already treat a soil answer as a condition of the permit rather than a recommendation — Fauquier, Chesterfield, Isle of Wight, Madison and Culpeper each require a soil report, an engineered foundation design, or both before the footings are approved. Chesterfield asks for one on every new house with no opt-out, on its own published reasoning that small amounts of shrink-swell soil may turn up anywhere in the county. Virginia Energy puts the same point bluntly: standard homeowner's insurance does not cover damage from expansive or compressive soils. Along the Interstate 81 corridor the question changes shape entirely — Virginia Energy counts twenty-seven Virginia counties in the karst zone that follows that road, where what matters is what is under the slab rather than what the slab sits in, and karst does not stay west of the Blue Ridge: Loudoun County publishes karst terrain of its own, on the other side of it. The same ground then sizes the septic system, because 12VAC5-610 works from bedrooms and soil texture — 150 gallons a day per bedroom, with no row in the table for a shop, a garage or a barn at all, and clay assigned to the slowest texture group at 91 minutes per inch or worse, past the 45 minutes per inch that makes a reserve drainfield mandatory. The soil that needs a foundation engineer multiplies the drainfield. So the site work, the foundation and the drainfield get resolved together rather than one at a time. We price the dirt before we price the building.

What a build looks like

Three stages every Franklin County project passes through, from a raw parcel to a finished home. Site work first, because that is where the budget is decided.

Aerial view of an undeveloped rural lot with cleared grass, a oak and hickory treeline with a few loblolly pines, and a pale gravel access track.
Stage one

The parcel

Zoning, setbacks, flood zone and utility access get checked before anything is drawn.

An excavator grading a compacted building pad on a cleared lot, with survey stakes and a drainage swale visible.
Stage two

Pad and permit

Clearing, grading and a compacted pad, while the submittal works through whichever office issues the permit where you are building.

A finished barndominium at dusk with warm interior lighting glowing through its large windows.
Stage three

Frame to finish

Shell erected and dried in, then systems, insulation and interior finish through to CO.

Those are the rules where you are building in Franklin County. Tell us what you want to build and we will draw it to them.

Where we build around Franklin County

Franklin County and the rural land around it. The buildable acreage for a project this size usually sits outside the city limits, which is frequently what changes who issues your permit.

The Franklin County service area, including the rural acreage outside the built-up edge, which is where the parcels big enough for a build like this usually sit. The map marks the territory we build in. It is not a branch location, and there is no office at this pin.

Nearby areas we build in

Others we cover nearby. One may be a county, another an independent city that belongs to no county at all, and another a town inside a county — so the office that issues the permit, the fees it charges, the zoning and the design criteria each locality publishes can all differ from one card to the next.

Building in Franklin County: common questions

8 questions we get asked most often about building in Franklin County. If yours is not on the list, ask it directly.

Who issues the building permit for a barndominium in Franklin County, VA?
Franklin County Building Inspections, at 1255 Franklin Street in Rocky Mount, and that holds everywhere in the county. The department's own page puts it plainly: a permit is required from the Building Official to construct, alter, repair, add to, remove or demolish any building or structure 'in Franklin County, the Town of Boones Mill and the Town of Rocky Mount'. Zoning is the part that splits. Outside the town limits you need a Land Use permit from Franklin County Planning and Zoning before the building permit; inside Rocky Mount or Boones Mill the zoning approval comes from that town's own department instead. Note that town size tells you nothing here — Rocky Mount has 4,973 people, comfortably above the 3,500 threshold at which Va. Code 36-105(A) lets a town choose to run the Building Code itself, and the county still permits there, while 258-person Boones Mill gets the same answer from the opposite end of the scale. For most people it is moot: 50,295 of the county's 55,526 residents live outside any town, so the county handles both halves.
Which climate zone and design figures apply in Franklin County, VA?
Climate Zone 4A, from the county's own published sheet, which prints 'Climate Zone – 4' along with 4,150 heating degree days and 1,154 cooling degree days. This matters because the residential code's Virginia climate table lists a locality called just 'Franklin' in the warm-humid 3A group, and that is the City of Franklin in Hampton Roads, roughly 180 miles east — a different place entirely, in a different planning district. The rest of Franklin County's Table R301.2 figures are its own too, because Virginia prints that table blank for the local jurisdiction to fill in: 25 psf ground snow, an 18-inch frost line, seismic design category B, severe weathering, moderate-to-heavy termite pressure, a 16 degree Fahrenheit winter design temperature, no ice-shield underlayment required, an air freezing index of 250 and a mean annual temperature of 55 degrees. One warning on the wind figure: the sheet says 115 mph and the county's FAQ says 90 mph, and those are the same wind on two different bases — 90 is the older nominal gust and 115 the ultimate, strength-level speed for the same ground.
How much does a building permit cost in Franklin County, VA?
The county publishes a flat square-foot rate rather than a valuation-based one, which makes it unusually easy to work out in advance. A new site-built dwelling is $0.18 per square foot with a $180 minimum, and an accessory structure is $0.18 per square foot with a $60 minimum — the same rate, so the shop half of a barndominium permits at exactly the same price per foot as the living half. Add a plan review fee of 10 percent of the building permit fee, the 2 percent state surcharge required by Va. Code 36-139, and a $35 zoning permit for a single-family dwelling from Planning and Community Development. Separate line items exist for electrical, mechanical and plumbing at $5 per $1,000 of value with a $60 minimum each, and a detached single-family build disturbing under five acres carries a $209 stormwater fee under an agreement in lieu of a plan. Starting work without a permit costs twice the normal fee, up to $2,500, under Franklin County Code section 5-27(u).
Can I build a shop with living quarters on my land in Franklin County, VA?
Yes, and the answer turns on whether there is already a house on the parcel rather than on anything about the building. In the A-1 agricultural district a single-family detached dwelling is a permitted use outright, and a principal garage and a garage for storing personal vehicles are separately permitted in the same district — so a barndominium built as your only home needs no special use permit and no hearing. If a house already stands on the lot, the quarters become a second dwelling under section 25-188, and that is permitted only where the lot is at least one acre and the second dwelling is occupied by immediate family (parents, grandparents, children or grandchildren) or by someone whose principal livelihood comes from working that farm — or, with no restriction on who lives in it, where the parcel runs to 100 acres or more. Two dwellings is the ceiling on any one lot. Setbacks apply to the shop the same as to the house, because section 25-182 measures to the nearest point of the principal structure 'including porches or stoops or any accessory buildings'.
Will my barndominium kit plans get through plan review in Franklin County?
Only with two things a stock kit package often lacks. Franklin County's Residential Submittal Guide requires sealed and stamped designs from a registered design professional for 'Tall Walls (Walls over 12' in height)' and for 'Post and Beam Connections supporting habitable space'. A post-frame barndominium is that second item by definition, and a shop bay wall at 14 to 16 feet is the first — so both apply to this building type and rarely to anything else in a conventional house. The county also refuses generic plan language outright: 'Terms "Shall Meet Local Code" will not be accepted', and 'Code Language Stating to follow local codes will not be accepted'. Beyond that it wants two sets of quarter-inch-scale drawings at 11 by 17 minimum with a foundation plan, floor plans, elevations, a cross section, a wall bracing plan and a braced wall and floor plan for every level, plus sealed spec sheets at inspection for engineered trusses and I-joists. Owner-drawn plans are accepted if they are to scale and complete. Residential review typically takes about five business days.
What do I need to know about building on a lakefront lot on Smith Mountain Lake?
Three county rules, and one of them can decide whether the lot is buildable at all. First, section 25-182(c) of the zoning ordinance says that 'In no case shall any structure be located on or below the eight-hundred-foot contour' — an absolute line, not a setback you can seek relief from. Second, the same section reduces the rear setback from 30 feet to 20 for property touching the lake, but measures it 'from the recognized full pond level' rather than from your property line, so the envelope is not where a plat alone would suggest. Third, if the septic system sits within 500 feet of the shoreline it has to be registered with the county and pumped or inspected every five years, under an ordinance the county adopted in July 2006 for the lake's water quality — you can check whether a parcel is inside that band on the county GIS under the 'SML 500Ft Septic Buffer' layer. A dock is separately permitted work with its own four-county requirements guide, and the county charges $0.18 a square foot for it plus a $50 zoning permit for two slips or fewer.
Can I use the farm building exemption to avoid a permit on a barndominium?
No, and Franklin County's own affidavit is the clearest explanation of why. The form prints the Va. Code 36-97 definition on its face: a farm structure is 'a building or structure not used for residential purposes'. A barndominium is a residence, so it fails the form's second qualifying question and the exemption simply does not reach it. Signing anyway is what the form calls a false affidavit, 'subject to a fine not to exceed $2,500.00'. The larger problem comes later. An exempt building gets, in the county's words, 'no plans required or inspections performed' — and the county's own list of work that needs a permit opens with 'Changing the designed use of a building'. So the permit gets chased after the fact, on a structure whose framing, wiring and insulation are already closed up and can no longer be inspected, with the no-permit penalty at twice the fee up to $2,500 and engineering possibly required to certify the concealed work. Keep this separate from the agricultural zoning exemption at Va. Code 15.2-2288, which is a different instrument and does not touch the building code.
Is there karst, sinkhole or shrink-swell soil risk in Franklin County, VA?
Less than most of western Virginia, and the county says so itself. On soil, Franklin County's building department answers directly: 'Franklin County does not have extensive amounts of "shrink/swell" soil. However, if expansive/collapsing soils are encountered, then a soil evaluation is required.' The state's own expansive-soil country is the Coastal Plain, the Shenandoah Valley and the Mesozoic basins around Culpeper, Farmville, Danville and Richmond, none of which reaches this county. On karst, Virginia Energy places the sinkhole country in the Valley and Ridge and notes that most of it follows Interstate 81, and the state's karst mapping is scoped to that corridor — Franklin County is not on I-81, and the county-level karst survey that gives neighbouring Roanoke County 20 percent has no entry for Franklin County at all. Two honest caveats: the state notes that narrow marble belts do occur in the Piedmont, and its conservation department disclaims its own karst map for parcel-level decisions. So the fair statement is that the state does not map this county for karst and the county regulates nothing about it — which is not the same as a guarantee about a particular acre, and a soil evaluation on a specific site is still how you find out.

Building in Franklin County?

Start with the plan. Tell us what you want to build and we will draw it, then confirm which office issues the permit for your parcel, what it will let you put there, and what wind load it has to meet. That conversation costs nothing.