Barndominium Builders in Johnson City, TN

Barndominium Builders Johnson City plans and builds barndominiums for landowners in Johnson City and across the Tri-Cities: open-span homes with metal or board-and-batten skins, shop houses with living quarters over or beside the bays, and fully finished barndos ready to move into. Many barndominium buyers in this region own a few acres outside town, or are about to, and want a home that fits that land.

A city that sits in three counties

Johnson City is mostly in Washington County, but parts of it reach into Sullivan County to the north and Carter County to the east. It sits at about 1,634 feet in an Appalachian valley, with Buffalo Mountain, a ridge over 2,700 feet, on the south side and the Watauga River arm of Boone Lake, a TVA reservoir, partly inside city limits. For a barndominium, that county line matters more than the zip code: it decides who issues your permit and which office reviews your septic, driveway and stormwater plans.

Weather that shapes the building

The city has a humid subtropical climate. It averages about 45 inches of precipitation and 15.6 inches of snow a year, January nights average about 25 degrees, and the record low is 21 below zero. Warm, wet summers and cold nights are exactly the conditions that make bare steel sweat, so every barndo we plan includes an insulation and vapor control strategy for the roof and walls.

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Codes and inspections in Tennessee

Tennessee's state residential program enforces the 2018 International Residential Code and 2018 energy code for one- and two-family homes in areas that have not opted out or received a local exemption. Inspections happen before the foundation is poured, at framing and rough-in, and at final. Cities like Jonesborough run their own building departments, and Sullivan and Carter counties have their own permit offices, so we confirm the right office for your parcel before drawings are finished.

Septic comes first on rural land

Outside the sewer lines, a home needs a subsurface sewage disposal permit from the Tennessee Department of Environment and Conservation (TDEC). A TDEC environmental scientist evaluates the site, may ask for a soils map, and has up to 45 days after a complete application. Because that evaluation decides where the house can go, we start it early.

What we build

• Barndominium kits supplied and erected on your foundation
• Stock and modified barndominium floor plans
• Custom barndominiums designed around your land and needs
• Mountain barndominiums for slopes, hollows and high valleys
• Shop houses with work bays and living space under one roof
• Turnkey barndominium construction from site prep to final inspection

We build across the Tri-Cities and the counties around them. The Johnson City metro is Carter, Unicoi and Washington counties, home to about 207,000 people in 2020, and the wider Tri-Cities combined area, including Kingsport and Bristol, counted about 585,000. On the Virginia side we work in Abingdon and Bristol.

The valley: Washington, Sullivan, Greene and Hawkins counties

Johnson City, Jonesborough, Gray, Kingsport, Blountville, Piney Flats, Bluff City, Church Hill, Rogersville and Greeneville sit in the Ridge-and-Valley country: long, even ridges with long valleys between them, carved where soft shale and limestone wore away. The farm soils here are clay-rich. The USDA Dunmore series, formed from dolomitic limestone in the East Tennessee valleys, averages 40 to 60 percent clay, and some areas are pitted with limestone sinks. The Groseclose series, on the ridges and side slopes, has a clayey subsoil with slow permeability. On land like that, we look for sinks and drainage paths before choosing a pad and size the slab for the soil.

Permitting changes as you cross county lines. Sullivan County requires a building permit, a septic permit from the local TDEC field office, a driveway permit from the County Highway Department (or TDOT on a state highway) and a TDEC construction stormwater permit when more than an acre is disturbed. Downtown Blountville and Piney Flats Village are historic districts where exterior work needs a Certificate of Appropriateness. In Jonesborough, the H-1 historic district has the same requirement, and grading or clearing needs its own permit.

The mountains: Carter, Unicoi and Johnson counties

East and south of Johnson City, Elizabethton, Hampton, Roan Mountain, Erwin, Unicoi and Mountain City sit in the Blue Ridge. Roan Mountain's community is at about 2,579 feet along the upper Doe River, below a 6,285-foot summit. Mountain City, at 2,418 feet, is the highest incorporated city in Tennessee, and it shares the state's record low of 32 below. Creeks and rivers here can rise violently: on September 27, 2024, Helene's flooding on the Nolichucky River swamped Unicoi County Hospital in Erwin and forced a helicopter rescue from its roof. Carter County asks for a 911 address, septic permit, highway department driveway agreement and a stormwater permit for cut-and-fill or slab work before it issues a building permit, and it doubles the fee if work starts first.

Southwest Virginia: Abingdon and Bristol

Abingdon, the Washington County, Virginia seat, sits at about 2,087 feet between the Middle and North Forks of the Holston River and averages about 12.5 inches of snow. Virginia builds under its own Uniform Statewide Building Code (the 2021 edition took effect January 18, 2024), and septic and private well permits go through the Virginia Department of Health. We handle each side of the state line on its own terms.