Composite Deck costs $44.24 to $94.01 per sq ft in Bellingham in 2026. For a 400 sq ft project, expect $17,696 – $37,605 installed, typically near $27,651. That is essentially in line with the Washington average.
Bellingham composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How Bellingham compares with the rest of Washington
Construction wages in Bellingham average $39.38 per hour against $39.60 statewide, so pricing tracks the Washington norm closely.
Labor is about 42% 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.
Composite Deck cost by project size in Bellingham
| Project size | Bellingham range | Typical |
|---|---|---|
| 100 sq ft | $4,424 – $9,401 | $6,913 |
| 200 sq ft | $8,848 – $18,802 | $13,825 |
| 300 sq ft | $13,272 – $28,204 | $20,738 |
| 400 sq ft | $17,696 – $37,605 | $27,651 |
| 600 sq ft | $26,545 – $56,407 | $41,476 |
| 800 sq ft | $35,393 – $75,210 | $55,301 |
| 1,000 sq ft | $44,241 – $94,012 | $69,127 |
| 1,500 sq ft | $66,361 – $141,018 | $103,690 |
Where the money goes
For a 400 sq ft project in Bellingham at roughly $27,651, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $11,613 |
| Materials | 44% | $12,166 |
| Site prep & equipment | 8% | $2,212 |
| Overhead, disposal & finishing | 6% | $1,659 |
Bellingham compared with other Washington markets
| Area | Cost per sq ft | vs Bellingham |
|---|---|---|
| Seattle | $45.70 – $97.12 | +3% |
| Spokane | $41.64 – $88.48 | −6% |
| Kennewick | $44.54 – $94.64 | +1% |
| Bremerton | $43.63 – $92.71 | −1% |
| Washington average | $44.37 – $94.28 | 0% |
Ground conditions and code in Bellingham
Permits in Bellingham
A residential permit for this work typically runs around $700 in Washington. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Bellingham building department before work begins.
Hiring in Bellingham
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 Washington.
Frequently asked questions
How much does composite deck cost in Bellingham?
In 2026, composite deck costs $44.24 to $94.01 per sq ft in Bellingham. For a 400 sq ft project, the installed total typically lands between $17,696 and $37,605.
Is Bellingham more expensive than the rest of Washington?
Not meaningfully. Bellingham prices track the Washington average closely.
Do I need a permit in Bellingham?
Most work of this type and value requires a permit. Budget around $700 in Washington and allow extra time for review in metro jurisdictions.
How do I compare quotes in Bellingham?
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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