Most metal buildings in Texas run $15 to $40 per square foot installed, depending on size, whether it's a bare shell or fully finished, and what your site needs before construction even starts. A basic material-only kit can come in as low as $12–$20 per sq ft; a fully finished, insulated building with concrete, doors, and interior work can push past $40–$60 per sq ft.
The honest problem with most online price guides: they don't tell you what's actually included in the number. A "package" quote and an "installed" quote can look similar on paper and be worlds apart once you add concrete, site prep, and wind engineering.
30x40 Metal Building Cost (1,200 sq ft)
A 30x40 building is one of the most common sizes for residential garages, workshops, and small ag use in Texas.
| Build type | Estimated cost |
|---|---|
| Kit / material only | $15,000–$24,000 |
| Installed shell (no concrete) | $29,000–$48,000 |
| With concrete slab added | +$6,000–$14,000 |
| Fully finished (insulated, electrical, interior) | $60,000+ |
40x60 Metal Building Cost (2,400 sq ft)
A 40x60 is a common jump-up size for larger shops, equipment storage, or small commercial use.
| Build type | Estimated cost |
|---|---|
| Kit / material only | $30,000–$48,000 |
| Installed shell with slab | $70,000–$115,000 |
| Fully finished | $150,000+ |
Bigger buildings almost always cost less per square foot — but more in total, since site work, concrete, and doors don't shrink proportionally.
What Actually Drives Your Final Price
- Shell vs. finished. This is the single biggest swing factor. A weather-tight shell is a fraction of the cost of a building with insulation, electrical, HVAC, and interior finish-out.
- The concrete slab. Typically adds $4–$14 per sq ft depending on your soil. Clay-heavy sites often need an engineered foundation.
- Wind zone and location. Gulf Coast properties face stricter wind-load engineering requirements than inland Texas.
- Doors, windows, and eave height. Every roll-up door, walk door, and window adds cost — and taller eave heights require heavier framing.
- Site prep. Grading, clearing, and access all vary hugely by property and aren't part of a "per square foot" building quote.
- Permits and engineering. PE-stamped drawings and local permit fees typically run a few hundred to a couple thousand dollars.
Shell-Only vs. Fully Finished: Which Do You Actually Need?
If you're storing equipment, vehicles, or hay, a shell with a slab is usually plenty. If you're planning a workshop you'll spend real time in, a small office inside the building, or eventually converting part of it to living space, it's worth budgeting for insulation and electrical from the start — retrofitting an unfinished shell later almost always costs more than building it in up front.