Cumberland County Home Building Costs
Building a house in Cumberland County, Maine costs about $207/sq ft in 2026 — roughly $414,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 310,000.
Local Market Factors
- ›Portland area
- ›Most expensive in state
- ›Cold climate construction requirements
Cost by Home Size in Cumberland County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $76,524 | $103,500 | $140,936 |
| 1,000 sq ft | $153,048 | $207,000 | $281,872 |
| 1,500 sq ft | $229,572 | $310,500 | $422,809 |
| 2,000 sq ft | $306,096 | $414,000 | $563,745 |
| 2,500 sq ft | $382,620 | $517,500 | $704,681 |
| 3,000 sq ft | $459,144 | $621,000 | $845,617 |
| 4,000 sq ft | $612,191 | $828,000 | $1,127,489 |
| 5,000 sq ft | $765,239 | $1,035,000 | $1,409,362 |
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 1.10× applied to Maine state average (which itself is 1.05× 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.