Barndominium under $150,000: how big can you build?
Updated: October 29, 2026 · Based on our barndominium cost guide
For $150,000, you can build a finished barndominium of about 670 to 1,240 sq ft with basic finishes, a septic system, a well and a driveway, if you manage the build yourself. That does not include the land. If your land already has water and sewer, the same money stretches to about 900 to 1,320 sq ft.
If you want more space, the other route is to build a larger shell now and finish it in stages: $150,000 covers the shell and slab for roughly 2,410 to 4,410 sq ft.
Three ways to spend $150,000
| What you build | Size for $150,000 |
|---|---|
| Finished home, basic finishes, with septic, well and driveway | 670 to 1,240 sq ft |
| Finished home, basic finishes, land already has water and sewer | 900 to 1,320 sq ft |
| Finished home, mid-range finishes, with septic, well and driveway | 640 to 1,160 sq ft |
| Shell and slab only, to finish over time | 2,410 to 4,410 sq ft |
The range runs from the most expensive case (smaller home) to the least expensive (bigger home) in our cost model.
What a 960 sq ft build costs, line by line
| What it pays for | Cost |
|---|---|
| Building shell, put up on your slab (kit plus erection) | $28,800 to $48,000 |
| Concrete slab foundation with footings | $3,800 to $11,500 |
| Plumbing, electrical, heating and cooling | $27,700 to $33,700 |
| Interior finishes (walls, insulation, cabinets, flooring, fixtures) | $27,800 to $33,900 |
| Permits, drawings and engineering, other site costs | $6,800 to $8,200 |
| Final steps (clean-up, landscaping, outdoor features) | $9,000 to $10,900 |
| Septic system (conventional) | $3,000 to $15,000 |
| Water well and pump | $6,400 to $20,100 |
| Driveway | $5,600 to $11,100 |
| Total | $118,900 to $192,400 |
How far $150,000 goes by state
Finished home with basic finishes, septic, well and driveway, adjusted for each state's building trade wages.
| State | Finished size | Shell and slab only |
|---|---|---|
| Texas | 740 to 1,360 sq ft | 2,660 to 4,850 sq ft |
| Florida | 740 to 1,370 sq ft | 2,670 to 4,870 sq ft |
| Ohio | 690 to 1,200 sq ft | 2,410 to 4,400 sq ft |
| Georgia | 740 to 1,370 sq ft | 2,670 to 4,880 sq ft |
| Tennessee | 730 to 1,330 sq ft | 2,600 to 4,740 sq ft |
| Alabama | 750 to 1,400 sq ft | 2,730 to 4,970 sq ft |
| Missouri | 660 to 1,210 sq ft | 2,350 to 4,290 sq ft |
| Oklahoma | 740 to 1,360 sq ft | 2,650 to 4,840 sq ft |
See every state in the cost by state table, or put in your own numbers in the cost calculator.
How to stretch $150,000 further
- Manage the build yourself rather than hiring a general contractor.
- Pick a simple rectangle in a standard kit size, such as 30 × 40 or 40 × 50.
- Start with basic finishes and upgrade later.
- Price your septic and well first: on some land they cost far more than average.
Get your budget breakdown by email
We'll email you the full cost guide and our kit price list.
Questions
How big of a barndominium can I build for $150,000?
About 670 to 1,240 sq ft finished, with basic finishes, a septic system, a well and a driveway, managing the build yourself and not counting land. If your land already has water and sewer, about 900 to 1,320 sq ft.
Can you build a barndominium shell for $150,000?
Yes. $150,000 covers the shell and a concrete slab for roughly 2,410 to 4,410 sq ft, at published prices for an erected shell. Plumbing, electrical, the interior, septic and well would still be needed before you could live in it.