A prefab metal building costs roughly $13–$31 per square foot installed in 2026 — about $18,000–$32,000 for a 30×40 and $75,000–$130,000 for a 60×100, excluding foundation. Exact pricing depends on region, insulation, and door count. The tables below break costs down by type and size; a free local quote gets you an exact figure.
These are typical installed cost ranges (materials + erection labor, excluding foundation). Actual costs vary by region, size, specs, and current material prices.
Price ranges reviewed and updated September 2026 — compiled across all 9 building types and 50 U.S. states we cover.
| Building Type | Typical Size | Kit Only | Installed (No Foundation) | Turnkey (w/ Foundation) |
|---|---|---|---|---|
| 🌾 Agricultural Buildings | 40x60 to 100x200 | varies | $25,000 – $150,000 | Add 15–25% |
| 📦 Warehouse Buildings | 60x100 to 200x400 | varies | $80,000 – $600,000 | Add 15–25% |
| 🔧 Workshop & Garage Buildings | 24x30 to 60x120 | varies | $12,000 – $80,000 | Add 15–25% |
| 🏪 Commercial Buildings | 30x60 to 100x200 | varies | $50,000 – $400,000 | Add 15–25% |
| 🏭 Industrial Buildings | 80x150 to 300x600 | varies | $120,000 – $2,000,000+ | Add 15–25% |
| ⛪ Church & Worship Buildings | 40x80 to 100x200 | varies | $60,000 – $500,000 | Add 15–25% |
| ✈️ Aircraft Hangars | 40x40 to 120x200 | varies | $30,000 – $300,000 | Add 15–25% |
| 🐴 Riding Arenas | 60x120 to 100x300 | varies | $50,000 – $350,000 | Add 15–25% |
| 🔐 Self-Storage Buildings | 10x20 units, facilities from 5,000–50,000 sq ft | varies | $150,000 – $1,500,000 | Add 15–25% |
* Installed prices include primary framing, panels, trim, and erection labor. Excludes foundation/slab, insulation, electrical, plumbing, and interior finishes. Prices reflect 2026 market conditions and will vary by region.
Larger buildings have a lower cost per square foot. A 60×100 building typically costs significantly less per sq ft than a 30×40 building of the same spec.
Labor rates, material delivery costs, and local code requirements vary significantly by region. Coastal hurricane zones and heavy snow areas require additional engineering.
Overhead doors, walk doors, windows, and skylights add cost. Large overhead doors (12×14 or larger) can add $3,000–$8,000 each depending on type.
Fiberglass batt insulation (R-10 to R-25) adds $2–$5/sq ft. Spray foam or rigid board adds more but provides superior performance in extreme climates.
Premium panel colors, wainscoting, and trim packages add modest cost. Roof color also affects energy efficiency — reflective colors reduce cooling loads.
Raw steel prices fluctuate with market conditions. Locking in a quote quickly and requesting a price guarantee period from your dealer can protect your budget.
| Building Size | Sq Footage | Est. Cost Range (Installed) | Est. Cost / Sq Ft |
|---|---|---|---|
| 24×30 | 720 sq ft | $12,000 – $22,000 | $17 – $31 |
| 30×40 | 1,200 sq ft | $18,000 – $32,000 | $15 – $27 |
| 40×60 | 2,400 sq ft | $30,000 – $55,000 | $13 – $23 |
| 50×80 | 4,000 sq ft | $50,000 – $90,000 | $13 – $23 |
| 60×100 | 6,000 sq ft | $75,000 – $130,000 | $13 – $22 |
| 80×120 | 9,600 sq ft | $110,000 – $200,000 | $11 – $21 |
| 100×200 | 20,000 sq ft | $200,000 – $380,000 | $10 – $19 |
| 150×300 | 45,000 sq ft | $400,000 – $800,000+ | $9 – $18 |
Past about 60 ft of width the cost is set by frame geometry rather than by square footage. The clear span calculator gives you framing steel per square foot and a package cost range, and the rigid frame reference covers the decisions behind it — clear span against modular, eave height, bay spacing, and design loads.
National averages only tell part of the story. Get free quotes from local dealers who know your region's actual costs.