How much does it cost to build in Portland, ME? (2026)
Construction in the Greater Portland area runs about 5% higher than the national average (cost index 1.05). Here are 2026 ballpark ranges for common projects, scaled to Portland pricing.
| Project type | Portland range (2026) |
|---|---|
| New custom single-family home mid-range finishes; land not included | $165–$233/sq ft |
| Accessory dwelling unit (ADU) higher per-foot cost at small scale | $232–$328/sq ft |
| Whole-home renovation varies widely with scope | $129–$183/sq ft |
| Commercial tenant improvement shell condition dependent | $107–$151/sq ft |
| Kitchen remodel (mid-range) typical 150–200 sq ft kitchen | $24,990–$35,280 total |
Illustrative 2026 ranges, national baselines scaled by the Portland regional cost index. Real pricing depends on finishes, site conditions, design, and current material prices — always price actual plans.
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A new mid-range custom home in Portland runs roughly $165–$233 per square foot in 2026, before land, based on Greater Portland construction costs running about 5% higher than the national average. Actual pricing depends on finishes, site work, and design.
Local labor rates, material availability, permitting, and code requirements all move the number. Portland sits at a 1.05× cost index versus the U.S. average, so plan and estimate to local pricing — not a national rule of thumb.
Have a contractor price your actual plans. CMDBLD reads a plan set and produces a code-aware, Portland-priced estimate in minutes, then learns from real job costs so it stays accurate over time.