Montgomery County Home Building Costs
Building a house in Montgomery County, Maryland costs about $243/sq ft in 2026 — roughly $486,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 1,060,000.
Local Market Factors
- ›DC suburb
- ›Highest costs in state
- ›Strict energy codes
Cost by Home Size in Montgomery County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $89,832 | $121,500 | $165,447 |
| 1,000 sq ft | $179,665 | $243,000 | $330,894 |
| 1,500 sq ft | $269,497 | $364,500 | $496,340 |
| 2,000 sq ft | $359,330 | $486,000 | $661,787 |
| 2,500 sq ft | $449,162 | $607,500 | $827,234 |
| 3,000 sq ft | $538,995 | $729,000 | $992,681 |
| 4,000 sq ft | $718,660 | $972,000 | $1,323,574 |
| 5,000 sq ft | $898,324 | $1,215,000 | $1,654,468 |
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 Maryland state average (which itself is 1.18× the national average of $179/sq ft).
Cost data: HouseBuildCalc Permit Cost Index (876,000+ building permits, 1,700+ ZIP codes), U.S. Census Bureau Survey of Construction, BLS Producer Price Index, NAHB Cost of Constructing a Home (published summaries). County-level multipliers are estimates derived from regional market data. For planning purposes only.