Composite Deck costs $40.58 to $86.22 per sq ft in Allentown in 2026. For a 400 sq ft project, expect $16,230 – $34,490 installed, typically near $25,360. That is essentially in line with the Pennsylvania average.
Allentown composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How Allentown compares with the rest of Pennsylvania
Construction wages in Allentown average $32.49 per hour against $31.93 statewide, so pricing tracks the Pennsylvania 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 Allentown
| Project size | Allentown range | Typical |
|---|---|---|
| 100 sq ft | $4,058 – $8,622 | $6,340 |
| 200 sq ft | $8,115 – $17,245 | $12,680 |
| 300 sq ft | $12,173 – $25,867 | $19,020 |
| 400 sq ft | $16,230 – $34,490 | $25,360 |
| 600 sq ft | $24,346 – $51,734 | $38,040 |
| 800 sq ft | $32,461 – $68,979 | $50,720 |
| 1,000 sq ft | $40,576 – $86,224 | $63,400 |
| 1,500 sq ft | $60,864 – $129,336 | $95,100 |
Where the money goes
For a 400 sq ft project in Allentown at roughly $25,360, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $10,651 |
| Materials | 44% | $11,158 |
| Site prep & equipment | 8% | $2,029 |
| Overhead, disposal & finishing | 6% | $1,522 |
Allentown compared with other Pennsylvania markets
| Area | Cost per sq ft | vs Allentown |
|---|---|---|
| Philadelphia | $41.79 – $88.80 | +3% |
| Pittsburgh | $40.34 – $85.72 | −1% |
| Lancaster | $39.24 – $83.39 | −3% |
| Harrisburg | $40.58 – $86.22 | 0% |
| Pennsylvania average | $40.27 – $85.57 | −1% |
Ground conditions and code in Allentown
Permits in Allentown
A residential permit for this work typically runs around $500 in Pennsylvania. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Allentown building department before work begins.
Hiring in Allentown
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 Pennsylvania.
Frequently asked questions
How much does composite deck cost in Allentown?
In 2026, composite deck costs $40.58 to $86.22 per sq ft in Allentown. For a 400 sq ft project, the installed total typically lands between $16,230 and $34,490.
Is Allentown more expensive than the rest of Pennsylvania?
Not meaningfully. Allentown prices track the Pennsylvania average closely.
Do I need a permit in Allentown?
Most work of this type and value requires a permit. Budget around $500 in Pennsylvania and allow extra time for review in metro jurisdictions.
How do I compare quotes in Allentown?
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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