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 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 is here to help — call or send a quick request. Free estimates, no obligation.
📅 Get a Free EstimateHow 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 and labor as separate line items.
Be cautious of any quote that comes in dramatically below the others. 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.