Wood Deck costs $28.30 to $56.59 per sq ft in Trenton in 2026. For a 400 sq ft project, expect $11,319 – $22,638 installed, typically near $16,978. That is about 5% above the New Jersey state average.
Trenton wood deck cost calculator
Planning estimate only. State pricing applies a construction wage index to the labor share; materials are held at national prices. Get three written quotes before committing.
Why Trenton costs more than the rest of New Jersey
Trenton carries roughly a 5% premium over the New Jersey statewide figure. Three things drive that gap. Metro wages run above the state average, and labor is about 52% of this bill. Permitting and inspection are slower and more expensive inside city limits. And site access is tighter, which means smaller equipment, more hand work, and sometimes street permits for deliveries.
Statewide, New Jersey averages $26.95 to $53.90 per sq ft, against $28.30 to $56.59 inside Trenton. Suburbs on the metro fringe usually fall between the two.
Wood Deck cost by project size in Trenton
| Project size | Trenton range | Typical |
|---|---|---|
| 10×10 (100 sq ft) | $2,830 – $5,659 | $4,245 |
| 12×12 (144 sq ft) | $4,075 – $8,150 | $6,112 |
| 12×16 (192 sq ft) | $5,433 – $10,866 | $8,150 |
| 12×20 (240 sq ft) | $6,791 – $13,583 | $10,187 |
| 16×20 (320 sq ft) | $9,055 – $18,110 | $13,583 |
| 20×20 (400 sq ft) | $11,319 – $22,638 | $16,978 |
Trenton compared with other New Jersey markets
| Area | Cost per sq ft | vs Trenton |
|---|---|---|
| Newark | $30.18 – $60.37 | +7% |
| Jersey City | $31.26 – $62.52 | +10% |
| New Jersey average | $26.95 – $53.90 | −5% |
Ground conditions and code in Trenton
Permits in Trenton
A residential permit for this work typically runs around $650 in New Jersey, and metro jurisdictions like Trenton usually sit at the upper end of that range with longer review times. Permit cost is rarely included in a contractor quote, so add it separately. Confirm scope with the Trenton building department before work begins.
Hiring in Trenton
Get three written, itemised quotes from licensed and insured contractors, and make sure each specifies the same dimensions and the same grade of material. In a metro market, the cheapest bid often reflects a thinner specification or a crew travelling in from outside the area rather than a genuine saving. Ask for local references and check that the licence is current in New Jersey.
Frequently asked questions
How much does wood deck cost in Trenton?
In 2026, wood deck costs $28.30 to $56.59 per sq ft in Trenton. For a 400 sq ft project, the installed total typically lands between $11,319 and $22,638.
Is Trenton more expensive than the rest of New Jersey?
Yes. Trenton runs about 5% above the New Jersey statewide average, driven by metro wage levels, permitting, and tighter site access.
Do I need a permit in Trenton?
Most work of this type and value requires a permit. Budget around $650 and allow extra time for review, since metro jurisdictions are typically slower than rural ones.
How do I compare quotes in Trenton?
Insist on three written, itemised quotes covering identical dimensions, materials, and scope of preparation. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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