Sag Harbor Roofing Co.

Town of East Hampton

Full Roof Replacement in Amagansett, NY

Replacing a roof in Amagansett runs about $530–795 per square for architectural asphalt, $900–1,620 for cedar and $1,050–1,785 for standing seam metal on Long Island in 2026; natural slate is $2,000–3,500 per square nationally. A typical 2,500–4,000 sq ft Amagansett roof is 25–40 squares. Permits here go through the Town of East Hampton. We match you with one licensed, insured roofer who quotes the whole scope in writing.

Last updated · Reviewed by Sag Harbor Roofing Co.

A full roof replacement in Amagansett is a five-figure decision, and the spread between a fair quote and a padded one is wide. We match Amagansett homeowners with one licensed, insured roofer who works the town, and we publish the 2026 Long Island ranges so you can read the quote when it arrives.

Roof replacement in Amagansett: what's different here

In Amagansett the roof lives in open wind and salt. That pushes the right specification toward full ice-and-water coverage, stainless or copper fasteners and flashing, aluminum or copper over steel for any metal, and a covering with a real wind rating. It also pushes labor and material toward the top of the Long Island ranges, which is normal here, not a mark-up.

Houses south of the highway, the Lanes, Bluff Road and Napeague, get full ocean exposure; north of the highway the farm fields and woods are more sheltered. The Napeague stretch is essentially a sandbar. Wind-driven sand and salt abrade finishes and fill gutters faster than anywhere else on the South Fork.

Permits in Amagansett run through the Town of East Hampton Building Department; the roofer we match you with handles the filing where one is required.

How matching works

Tell us about the job once. We match you with one licensed, insured roofer who works Amagansett regularly — not a list of strangers — and they contact you within 1 business day. No bidding war, no spam calls.

FAQ

Roof replacement questions

How much does a roof replacement cost in East Hampton?

In 2026, a full tear-off and replacement on Long Island runs about $530–795 per square (100 sq ft) for architectural asphalt, $900–1,620 for cedar, $1,050–1,785 for standing seam metal and $1,155–1,890 for synthetic slate; natural slate is $2,000–3,500 per square nationally. A typical 2,500–4,000 sq ft East Hampton roof is 25–40 squares, so asphalt lands around $13,250–31,800 and cedar or metal well above that. East Hampton jobs tend to sit at the top of the ranges because of access, roof complexity and material grade.

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How long does a Hamptons roof replacement take?

The work itself is quick: asphalt 1–3 days (one day for a simple roof, two or three for a complex one), cedar 3–6 days, slate 6–10 days, plus weather. The calendar is dominated by what comes before: a permit (2–4 weeks in the Village of East Hampton; a reported 16–20 week backlog in the Town of East Hampton; the Town of Southampton is generally faster), design review in the villages' historic districts, and material lead time, which is longest for cedar, slate and copper. Book a spring roof in winter.

Do I need a permit for a roof replacement in East Hampton?

Usually yes for a tear-off. Across Suffolk County the pattern is that a replacement that goes down to the sheathing needs a building permit, while a shingle-over-shingle recover often does not. In the Village of East Hampton permits typically take 2–4 weeks when the application is complete; the Town of East Hampton (Springs, Wainscott, Amagansett, Montauk, Northwest) has reported a backlog of 16–20 weeks against a statutory 15-day clock. In the village's four historic districts, a visible change of roof material also needs a Certificate of Appropriateness; a new wood-shingle roof is exempt. Confirm with the building department before ordering material.

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When should I replace my Hamptons roof?

By age and evidence together. Architectural asphalt is usually done at 20–30 years, cedar at 20–40, EPDM or TPO at 20–30, standing seam at 40–70+, slate rarely (hard slate 75–200 years; restore it instead). Replace sooner if you see widespread curling or cupping, granules or shakes in the gutters, daylight in the attic, repeated leaks at different spots, or a second layer already on the roof. Insurers also start asking questions at 15–20 years, and some will not renew without an inspection or replacement.

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