Services and costs
Barndominium construction in the Texas Hill Country, from land review and design through site work, permits, and finish, with current cost ranges.
From raw acreage to move-in
A turnkey barndominium covers far more than a steel kit and a slab. On rural Hill Country land, the project includes the well, the septic system, the power line, and the driveway, along with the home itself. We plan and coordinate all of it under one schedule, so you are not chasing a dozen separate trades across an hour of ranch road.
What the project includes
Site development and utilities
- Site review: access, slope, drainage, and floodplain status
- Soil testing and engineered foundation design
- Clearing, pad preparation, and driveway
- Water well drilling and pump
- Septic design, county permitting, and installation
- Electric service from Central Texas Electric Cooperative or Pedernales Electric Cooperative, depending on the property

Structure and shell
- Engineered steel frame sized for the site's wind exposure and clear spans
- Standing seam metal roof with a PVDF (Kynar 500) finish
- Metal or mixed-material siding, porches, and overhead doors
- Reinforced concrete slab
Interior systems
- HVAC sized for a metal building's heat load
- PEX plumbing and a tankless or high-efficiency water heater
- 200-amp electrical service, with 240-volt shop circuits and EV charger wiring as needed
- Closed-cell spray foam insulation to stop condensation on steel
Finish work
- Flooring: stained concrete, wood, LVP, or tile
- Cabinetry, countertops, and trim
- Paint, fixtures, and appliances
Cost per square foot
| Finish Level | Living Area, per sq ft | Typical Features |
|---|---|---|
| Practical | $165 to $200 | Stock cabinetry, LVP or stained concrete, standard fixtures |
| Custom mid-range | $200 to $275 | Semi-custom cabinetry, tile, wood accents, larger porches |
| Premium | $275 to $400+ | Custom millwork, stone, vaulted ceilings, high-end appliances, outdoor kitchens |
Shop, garage, and RV bay space under the same roof runs about $60 to $110 per square foot, depending on insulation, electrical, and doors. These figures cover the building only. They exclude land and the site work below.
Site work on raw Hill Country land
| Item | Typical Range |
|---|---|
| Water well, drilled and equipped | $15,000 to $35,000 |
| Septic system (aerobic systems are common on shallow rock) | $12,000 to $22,000 |
| Electric line extension | $5,000 to $30,000+ |
| Driveway or access road | $5,000 to $20,000+ |
| Pad cut, rock removal, and grading | $10,000 to $40,000+ |
| Drainage and erosion control | $8,000 to $25,000 |
Most raw tracts land between $60,000 and $120,000 for site work. Remote properties, long driveways, and deep wells push past that. Carry a 10 to 15 percent contingency on top of the full budget.
Example: A 2,500 sq ft custom home at $200 to $275 per square foot, plus $60,000 to $120,000 of site work, comes to roughly $560,000 to $810,000 before land.
Permits and approvals
Inside Fredericksburg city limits
- Building permit from the City of Fredericksburg
- City inspections through construction
- City utilities where available
Unincorporated Gillespie County
- No county residential building permit or building inspection
- Floodplain determination signed by the County Engineer, required before the septic application is complete
- On-site sewage facility (OSSF) permit from the county sanitation office
- Well drilling under Hill Country Underground Water Conservation District rules
With no county inspector involved, we recommend third-party inspections at the foundation, framing, and pre-drywall stages.
Timeline
| Phase | Typical Duration |
|---|---|
| Design and engineering | 2 to 4 months |
| Septic, floodplain, or city permits | Several weeks |
| Site work and foundation | 1 to 3 months |
| Steel frame and exterior | 1 to 2 months |
| Interior and finish | 4 to 6 months |
Plan on about a year from first meeting to move-in for a custom build.
Get an estimate built around your land. Request a consultation and we'll start with the property.
Common questions
Do I need a building permit for a barndominium in Gillespie County?
It depends on where the property sits. Inside Fredericksburg city limits, the City of Fredericksburg requires a building permit and inspects the work. In unincorporated Gillespie County, the county does not issue residential building permits or run building inspections. You will still need a county septic (OSSF) permit, and since August 2025 the County Engineer's floodplain determination has to be signed before the septic application is considered complete. Because no county inspector visits the job, we recommend independent third-party inspections at the foundation, framing, and pre-drywall stages.
Does a barndominium qualify for an agricultural exemption in Gillespie County?
The house does not. Texas ag valuation (known as 1-d-1 open-space appraisal) lowers taxes on land that is in qualifying agricultural use. Gillespie Central Appraisal District appraises buildings, including homes and barns, at market value, and the homesite land is taxed at market value too. The surrounding acreage can qualify if it has been in agricultural use for at least five of the last seven years and meets the district's intensity standards, such as livestock stocked at about one animal unit per 20 to 25 acres, or orchards and vineyards of at least three acres. Confirm current guidelines with Gillespie CAD before you buy or build.
How much does a barndominium cost in the Fredericksburg area?
For the finished living area, expect roughly $165 to $200 per square foot for a practical build, $200 to $275 for a custom mid-range build, and $275 to $400 or more for premium finishes. Attached shop or RV bay space costs less, often $60 to $110 per square foot. Those figures exclude land and site work. Well, septic, power, driveway, and pad preparation on raw Hill Country acreage commonly add $60,000 to $120,000. A 2,500 sq ft custom home with site work usually lands between about $560,000 and $810,000 before land.
How long does it take to build a barndominium in the Hill Country?
Plan on about a year from first meeting to move-in. Design and engineering take 2 to 4 months. Septic and floodplain approvals in the county, or city permits inside Fredericksburg, add several weeks. Construction on a custom build usually runs 7 to 12 months, and site work on rocky or sloped land can stretch the early phases.
Can a barndominium include an RV bay, a workshop, or equipment storage?
Yes. That is the main reason many owners choose one. A typical RV bay uses a 14-foot-tall overhead door, 16 feet or more of clear height, and a 50-amp RV outlet. Workshops usually get 240-volt circuits for welders and compressors. A clear-span steel frame leaves those spaces open with no interior columns.
Can you build on raw land without utilities?
Yes, and most Hill Country acreage starts that way. Budget for a water well ($15,000 to $35,000 depending on depth), a septic system (aerobic systems, common on shallow rocky soils, often run $12,000 to $22,000), and electric service. Rural Gillespie County is served mostly by Central Texas Electric Cooperative, with Pedernales Electric Cooperative in parts of the region, and a long line extension can cost $5,000 to $30,000 or more. Check the Hill Country Underground Water Conservation District's rules before you drill.
Can I rent out a barndominium or guest house as a short-term rental?
Inside Fredericksburg city limits, any stay under 30 days requires a City short-term rental permit, an inspection before the permit is issued and at each annual renewal, and the City caps the number of permits by zone. In unincorporated Gillespie County there is no City permit, but you must collect the 6% state and 7% county hotel occupancy tax. Deed restrictions and HOA rules can prohibit short-term rentals anywhere, so read them before you buy.
Do Texas barndominium builders need a license?
Texas has no state license for general contractors or home builders. Electricians, plumbers, and HVAC contractors do need licenses from the Texas Department of Licensing and Regulation. When you compare builders, ask for proof of general liability insurance, a written warranty, references from recent rural builds, and the licenses of the trades doing your electrical, plumbing, and HVAC work.
Start with your land
Tell us about your property. We'll talk through well, septic, access, and layout, then map out what your build will take.
Building across Fredericksburg, Kerrville, Johnson City, Marble Falls, Llano, Boerne, Comfort, Stonewall, Doss, Harper.