How much does deck building cost in Long Island, NY?

Most Long Island homeowners spend between $5,700 – $15,600 on deck building, with an average around $10,400. Local labor prices 30% above the national average, so Long Island quotes tend to land at the higher end of national ranges.

Why is deck building more or less expensive in Long Island than elsewhere?

Nassau and Suffolk crews are busy year round with premium suburban pricing. Coastal wind zones and nor easters affect roofing and siding.

Do I need a permit for deck building in Long Island, New York?

Town-level permits vary widely and can be slow. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Long Island?

Get at least three written quotes from licensed, insured New York contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the New York City market.

How much does a deck cost per square foot?

$15 to $80 per square foot installed. Pressure-treated pine runs $15–$35, composite $30–$60 and tropical hardwood $40–$80.

Is composite decking worth it?

Composite costs roughly twice as much upfront but eliminates staining every two to three years, so it typically wins over a 15+ year hold.

Do I need a permit for a deck?

Almost always if the deck is attached to the house or more than 30 inches above grade. Permits run $150 to $800.

How long does deck construction take?

One to two weeks for a standard deck, plus permit review time before the crew starts.

Does a deck add value to my home?

A wood deck addition typically returns 50% to 65% of its cost at resale, and it is one of the most-requested outdoor features in listings.

What is the cheapest way to build a deck?

Keep it rectangular, ground level and under 200 square feet, frame and surface it in pressure-treated pine, and skip railing, stairs and picture framing.

Home/Cost guides/Deck Building/Long Island, NY

New York City · New York

Deck Building cost in Long Island, NY

Long Island homeowners typically pay $5,700 – $15,600 for deck building. Local labor and materials price 30% above the national average.

Get my Long Island estimate Use the Long Island calculator

Long Island average

$10,400

Typical low

$5,700

Typical high

$15,600

Per square foot

$20 – $105

Sample ZIP

11530

What drives Long Island pricing

Local labor

Nassau and Suffolk crews are busy year round with premium suburban pricing.

Permits & code

Town-level permits vary widely and can be slow.

Climate & conditions

Coastal wind zones and nor easters affect roofing and siding.

Instant cost calculator

Adjust the inputs to see live pricing

Deck size350 square feet

Decking material

Height above grade

Railing

Shape

Estimated project cost

$7,000 – $16,100

Most homeowners pay around $11,550

Compare decking material

Cost by material in Long Island

Installed Long Island pricing per square foot.

Option	Installed cost	Pros	Cons
Pressure-treated pine	$20 – $46	Cheapest framing and surface option	Needs sealing every 2-3 years; can warp
Cedar	$33 – $59	Naturally rot resistant, ages well	Soft surface, annual maintenance
Redwood	$39 – $65	Rich color, stable	Limited supply outside the West
Composite (Trex, TimberTech)	$39 – $78	No staining, 25-year warranties	Gets hot in sun, higher upfront
PVC / cellular vinyl	$46 – $91	Fully waterproof, lightest maintenance	Most expensive mainstream option
Tropical hardwood (ipe, cumaru)	$52 – $105	Extremely durable, premium look	Hard to cut, needs oiling to keep color
Aluminum	$59 – $115	Will not rot, rust or burn	Industrial look, noisy underfoot

Where the money goes in Long Island

A typical $10,400 Long Island project, broken down by line item.

Decking & railing material45% · $4,680
Labor35% · $3,640
Framing, footings & hardware15% · $1,560
Permits & disposal5% · $520

Common add-ons

Extras that show up on Long Island quotes but rarely in the headline price.

Stairs

Per step

$130 – $325

Built-in bench seating

$780 – $3,250

Pergola or shade structure

$3,250 – $11,700

Under-deck drainage

$1,950 – $6,500

Deck lighting

$520 – $3,250

Old deck demolition

Per square foot

$7 – $20

Permit

$195 – $1,050

Ways to save in Long Island

Keep the deck rectangular and under 200 sq ft where codes ease off.
Frame with pressure-treated lumber and spend only on the visible deck surface.
Build ground level — every foot of elevation adds framing, footings and railing.
Schedule in fall when builders discount to keep crews busy.
Skip fascia wraps and picture framing details that add labor with no structural value.

Long Island FAQs

Get a Long Island price you can budget against

Answer a few questions about your project and we'll model a low, average and premium price for your NY ZIP code — then connect you with vetted local pros.

Get deck quotes

More Long Island research

Best deck building companies in Long Island Deck Building permits in New York Deck Building near me All New York prices

Deck Building cost near Long Island

Deck Building cost in New York, NY

$6,226 – $17,040

Deck Building cost in Brooklyn, NY

$6,051 – $16,560

Deck Building cost in Queens, NY

$5,832 – $15,960

Deck Building cost in Bronx, NY

$5,744 – $15,720

Deck Building cost in Staten Island, NY

$5,700 – $15,600

Deck Building cost in Yonkers, NY

$5,656 – $15,480

More New York cities

Buffalo Rochester Albany Manhattan Syracuse White Plains

Other project costs in Long Island

Fence Installation in Long Island

$1,950 – $5,200

Roof Replacement in Long Island

$11,050 – $44,200

Kitchen Remodel in Long Island

$23,400 – $123,500

HVAC Replacement in Long Island

$7,150 – $23,400

Window Replacement in Long Island

$585 – $1,950

Bathroom Remodel in Long Island

$8,450 – $49,400

See every Long Island cost guide