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Cost Guide · 2026

How Much Does a Deck Cost in Middletown, NY?

$45–$90 per square foot, installed.

In the Middletown area, most decks run between $45 and $90 per square foot installed. A typical 300 sq ft composite deck lands around $13,500–$27,000. Material (pressure-treated, composite, or PVC), height, railings, and stairs are the biggest cost drivers — here is the breakdown.

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Average Deck Cost in Middletown

OptionTypical Range
Pressure-treated wood$45 – $60 / sq ft
Composite$60 – $80 / sq ft
PVC / premium$80 – $90+ / sq ft
Multi-level / with features$30,000+

Ranges are estimates for planning. Height, railings, lighting, and stairs affect the final price — we provide a free itemized quote.

What Affects the Price

Material

Pressure-treated is cheapest; composite and PVC cost more but need little upkeep.

Size & height

Larger and taller decks need more framing and footings.

Railings & stairs

Railing style and stair runs add material and labor.

Permits

Most attached decks require a permit and inspection, which we handle.

Composite vs Wood: Cost & Value

Composite / PVC

Almost no maintenance
Lasts 25+ years
Higher upfront cost

Pressure-Treated Wood

Lower upfront cost
Needs regular sealing
Shorter lifespan

Why Professional Framing Matters

A deck is a structure — footings, framing, and flashing have to be right for safety and longevity. Thornfield builds to code, handles the permit and inspection, and backs the workmanship for 5 years.

Cost Questions

How Much Does a Deck Cost in Middletown, NY FAQ

Pressure-treated wood is cheaper upfront. Composite costs more initially but needs almost no maintenance and lasts longer, so it is often the better long-term value.

Most decks take 1–3 weeks depending on size, height, and features.

Most attached decks require a permit. We handle the permit and inspection as part of the build.

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Free, itemized estimate — no obligation. We respond within one business day.