Maine · pricing reviewed 2026
How much does it cost to replace a roof in Maine?
| Squares | Roof surface | Replacement | If it qualifies: rejuvenation |
|---|---|---|---|
| 15 | 1,500 sq ft | $8,500 – $16,000 | $2,900 – $5,000 |
| 20 | 2,000 sq ft | $11,000 – $21,000 | $3,800 – $7,000 |
| 25 | 2,500 sq ft | $14,000 – $26,000 | $4,800 – $8,500 |
| 30 | 3,000 sq ft | $16,500 – $32,000 | $5,500 – $10,000 |
| 35 | 3,500 sq ft | $19,500 – $37,000 | $6,500 – $12,000 |
| 40 | 4,000 sq ft | $22,000 – $42,000 | $7,500 – $13,500 |
| 45 | 4,500 sq ft | $25,000 – $47,000 | $8,500 – $15,500 |
| 50 | 5,000 sq ft | $28,000 – $53,000 | $9,500 – $17,000 |
Roof Vital reviews regional pricing annually. Where a figure is shown as a placeholder, verified regional data has not yet been entered.
Figures on this page are planning ranges, not a contractor quote. Actual pricing depends on an on-site measurement of your roof.
What drives roof replacement cost in Maine
- Cost per roofing square. The working unit. Everything else is a modifier on it.
- Roof size. Measured in actual roof surface, not living area.
- Labor. Maine's roofing season is compressed. Crew availability from late spring through fall drives pricing more than most homeowners expect, and winter work carries a premium when it's possible at all.
- Tear-off and disposal. Roughly $60 – $140 per square, doubled or tripled where multiple layers exist — common in older Portland, Lewiston and Biddeford housing.
- Roof decking. Board sheathing on older Maine homes sometimes needs partial replacement, at roughly $90 – $190 per sheet.
- Ice and water protection. Not optional here. Eaves, valleys and penetrations need membrane coverage sized for ice-dam conditions, and coverage depth beyond code minimums is a real line item.
- Pitch. Steep coastal and historic roofs require staging.
- Snow-climate detailing. Drip edge, valley detailing, snow-retention hardware over entries and walkways where appropriate.
- Chimneys and skylights. Masonry chimneys are common on older Maine housing and each needs full step and counter flashing.
- Ventilation. Undersized intake ventilation is widespread in Maine's older housing stock, and correcting it during a re-roof is money well spent.
- Multiple roofing layers. A second or third layer changes both the tear-off cost and the decking risk.
- Accessibility. Dense peninsula and mill-city streets limit where a dumpster and delivery can sit.
- Architectural complexity. Dormers, valleys and hips on Maine's older housing add waste and flashing detail.
Regional variation inside Maine
Greater Portland and the Midcoast generally price above inland Androscoggin and Oxford County markets, driven by labor demand and access rather than materials. Coastal projects can add wind-rated fastening requirements.
Online estimates are not contractor quotes
The figures on this page are planning ranges intended to tell you roughly what scale of project you're looking at. A real quote comes from a measured roof and an inspection of the decking, flashing and ventilation.
Before replacing your Maine roof, see if it qualifies for rejuvenation
If the assessment finds rot, ice-dam damage at the eaves, or shingles past their service life, replacement is the right answer and the numbers above apply. If it finds aging but sound shingles over intact decking, there may be a third option worth pricing first.
Structural failure or severe damage
Rotting decking, widespread missing shingles, or a roof that has structurally failed. Replacement may be necessary, and we will say so.
Localized, repairable damage
Flashing, a run of lifted shingles, a contained leak. Targeted roof repair may be the appropriate and cheaper answer.
Aging shingles on a sound roof
Dry, stiffening asphalt shingles over intact decking with no major leaks. This is the condition we evaluate for rejuvenation.
Check my roof
A free assessment tells you which of the three paths fits your roof — including when rejuvenation is not appropriate.