Composite Deck costs $43.14 to $91.68 per sq ft in Anchorage in 2026. For a 400 sq ft project, expect $17,257 – $36,671 installed, typically near $26,964. That is about 2% below the Alaska average.
Anchorage composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
Why Anchorage runs below the Alaska average
Construction wages in Anchorage average $37.30 per hour against $39.06 statewide. Anchorage sits below the Alaska average because the statewide figure is pulled up by higher-wage metros elsewhere in the state.
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 Anchorage
| Project size | Anchorage range | Typical |
|---|---|---|
| 100 sq ft | $4,314 – $9,168 | $6,741 |
| 200 sq ft | $8,629 – $18,336 | $13,482 |
| 300 sq ft | $12,943 – $27,503 | $20,223 |
| 400 sq ft | $17,257 – $36,671 | $26,964 |
| 600 sq ft | $25,886 – $55,007 | $40,446 |
| 800 sq ft | $34,514 – $73,343 | $53,928 |
| 1,000 sq ft | $43,143 – $91,678 | $67,410 |
| 1,500 sq ft | $64,714 – $137,517 | $101,116 |
Where the money goes
For a 400 sq ft project in Anchorage at roughly $26,964, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $11,325 |
| Materials | 44% | $11,864 |
| Site prep & equipment | 8% | $2,157 |
| Overhead, disposal & finishing | 6% | $1,618 |
Anchorage compared with other Alaska markets
| Area | Cost per sq ft | vs Anchorage |
|---|---|---|
| Fairbanks | $44.86 – $95.32 | +4% |
| Alaska average | $44.08 – $93.68 | +2% |
Ground conditions and code in Anchorage
Permits in Anchorage
A residential permit for this work typically runs around $700 in Alaska. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Anchorage building department before work begins.
Hiring in Anchorage
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 Alaska.
Frequently asked questions
How much does composite deck cost in Anchorage?
In 2026, composite deck costs $43.14 to $91.68 per sq ft in Anchorage. For a 400 sq ft project, the installed total typically lands between $17,257 and $36,671.
Is Anchorage more expensive than the rest of Alaska?
No. Anchorage actually runs about 2% below the Alaska average. Local construction wages are $37.30/hr against $39.06/hr statewide.
Do I need a permit in Anchorage?
Most work of this type and value requires a permit. Budget around $700 in Alaska and allow extra time for review in metro jurisdictions.
How do I compare quotes in Anchorage?
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
Open the full composite deck calculator →