Portland, ME · 2026 cost guide
How much does new siding cost in Portland?
In Portland, new siding costs about $8,600–$24,000 in 2026 for about 1,500 sq ft of exterior wall, vinyl to fiber cement — roughly $5.41–$16.22 per square foot. That’s about 4% above the Maine average.
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Portland cost breakdown
| Portland typical range | $8,600–$24,000 |
| Portland per square foot | $5.41–$16.22 |
| Maine state average | $8,300–$23,000 |
| Versus Maine average | about 4% above average |
What’s different about Portland
Portland is Maine's largest market with the highest cost of living, where deep snow, ice dams, and coastal salt air drive durable exterior detailing.
- Insulated siding and careful house-wrap detailing add cost in cold climates.
- Salt exposure favors corrosion- and fade-resistant cladding.
How the cost is built
Siding cost is driven by wall area, material (vinyl is the budget option; engineered wood and fiber cement cost more), the number of stories, and trim around windows and doors. Tearing off old siding and repairing sheathing underneath adds to the total.
Frequently asked questions
How much does new siding cost in Portland?
In Portland, new siding costs about $8,600 to $24,000 in 2026 for about 1,500 sq ft of exterior wall, vinyl to fiber cement — roughly 5.41–16.22 per square foot. That's about 4% above the Maine average, reflecting local labor and permit costs.
What affects the cost of new siding in Portland?
Portland is Maine's largest market with the highest cost of living, where deep snow, ice dams, and coastal salt air drive durable exterior detailing. Insulated siding and careful house-wrap detailing add cost in cold climates.
How can I get an accurate siding estimate in Portland?
Use the free Siding Calculator to plug in your real measurements, then collect two or three local Portland quotes to compare. Prices vary by neighborhood, access, and project complexity.
Siding cost in other Maine metros
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Open calculator →The Portland figure scales the Maine cost range by a local metro index, then adjusts for the city’s labor market and climate. A 2026 planning estimate, not a quote — get local bids. See our methodology.