Renovating in Falmouth, ME
Falmouth prices at the top of the Greater Portland range. The work here skews toward higher finish levels and larger scopes, and the contractors who dominate the market price accordingly — the multiplier reflects the market, not a harder job.
Typical Falmouth project costs
| Project | Low | Likely | High |
|---|---|---|---|
| Kitchen remodel150 sq ft, mid-range finish | $50k | $68k | $90k |
| Bathroom remodel60 sq ft, mid-range finish | $25k | $34k | $47k |
| Roof replacement1,600 sq ft, mid-range finish | $81k | $135k | $216k |
| Home addition400 sq ft, mid-range finish | $132k | $180k | $240k |
| Basement finishing600 sq ft, mid-range finish | $40k | $61k | $90k |
| Whole-home renovation1,600 sq ft, mid-range finish | $250k | $346k | $480k |
| Deck building300 sq ft, mid-range finish | $16k | $27k | $43k |
| Siding replacement1,800 sq ft, mid-range finish | $81k | $135k | $216k |
| Garage addition480 sq ft, mid-range finish | $158k | $216k | $288k |
| Sunroom addition200 sq ft, mid-range finish | $66k | $90k | $120k |
Maine regional index with a 1.07× Falmouth metro factor, 10% contingency included. Budgeting estimates, not quotes.
Estimated range — based on BLS OEWS national average wages and BLS PPI material indexes applied to Our Haus baseline unit costs, as of June 2026. Estimates are shown as a range and help set expectations. They are not a quote, a verified price, or an appraisal of what a contractor will charge.
Housing stock and what it means for cost
Large colonials and contemporaries from the 1970s onward inland, older waterfront and Foreside homes along Route 88, and a steady flow of substantial renovations to 1980s–1990s houses. Waterfront properties carry shoreland and septic constraints that shape what an addition can even be.
Neighborhoods: Falmouth Foreside, West Falmouth, Pleasant Hill, Underwood, Route 1 corridor.
Permits and contract rules
Authority: Town of Falmouth Community Development / Code Enforcement
Building permit plus zoning review for additions and structural work. Shoreland zoning along Casco Bay and the Presumpscot limits setbacks and expansion, and properties on septic need a licensed site evaluator's sign-off before bedroom counts change. Both steps add weeks at the front of a schedule.
Maine requires a written contract for home-construction or repair work over $3,000. The contract must include the contractor's name and address, the work and materials, the total price, a payment schedule, start and completion dates, a warranty statement, and notice of the state's contractor-dispute mediation program. Maine does not license general contractors, so verify insurance directly with the carrier.
Season and scheduling
Exterior and foundation work runs April through October. High-finish interior projects often run through the winter here, which makes late-fall starts easier to book than spring ones.
Check a Falmouth quote