Real Work. Real Results.
Greene Group Construction Corp is your local roofing contractor and restoration specialist in Sag Harbor, Suffolk County, Long Island — offering roof replacement, storm damage repair, water damage restoration, mold remediation, and full general contracting services 24/7.
Water damage, fire damage, or mold discovered? Our crew serves Sag Harbor with a 60-minute response.
📞 (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.
Greene Group Construction provides rapid 24/7 emergency water extraction and complete water damage restoration services in Sag Harbor. See our guide on what to do immediately after water damage.
Greene Group provides complete fire and smoke damage restoration and certified mold remediation in Sag Harbor.
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.
