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.
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
Franklin County Building Inspections fee schedule (franklincountyva.gov/212/Fees) and Planning & Community Development fee schedule (/314/Fee-Schedule)
Franklin County Residential Submittal Guide, REV 6/28/23; Franklin County Building Inspections FAQ, 'What is required for a permit?'
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
Franklin County Code of Ordinances, Chapter 25 Zoning, Secs. 25-178 and 25-188, Agricultural District (A-1)
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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Franklin County, Local Design Criteria for Franklin County (franklincountyva.gov/DocumentCenter/View/284), form revised 6/14/2023
VRC 2021 Table N1101.7 (Virginia climate zone table); Franklin County, Local Design Criteria for Franklin County, 'Climate Zone – 4'
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
Franklin County Building Inspections FAQ, 'What are some building requirements specific to the county?'; Virginia Energy, Expansive Soils (energy.virginia.gov/geology/ExpansiveSoils.shtml)
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)
Va. Code Sec. 62.1-44.15:68 (statutory list of Bay Act localities); 12VAC5-610-710
EPA Map of Radon Zones county table (radon_zones-spreadsheet.xls), developed 1993; Franklin County Building Inspections FAQ
Franklin County Commissioner of the Revenue, Land Use (franklincountyva.gov/191/Land-Use)
USDA 2022 Census of Agriculture, county-level farm operations series; U.S. Census Bureau Population Estimates, Vintage 2025 (sub-est2025_51.csv)
Franklin County, USBC Dock Requirements Guide (Bedford, Franklin, Pittsylvania and Campbell Counties); Franklin County building and planning fee schedules
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
Franklin County Code of Ordinances, Sec. 25-189(f)(4); 12VAC5-610-950 E 1; 12VAC5-630-380 C
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)
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 we build in Franklin County
All nine services are available in Franklin County. What a build costs depends far more on the parcel than on square footage, so we price against your land rather than publishing a rate card.
Custom Plans
Barndominium floor plans drawn to your parcel and to the design criteria your own Virginia locality publishes, not to a generic national spec.
Barndominium Kits
Engineered barndominium shell packages delivered to your Virginia land, drawn to the criteria your own building department fills in.
Turnkey Builds
Start to finish barndominium construction: permits, site work, shell and full interior finish, under one contract and one schedule.
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.
The parcel
Zoning, setbacks, flood zone and utility access get checked before anything is drawn.
Pad and permit
Clearing, grading and a compacted pad, while the submittal works through whichever office issues the permit where you are building.
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.
Keep reading
The questions that usually come next once you know what Franklin County allows.
Barndominium Cost Guide
Sourced per-square-foot ranges by tier and by size, with a calculator built on the same figures.
Read itIs It Legal in Virginia?
Classification, zoning, the HOA gate, and why "nonresidential farm building" does not cover a home.
Read itHow Long Does It Take?
Census build-duration data, and what actually sets the permit clock where you are building.
Read itNearby 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?
Which climate zone and design figures apply in Franklin County, VA?
How much does a building permit cost in Franklin County, VA?
Can I build a shop with living quarters on my land in Franklin County, VA?
Will my barndominium kit plans get through plan review in Franklin County?
What do I need to know about building on a lakefront lot on Smith Mountain Lake?
Can I use the farm building exemption to avoid a permit on a barndominium?
Is there karst, sinkhole or shrink-swell soil risk in Franklin County, VA?
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.