20×20 Metal Building Cost in Brazos County, Texas
Estimated range based on 2026 market data and Brazos County design requirements. Final pricing requires a dealer quote.
Prefer a kit you install yourself? A 20×20 kit-only package in Brazos County runs about $4,400 – $7,600 (steel only, no erection or slab). The installed range above includes delivery and erection.
We price 20×20 metal buildings for Bryan, College Station and across Brazos County.
What the 20×20 estimate includes — and what it doesn't
Most price pages won't tell you this. The slab alone can add a third again on top of the building, so here's the honest breakdown.
Included in the installed range
- The building — frame, roof and wall panels, trim, fasteners
- Engineering for Brazos County's loads — 109 mph design wind, 5 psf snow
- Stamped drawings for your permit application
- Delivery to your prepared site
- Professional erection on a level, ready pad
- Anchors for the slab or ground type specified
Not included — budget separately
| Item | Typical cost |
|---|---|
| Concrete slab Texas-typical for 20×20 — about $5.00–$9.00/sq ft. Depends on soils report and local ready-mix. | $2,000 – $3,600 |
| 10×10 roll-up door Each | $1,200 |
| 12×12 roll-up door Each | $1,600 |
| 3'×7' walk-in door Each | $450 |
| 3'×3' window Each | $350 |
| Insulation Double-bubble through R-17 double-layer, quoted per sq ft of covered area (roof + walls), not footprint. | $1.50–$3.00/sq ft |
| Permit fees Set by Brazos County Road & Bridge — Land Development. Fees differ inside city limits, in the ETJ, and unincorporated — confirm directly. | Varies |
Site prep — clearing, grading, and getting a truck to the pad — is the other variable we can't price for you. A level, accessible site is what keeps an install to a single day; a sloped or tight one is where surprise costs come from.
Price estimator
Estimate your build
Adjust size, county, height and doors for a live range. Same math as the price band above.
What drives the price in Brazos County
A 20×20 building (400 sq ft) is in the garage-and-workshop range — big enough for vehicles, a home shop, hobby space, or storage, small enough to go up fast on a simple slab. It's the most common size for residential buyers. In Brazos County, the design loads above — not just the size — decide where in the range your price lands.
Brazos County carries an ASCE 7-22 design wind speed of 109 mph (Risk Category II), which is near the Texas inland baseline. A standard engineered metal building meets this with typical bracing and anchor-bolt spacing, so wind adds little or nothing to the base price here — the frame you'd order for most of North and Central Texas.
Foundation & slab in Brazos County
Steel is only half the job — the concrete under it is the other half. Central Texas mixes prairie clay with Hill Country limestone and caliche. On rock you may pour a simpler slab; on clay you'll want reinforcement and edge stiffening. It's the most site-dependent part of the quote, so price the foundation against your actual lot. The slab range shown in the estimator is a Texas-typical figure; your final number depends on a soils report and the local ready-mix price.
Brazos County has a light ground snow load of 5 psf, which the standard roof package already handles. It does not add to the price here.
Brazos County is Seismic Design Category B. Like nearly all of Texas, seismic loads do not govern a metal building's design here — wind is the controlling force, not earthquakes — so seismic adds nothing to the price band.
Permits in Brazos County
For a metal building in Brazos County, permitting typically runs through the Brazos County Road & Bridge — Land Development (979-822-2127). Requirements vary by whether you're inside a city limit, in the ETJ, or unincorporated, and most departments want the supplier's engineered, stamped drawings before they'll issue. Confirm current fees and setbacks with the office directly — we verify these links but rules change.
Frequently asked questions
- How much does a 20×20 metal building cost in Brazos County, TX?
- A 20×20 metal building in Brazos County typically runs $6,000 – $11,000 installed and delivered. That range reflects Brazos County's 109 mph design wind speed and current Texas market pricing. Final pricing requires a dealer quote.
- Why does the price change by county?
- Steel is engineered to local building loads. A county's design wind speed, snow load, seismic category, and — on the coast — TDI windstorm certification all change how much steel and engineering the building needs. That's why Brazos County has its own price band instead of one statewide number.
- Do I need a permit for a metal building in Brazos County?
- Usually yes. Permitting typically runs through the Brazos County Road & Bridge — Land Development, and most departments require the supplier's engineered, stamped drawings. Requirements differ inside city limits versus unincorporated areas — confirm with the office before ordering.