A finished barndominium at dusk with warm interior lighting glowing through its large windows.
Sevier County 2018 IRC with Tennessee amendments

Barndominium Builders in Sevier County, TN

Sevier County runs its own building department and inspects to codes it adopted locally, a full edition ahead of the state's residential code. Most people building here intend a rental cabin rather than a first home, and that puts two numbers ahead of everything else. Twelve transient occupants, above which the dwelling stops being a house and becomes an R-3 occupancy under the commercial code; and 30 per cent slope, above which the Critical Slope Overlay pushes the side and rear setback to 100 ft unless the building has a sprinkler system.

Sevier County at a glance

County
Sevier County
Population
101,342
ZIP codes
37862, 37876, 37863, 37738, 37764, 37865
Site visits
About 215 miles east of our Franklin office, out I-40 past Knoxville
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Building conditions in Sevier County

What actually changes from one Tennessee jurisdiction to the next: who issues the permit, whether the residential code is enforced there at all, what the structure has to be engineered to, and what the ground is like. These are the numbers your drawings have to satisfy.

Build conditions for Sevier County , Tennessee: design wind speed Confirmed with the building official. BUILD CONDITIONS SEVIER COUNTY, TNEast TennesseeCRITERIA SET LOCALLY DESIGN WIND SPEED Confirmed with the building officialSevier County adopts its codes by commission resolution and publishes no filled-in Table R301.2, so…ZONING · A-1 AGRICULTURAL AND R-1 RURAL…30,000 sq ft in A-1 and R-1, or 25,000…Front setback 20 ft on a residential or minor collector road, side and…SHORT-TERM RENTAL UNIT OPERATIONAL PERMIT$250 a year for a unit that sleeps…Charged annually by the Sevier County Fire Marshal's Office for…WHO ISSUES THE PERMITSevier County Building Inspections227 Cedar Street, Sevierville. (865) 774-7120. Permits, plan review…Design criteria are filled in by the jurisdiction under Table R301.2 and are confirmed per parcel before any drawing is sealed.
Build conditions for Sevier 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.
Building code enforcement
Enforced locally. Sevier County received exempt jurisdiction status from the State of Tennessee on 28 November 2023, and Sevierville, Pigeon Forge, Gatlinburg and Pittman Center each hold the same status. No part of this county falls back on the state residential programme and no part of it has voted itself out of the code.

Tennessee State Fire Marshal's Office, Residential Jurisdictions & Inspectors, accurate as of 21 August 2026, tn.gov; and the county's own Short-Term Rental Unit Permit Program presentation timeline, seviercountytn.gov; both fetched 31 August 2026

Codes adopted
The county has adopted the 2024 edition of the International Residential Code, together with the 2024 International Building, Plumbing, Mechanical, Fire, Fuel Gas, Swimming Pool and Spa and Existing Building Codes and NFPA 101. Energy stays on the 2018 International Energy Conservation Code, amended by county resolution of 9 March 2024. Residential work here is a full edition ahead of the state code.

Sevier County Building Inspections, published "Current Codes adopted" list, seviercountytn.gov, fetched 31 August 2026

Twelve transient occupants
A dwelling let for thirty days or less stays under the residential code only while it is three storeys or fewer, under 5,000 gross sq ft and sleeps twelve or fewer. At thirteen it is an R-3 occupancy under the commercial building code and loses the fire sprinkler exemption. The county prices its own rental permit on exactly that line: $250 a year up to twelve, $250 plus $25 per occupant from thirteen.

Tenn. Comp. R. & Regs. 0780-02-23-.15, effective 25 February 2024, via Cornell Legal Information Institute; State Fire Marshal's Office guidance on transient rental homes, tn.gov; Sevier County Short-Term Rental Unit Permit Program, seviercountytn.gov; all fetched 31 August 2026

Short-term rental unit permit
Since 1 January 2024 every short-term rental outside city limits has needed an annual permit and a yearly fire inspection. The county reports over 6,500 units operating and has hired eight full-time fire inspectors, working the county in districts. There are separate application routes for a new build and for turning an existing residence into a rental.

Sevier County Short-Term Rental Unit Permit Program Information, Sevier County Fire Marshal's Office, 149 Industrial Park Drive, Sevierville, seviercountytn.gov, fetched 31 August 2026

Critical Slope Overlay
On land steeper than 30 per cent the side and rear setback rises to 100 ft and the separation between buildings to 200 ft. A sprinkler system halves both, to 50 ft and 100 ft. Minimum lot size is 2 acres between 30 and 50 per cent slope and 3 acres above it, height is capped at 35 ft, and post-construction impervious area cannot exceed 15 per cent of the lot.

Sevier County Zoning Regulations, amended through 17 August 2026, sections 313, 601.2, 603.1 and 604.1, seviercountytn.gov, fetched 31 August 2026

Septic is run by the county
Sevier County Environmental Health issues the septic permit, not a state office. A new permit is $300, a repair $75, and a failed final costs $100 to re-inspect. The department's posted processing time for a new application is three weeks, it wants a high-intensity soil map and a plat sealed by a registered surveyor, and the permit expires three years from issue and cannot be renewed.

Sevier County Environmental Health department page and 2024 fee schedule, 227 Cedar Street, Sevierville, (865) 429-1766, seviercountytn.gov, fetched 31 August 2026

Also worth knowing before you build in Sevier County

Design criteria
Confirmed with the building official. Sevier County adopts its codes by commission resolution and publishes no filled-in Table R301.2, so the ultimate design wind speed, ground snow load, seismic design category and frost depth get settled with Building Inspections before drawings are finalised. In a county running from the river bottoms to 6,643 ft at Kuwohi, one blanket figure would be the wrong tool anyway.

Sevier County Building Inspections page, permit fee schedules and zoning regulations all read in full for a published design criteria table, seviercountytn.gov, fetched 31 August 2026

Firewise zone around a rental
Inside the Critical Slope Overlay a five-foot noncombustible zone around the building envelope is required for short-term rental units and recommended for every dwelling. Mulch, flammable plants, leaves, needles and firewood piles are prohibited within it, and clearing debris and brush piles have to leave the parcel altogether.

Sevier County Zoning Regulations, sections 313.2.5.4 and 313.3.4.2, seviercountytn.gov, fetched 31 August 2026

Exterior colour in the Hillside Overlay
There is no county-wide restriction on metal siding or metal roofing anywhere in the zoning regulations. The one appearance rule is narrow: in the Hillside Overlay District, and only for a lot that cannot keep disturbance within 25 per cent of its area, exterior colours including roofing, siding and fascia must be muted dark earth tones with a light reflectance value below 40. A bright galvalume roof fails that test; a dark standing-seam one passes it.

Sevier County Zoning Regulations, sections 314.2.1 and 314.2.2, seviercountytn.gov, fetched 31 August 2026

Driveway grades
The first 20 ft in from the road cannot exceed 12 per cent and the rest of a private drive 18 per cent, rising to 25 per cent inside the Critical Slope Overlay. Anything steeper than 12 per cent has to be pavers, concrete, asphalt or brick rather than gravel, and the drive has to be at least 12 ft wide. On a mountain lot that is often the first real cost nobody budgeted for.

Sevier County Zoning Regulations, sections 306.4 to 306.6 and 313.3.4.3, seviercountytn.gov, fetched 31 August 2026

Building permit fee
A one- or two-family dwelling is $375 up to 1,500 sq ft enclosed, then 25 cents per square foot above that, crawl spaces excluded, on a schedule effective 1 May 2021. Inspections run footings, under-slab plumbing, rough framing, rough plumbing, energy including HVAC and gas pipe, and final. Building without a permit adds $200 for a first offence and $350 for a second, on top of the regular fee.

Sevier County Residential Permit Fees schedule, effective 1 May 2021, and the Building Inspections inspection list, seviercountytn.gov, fetched 31 August 2026

No minimum house size, and no rule aimed at this build type
The zoning regulations set no minimum heated floor area, no required garage or porch, no minimum roof pitch, no required overhang and no masonry percentage, and the word barndominium appears nowhere in them. What the resolution actually regulates is ground: slope, disturbance, impervious cover, driveway grade, frontage and lot size.

Sevier County Zoning Regulations, amended through 17 August 2026, full text searched for floor area, roof pitch, siding, metal and barndominium, seviercountytn.gov, fetched 31 August 2026

Overnight rentals have their own parking row
The zoning parking table gives a transient overnight rental one space per bedroom, minimum two, against two spaces plus one per two bedrooms over four for an ordinary dwelling. On a six-bedroom cabin that is six spaces rather than three, and on a steep lot every one of them counts against the 15 per cent impervious cap.

Sevier County Zoning Regulations, Table 305-1, residential use, seviercountytn.gov, fetched 31 August 2026

Climate zone 4A
IECC climate zone 4A, listed by name in the Tennessee energy code's own county table. That matters more than usual here, because the energy code the county has adopted is the 2018 International Energy Conservation Code, and its Table R301.1 is the table that names Sevier.

Tennessee Residential Energy Code 2018, Table R301.1, row "4A Sevier", up.codes Tennessee viewer, fetched 31 August 2026

Land market
A median asking price of $36,486 an acre against an average of $75,255, and the gap between the two is the view-lot premium. Census permit data shows 1,398 residential permits over the twelve months to May 2026. Great Smoky Mountains National Park holds a large share of the county permanently off the market, which is why buildable acreage is both scarce and steep.

land.com Sevier County market insights and Census Building Permits Survey data reported by pumsdata.com, both fetched 31 August 2026

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 Tennessee budget is usually below grade: limestone sitting shallow, karst voids and sinkholes, and slope. Those are the same conditions that decide whether a septic field passes its soil and site evaluation, so the grading plan, the footing depth 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 Sevier County

All nine services are available across Sevier 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.

Barndominium Kits

Engineered barndominium shell packages delivered to your Tennessee lot, stamped for the criteria your county adopted.

Turnkey Builds

Start to finish barndominium construction: we handle permits, slab, shell, and full interior finish.

Custom Plans

Barndominium floor plans drawn to your land, your family, and the residential code your county actually enforces.

Post-Frame Homes

Pole barn construction adapted into full residences, with wide clear spans and fast dry-in.

Steel Construction

Red-iron and light-gauge steel framing: no rot, no termites, engineered to your county’s adopted wind criteria.

Shouses

Shop and house in one building: workspace and living space under a single roof and a single permit.

Metal Homes

Full metal-clad residences: low maintenance envelopes specified to your Tennessee climate zone.

Site Preparation

Clearing, grading, pad, drainage, and utilities: the work that decides whether the build goes smoothly.

Permitting & Engineering

Sealed structural engineering and the permit that depends on it, from submittal through final inspection.

What a build looks like

Three stages every Sevier 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 cedar and hardwood treeline, 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 Sevier County.

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 for Sevier County. Tell us what you want to build and we will draw it to them.

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Where we build around Sevier County

Sevier 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.

Our Sevier County service area, covering Sevier County and the surrounding rural acreage. We build across this area from our office in Franklin, TN — this map marks the territory we serve, not a branch location.

Keep reading

The questions that usually come next once you know what Sevier County allows.

Barndominium Cost Guide

Sourced per-square-foot ranges by tier and by size, with a calculator built on the same figures.

Read it

Is It Legal in Tennessee?

Classification, zoning, the HOA gate, and why "nonresidential farm building" does not cover a home.

Read it

How Long Does It Take?

Census build-duration data, and what actually sets the permit clock where you are building.

Read it

Sources for this page

The primary documents behind the Sevier County figures above. We would rather you checked them than took our word for it.

Nearby areas we build in

Others we cover in this part of Tennessee. The permitting authority, the adopted design criteria and the zoning can all differ from one to the next.

Knoxville

Knox County
Blount County

Blount County
Jefferson County

Jefferson County

Building in Sevier County: common questions

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

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Do I need a building permit in unincorporated Sevier County?
Yes, and a local one. Sevier County received exempt jurisdiction status from the state on 28 November 2023, which means it adopts and enforces its own codes rather than leaving houses to the State Fire Marshal. The permit comes from Sevier County Building Inspections at 227 Cedar Street in Sevierville, and applications have been online since April 2023. Four things have to be in hand before the building permit will issue: the environmental health approval, zoning compliance, a floor plan and contractor information. Inspections run footings, under-slab plumbing, rough framing, rough plumbing, energy including HVAC and gas pipe, and final, and your property lines have to be marked for the footing inspection. On the published fee schedule a dwelling is $375 up to 1,500 sq ft enclosed and 25 cents a square foot above that, so a 2,400 sq ft building works out at $600. The county also accepts third-party plans examination and inspection if you would rather not queue. And on the structure itself, a clear-span rigid frame sits outside the prescriptive tables, so IRC R301.1.3 requires it to be designed by a Tennessee-licensed engineer whichever route you take.
I want to build it as a rental cabin. Does that change the code?
It changes one thing enormously, and the number is twelve. A dwelling occupied for thirty days or less is a transient rental home, and it stays under the residential code only while it is three storeys or fewer, under 5,000 gross sq ft and sleeps twelve or fewer occupants. Cross any one of those and the State Fire Marshal classifies it as an R-3 occupancy under the commercial building code, and it loses the fire sprinkler exemption that residential dwellings enjoy. Sevier County administers the same line: its short-term rental permit is $250 a year for twelve or fewer, and $250 plus $25 per occupant from thirteen up, and it publishes a notarised letter you use to drop back to twelve while a fire protection system is put right. So decide the sleeping capacity at sketch stage, not after the beds are ordered. Thirteen is not one more bed than twelve. It is a different code, a different permit route and a sprinkler system.
My lot is steep. What does the Critical Slope Overlay do to the plan?
Land steeper than 30 per cent, as mapped, brings a set of rules that reshape the building before the design starts. The side and rear setback goes to 100 ft and the separation between buildings to 200 ft, both halved to 50 ft and 100 ft if the building has a sprinkler system, which on a narrow mountain parcel is often the difference between buildable and not. Minimum lot size is 2 acres from 30 to 50 per cent slope and 3 acres above it, height is capped at 35 ft, and post-construction impervious area cannot exceed 15 per cent of the lot. Cut and fill slopes steeper than 2:1 have to be designed by a licensed engineer and cannot exceed 35 ft in height, utilities go underground, and the finished work has to be certified as-built by an engineer or surveyor within 60 days. One thing worth knowing: the map is rebuttable. You can commission an alternative slope analysis from the county GIS department, a professional engineer or a registered land surveyor, banding the parcel at 15, 20, 30 and 50 per cent, and if under half the lot exceeds 30 per cent the steep-slope regulations do not bite.
Can I clad it in metal, and does the county care what colour it is?
Metal is fine. There is no restriction on metal siding or metal roofing anywhere in the Sevier County zoning regulations, and no minimum roof pitch, required overhang, masonry percentage or minimum heated floor area either. There is exactly one colour rule, and it is narrow enough to be worth stating precisely. In the Hillside Overlay District, a lot that cannot keep its disturbance within 25 per cent of the lot area has to accept mitigation measures, and one of those is that exterior colours including roofing, siding and fascia must be muted dark earth tones with a light reflectance value below 40. That is not a county-wide rule, it does not apply outside the Hillside Overlay, and it does not apply to a lot that stays inside the disturbance limit. But if your parcel is in the overlay and you want the driveway, parking and septic field a mill-finish panel would look wrong. Check the overlay maps with Planning and Zoning on (865) 453-3882 before ordering colours.
Who handles the septic permit, and how long does it take?
Sevier County Environmental Health, at 227 Cedar Street in Sevierville, on (865) 429-1766. That is a county office rather than a state one, which is not true everywhere in Tennessee, and it means the person who decides your drainfield is local. A new septic permit is $300, a repair $75, an inspection letter $100 and a re-inspection after a failed final $100. The department's own posted processing time for a new application is three weeks, longer if information is missing or more than one site visit is needed. You will need a high-intensity soil map of the disposal area and a plat sealed and signed by a registered surveyor, and in the Shagbark, Sky Harbor and English Mountain subdivisions a current survey is always required. Permits expire three years from issue and cannot be renewed, so do not pull one early. Two warnings for a mountain lot: the same slope that gives you a walkout basement is the slope that can fail a site evaluation, and shallow rock is a real risk here. Get the soil work done before you commit to a lot, not after.
It is an agricultural building with living space in it. Am I exempt?
No, and this is the most expensive misunderstanding in the category. Tennessee's statewide standards do not apply to nonresidential farm buildings, and the load-bearing word is nonresidential. The moment the building contains a dwelling unit it is a one- or two-family dwelling and the exemption is gone. Sevier County's own regulations make the same distinction in their own words: the zoning height cap exempts agricultural buildings, including barns and silos, but not including dwellings. A shop, a hay barn or an equipment shed you do not live in is one thing. A building with a kitchen, a bathroom and a bed in it is a house, and it needs the permit, the inspections and the engineering that a house needs. If part of your building is genuinely unconditioned workshop and part is living space, say so on the application and let the building official scope the permit properly. That conversation is much cheaper before the slab than after.

What clients say

4.9 out of 5 based on 8 reviews Placeholder content

Post-frame made sense for our budget and they walked us through the foundation detail rather than glossing over it. Half a star off only because the porch framing change we asked for mid-build added three weeks.

Alina K. December 4, 2025

We had ten acres outside town and no idea what we could legally put on it. They pulled the zoning and the A-1 lot minimum before we spent anything on drawings, which saved us from buying plans for a building that would not have been approved.

Dale W. July 18, 2026

Ordered the shell kit and erected it with my brother-in-law over about six weekends. The drawings were clear, the bolt schedule matched what showed up on the truck, and the county inspector had no issues with the engineering.

Marisol T. June 2, 2026

Building in Sevier County?

Start with the plan. Tell us what you want to build and we will draw it, then confirm what Sevier County will actually let you put on the parcel and what wind load it has to meet. That conversation costs nothing.

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