Maine cost guide
Bathroom remodel cost in Maine
In Maine, bathroom remodel prices run close to the national average — whether you're in Portland, Bangor, or Lewiston. Here's what a complete, permitted job should cost, and how to tell whether the quote in your hand is fair.
Typical Maine range
$12,000 – $40,000
Mid-range full remodels commonly land near $250–$550 per sq. ft.
Included at this price: Demo, waterproofing, tile, fixtures, vanity, ventilation, and permits.
Maine prices by project type
| Project | Maine range | Unit check |
|---|---|---|
| Powder room or half bath | $5,000 – $16,000 | Half baths commonly land near $200–$450 per sq. ft. |
| Full bath remodel (same layout) | $12,000 – $35,000 | Mid-range full baths commonly land near $250–$550 per sq. ft. |
| Primary bath or layout change | $25,000 – $80,000 | Primary baths commonly land near $400–$800 per sq. ft. |
| Tub-to-shower conversion | $4,000 – $15,000 | Conversions commonly run $4,000–$12,000 depending on tile and glass. |
Reviewed 2026. Editorial benchmarks from public cost surveys (Zonda Media / Remodeling magazine, Houzz, Angi / HomeAdvisor), adjusted by a state construction-cost index. Not a bid, appraisal, or licensed estimating data.
What a common size costs in Maine
Mid-range full remodel: $250–$550 per sq. ft. of bathroom, adjusted for Maine construction costs.
| Size | Maine estimate |
|---|---|
| 5x8 (40 sq. ft.) | $10,000 – $22,000 |
| 8x10 (80 sq. ft.) | $20,000 – $44,000 |
| 10x12 (120 sq. ft.) | $30,000 – $66,000 |
| 10x15 (150 sq. ft.) | $37,500 – $82,500 |
Per-unit rate from the public cost guides cited above, multiplied by size and the Maine construction-cost index. Access, demolition, repairs, and permits can add to it — this is a benchmark, not a bid.
Red flags in Maine bathroom remodel quotes
- Waterproofing system by name, not just "waterproof the shower"
- Substrate: cement board, foam board, or drywall behind tile
- Tile quantity, layout, and who supplies it
- Exhaust fan CFM and whether it vents outside
- Fixture allowances with real numbers
Commonly missing line items: shower pan and waterproofing membrane details, subfloor repair allowance, ventilation upgrade, niche, bench, and grab-bar blocking, grout sealing and final caulking.
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Related cost guides
Homeowners in Maine can also read and write contractor reviews before choosing who to hire.