Real Work. Real Results.
Greene Group Construction Corp is your local roofing contractor in Sag Harbor, Suffolk County, Long Island, offering roof replacement, storm damage repair, roof leak repair, cedar shake and flat roofing, siding, and full general contracting.
Storm damage or an active roof leak? Call our 24/7 line and we'll get it covered.
📞 (631) 532-7346 — 24/7 Emergency LineGreene Group Construction Corp is the trusted roofing contractor serving Sag Harbor homeowners and businesses. Whether you need a full roof replacement, storm damage repair, or a free inspection, our licensed roofing crews deliver lasting results. We install all major roofing systems including flat roofs, EPDM, and TPO, and cedar shake. Read our guide on how to file a storm damage roof insurance claim on Long Island.
Water, fire, or mold damage in Sag Harbor? That is handled by our restoration division. See water damage restoration in Sag Harbor, NY, plus our fire damage and mold remediation pages.
Greene Group is your full-service general contractor in Sag Harbor — roofing, siding, kitchen remodeling, and bathroom renovations.
10% discount for veterans, active-duty, police, firefighters, and EMS.
0% interest promotional plans, fast approvals, $1,000–$100,000.
