Cost to Build a House in Portland, Maine (2026)
A 2,000 sq ft mid-range home in Portland costs approximately $363,058–$462,074, or $217/sq ft. Portland runs 10% above the Maine average.
Estimated Build Cost in Maine
Range: $330,053 – $420,067
Configure Your Build
Upgraded finishes, quality materials
Mid-Range Finish Includes
- • Quartz countertops
- • Hardwood floors
- • Semi-custom cabinets
- • Upgraded fixtures
Line-Item Estimate
* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.
Building in Portland: What to Know
- →Booming coastal market
- →Limited contractor availability
- →Very deep frost line
Cost by Size in Portland
About Construction Costs in Portland
Building a new home in Portland, Maine in 2026 costs approximately $217 per square foot for mid-range construction — putting a 2,000 sq ft home at roughly $412,566 for the structure alone (excluding land). Portland is 10% more expensive than the Maine state average, driven by local labor market conditions and construction demand.
Maine as a whole has a cost multiplier of 1.05× the national average. Combined with Portland's local adjustment of 1.1×, the effective multiplier for this city is 1.16× the national baseline.
These estimates cover construction costs only and do not include land, which varies significantly in Portland. Always obtain bids from at least 2–3 licensed general contractors in the area for an accurate project budget.