Gallatin County Home Building Costs
2026 construction cost estimates for Gallatin County, Montana. Population: 125,000.
County $/sq ft
$212
Montana avg: $184
vs State Average
+15%
Local market premium
2,000 sq ft home
$424,000
Mid-range estimate
Local Market Factors
- ›Bozeman area
- ›Fastest growing in state
- ›Remote worker influx driving costs up
Cost by Home Size in Gallatin County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $78,372 | $106,000 | $144,340 |
| 1,000 sq ft | $156,745 | $212,000 | $288,681 |
| 1,500 sq ft | $235,117 | $318,000 | $433,021 |
| 2,000 sq ft | $313,489 | $424,000 | $577,362 |
| 2,500 sq ft | $391,862 | $530,000 | $721,702 |
| 3,000 sq ft | $470,234 | $636,000 | $866,043 |
| 4,000 sq ft | $626,979 | $848,000 | $1,154,723 |
| 5,000 sq ft | $783,723 | $1,060,000 | $1,443,404 |
Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Add 30–40% to these figures for total project cost.
County multiplier of 1.15× applied to Montana state average (which itself is 0.98× the national average of $188/sq ft).