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GNP Roofing & SidingRoofer in Hampton Bays, NY

GNP Roofing & Siding is a roofer at 241 County Rd 39A Unit 1, Suite C, Southampton, NY 11968, ranked #26 of 263 siding contractors in Hampton Bays and rated 5.0 from 12 Google reviews. Open 7 days a week.

Hampton Bays, NYUpdated 0 paid placements in any rankingHow we rank

Call (516) 715-5761Website ↗

Key facts

Key facts about GNP Roofing & Siding
Address241 County Rd 39A Unit 1, Suite C, Southampton, NY 11968, Hampton Bays, NYGet directions
Phone(516) 715-5761
Websitegnpli.com
HoursMonday to Sunday: 7 AM – 8 PM
Google rating5.0 from 12 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Roofingmain tradeGoogle main category
  • Sidingbusiness name

Service area

Serves Hampton Bays and 11 towns within 40 miles: Southold, Riverhead, Springs, Calverton, East Moriches, Manorville, Center Moriches, Wading River, Mastic, East Shoreham and Mastic Beach.

Based in Hampton Bays, NYView on map

Opening hours

Opening hours for GNP Roofing & Siding
DayHours
Monday7 AM – 8 PMevening
Tuesday7 AM – 8 PMevening
Wednesday7 AM – 8 PMevening
Thursday7 AM – 8 PMevening
Friday7 AM – 8 PMevening
Saturday7 AM – 8 PMevening
Sunday7 AM – 8 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical roofing prices

Typical roofing prices
JobLowTypicalHigh
Roof replacementPer project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.17 Middle Atlantic factor (2025 Cost vs. Value Report)$8,750$11,670$16,340
Roof repairPer repair: typical range of customer-reported jobs. US national range$395$1,174$1,968

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby roofers

GNP Roofing & Siding compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
GNP Roofing & Siding (this business)—545.0 (12)—YesYes
Payless Roofing & Gutters Inc.#24544.9 (145)—YesYes25.4 mi
Universal Roofing & Chimney Of Li Inc.#25544.9 (372)—YesYes34.2 mi
Done Right Roofing & Chimney Southampton NY#27545.0 (36)—YesYes1.4 mi

See all 263 ranked siding contractors in Hampton Bays

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 12 Google reviews

Hired GNP Roofing & Siding? Write a review

Questions about GNP Roofing & Siding

How is GNP Roofing & Siding ranked in Hampton Bays?

GNP Roofing & Siding is ranked #26 of 263 siding contractors in Hampton Bays by CR Score, with 54 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are GNP Roofing & Siding’s hours?

GNP Roofing & Siding is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 8 PM. On Saturdays it is open 7 AM to 8 PM, and on Sundays 7 AM to 8 PM. Hours come from the business listing; holiday hours may differ.

What areas does GNP Roofing & Siding serve?

Serves Hampton Bays and 11 towns within 40 miles: Southold, Riverhead, Springs, Calverton, East Moriches, Manorville, Center Moriches, Wading River, Mastic, East Shoreham and Mastic Beach. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

What do Google reviews say about GNP Roofing & Siding?

GNP Roofing & Siding has a rating of 5.0 from 12 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact GNP Roofing & Siding?

Call GNP Roofing & Siding on (516) 715-5761. The business is at 241 County Rd 39A Unit 1, Suite C, Southampton, NY 11968, Hampton Bays, NY. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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