Wood Deck costs $25.00 to $50.01 per sq ft in Portland in 2026. For a 400 sq ft project, expect $10,001 – $20,002 installed, typically near $15,002. That is about 2% above the Maine average.
Portland wood deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
Why Portland runs above the Maine average
Construction wages in Portland average $31.43 per hour against $30.12 statewide, so labor-heavy work prices above the Maine norm here.
Labor is about 52% of the installed cost on this type of work, and it is the part that actually moves between markets. Materials are priced by national manufacturers and barely shift, which is why the gap between metros is narrower than wage differences alone suggest.
Wood Deck cost by project size in Portland
| Project size | Portland range | Typical |
|---|---|---|
| 100 sq ft | $2,500 – $5,001 | $3,750 |
| 200 sq ft | $5,001 – $10,001 | $7,501 |
| 300 sq ft | $7,501 – $15,002 | $11,251 |
| 400 sq ft | $10,001 – $20,002 | $15,002 |
| 600 sq ft | $15,002 – $30,004 | $22,503 |
| 800 sq ft | $20,002 – $40,005 | $30,004 |
| 1,000 sq ft | $25,003 – $50,006 | $37,505 |
| 1,500 sq ft | $37,505 – $75,009 | $56,257 |
Where the money goes
For a 400 sq ft project in Portland at roughly $15,002, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 52% | $7,801 |
| Materials | 34% | $5,101 |
| Site prep & equipment | 8% | $1,200 |
| Overhead, disposal & finishing | 6% | $900 |
Portland compared with other Maine markets
| Area | Cost per sq ft | vs Portland |
|---|---|---|
| Southwest Maine nonmetropolitan area | $23.74 – $47.49 | −5% |
| Bangor | $23.37 – $46.74 | −7% |
| Northeast Maine nonmetropolitan area | $23.63 – $47.26 | −5% |
| Lewiston | $24.33 – $48.66 | −3% |
| Maine average | $24.47 – $48.93 | −2% |
Ground conditions and code in Portland
Permits in Portland
A residential permit for this work typically runs around $400 in Maine. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Portland building department before work begins.
Hiring in Portland
Get three written, itemised quotes from licensed and insured contractors, each specifying the same scope and grade of material. Ask for local references and check the licence is current in Maine.
Frequently asked questions
How much does wood deck cost in Portland?
In 2026, wood deck costs $25.00 to $50.01 per sq ft in Portland. For a 400 sq ft project, the installed total typically lands between $10,001 and $20,002.
Is Portland more expensive than the rest of Maine?
Yes. Portland runs about 2% above the Maine average, because local construction wages ($31.43/hr) sit above the statewide figure of $30.12/hr.
Do I need a permit in Portland?
Most work of this type and value requires a permit. Budget around $400 in Maine and allow extra time for review in metro jurisdictions.
How do I compare quotes in Portland?
Get three written, itemised quotes covering identical scope and materials. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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