Ossining is our home base — 11 Croton St is where we operate from, and we've built more decks in Ossining than anywhere else in Westchester. Here's exactly what you can expect to pay.
Ossining Deck Pricing (2026)
| Deck Size | Pressure-Treated | Composite |
|---|---|---|
| 10×12 (120 sq ft) | $7,500–$11,000 | $11,000–$16,000 |
| 12×16 (192 sq ft) | $10,000–$16,000 | $16,000–$24,000 |
| 16×20 (320 sq ft) | $16,000–$24,000 | $24,000–$36,000 |
| 20×24 (480 sq ft) | $22,000–$34,000 | $34,000–$50,000 |
Prices include Town of Ossining permit, all footings, framing, decking, aluminum railing, and one stair run. Grade-level decks are at the lower end; elevated decks with complex framing at the upper end.
Questions? Westchester Home Improvements handles everything for you — permits, drawings, construction. Free estimates, no obligation.
📅 Get a Free EstimateOssining Permit Process
We submit to the Town of Ossining Building Department regularly. For standard residential decks, plan review typically takes 2-3 weeks. We prepare complete packages on the first submission to avoid delays.
Why Local Matters
Working with a contractor who knows the Ossining building department means faster approvals, accurate permit applications on the first try, and someone who knows the specific quirks of the local review process. We've submitted dozens of permits here — it shows.
How We Build Your Quote
No two homes in Westchester are identical, and neither are two estimates. The final price depends on the condition of what's already there, the materials you choose, how easily we can access the work area, and any surprises hidden behind walls or beneath surfaces. That's why a real estimate means coming to your property, measuring carefully, and assessing the actual conditions rather than quoting a generic per-square-foot rate over the phone. You receive a written, itemized quote that shows materials, labor, and permits as separate line items.
Be cautious of any quote that comes in dramatically below the others. In this market, a price that seems too good usually is — it often reflects cheaper materials, a crew without proper licensing or insurance, or an intention to raise the price through change orders after work starts. Comparing quotes line by line, rather than by the total alone, is the best way to understand what you're actually paying for.
Transparent Pricing, No Surprises
When you can see each cost broken out, you stay in control of your budget. You can decide where a different material grade saves money without sacrificing quality, and where spending a little more genuinely pays off. Itemized quotes also prevent the most common source of friction between homeowners and contractors: unexpected charges at the end. Our estimates are always free, always in person, and always itemized.