About Alpha Windows & Siding
Alpha Windows & Siding in Greenvale serves Nassau, Suffolk and Queens counties on Long Island with replacement windows, siding, roofing, stone and patio doors. Vinyl windows and vinyl siding are its core products, with siding styles such as clapboard, Dutch lap, hand-split shakes, scallops and shake shingles, and roofing installation is offered alongside. Alpha is a direct source for building products. Customers get a free in-home consultation, extensive warranties, and 0% APR and 100% financing. Rated 4.7 from 17 Google reviews, 15 of them five stars, 1 four stars and 1 one star.
Services and details
Roofing work
YesFinancing
YesWarranty
Yes
No information yet on leak repair, emergency service, storm damage repair, helps with insurance claims, commercial roofing, flat roofs, asphalt shingles, metal roofing, slate roofing, gutters, states a contractor license, manufacturer certified. The website did not say; call and ask.
Contact
- (516) 399-2090
- 71 Glen Cove Rd, Greenvale, NY 11548
- Website
- View on Google Maps
Listing compiled from public sources on 2026-11-11. Report a correction or request removal. Back to roofers in Glen Cove.