Roofing emergencies and water damage can't wait. Every hour counts — protect your home now.
📞 (631) 532-7346 — Available 24/7Real drone footage from an actual Long Island roof replacement — this is what your project looks like when you hire us.
Long Island's only company combining expert roofing with full-spectrum damage restoration — from new roof installations and storm repairs to emergency water, fire, and mold remediation. One trusted team for everything your home needs.
Fast emergency water extraction, structural drying, and complete restoration. We handle burst pipes, flooding, sewage backups, and storm damage.
Complete fire and smoke damage restoration — from emergency board-up and tarping to full structural rebuild and odor elimination.
Professional mold inspection, testing, and complete remediation. We eliminate mold at the source and prevent future growth to protect your family's health.
Complete roofing installation, repair, and replacement. Residential and commercial roofing using premium materials with manufacturer warranties — and rapid storm damage response.
Expert siding installation and replacement. Vinyl, fiber cement, wood, and composite siding to protect and beautify your Long Island home.
Transform your kitchen with custom cabinetry, countertops, flooring, and full layout redesigns. From minor updates to complete gut renovations.
Complete bathroom renovations including tile work, fixture installation, vanities, walk-in showers, and full bathroom additions.
Structural framing, additions, interior build-outs, and complete general contracting services for residential projects across Long Island.
Whether your roof needs replacing or your home has suffered water, fire, or mold damage, Greene Group Construction delivers rapid response, expert craftsmanship, and total peace of mind.
Water damage doesn't wait and neither do we. Our crews are deployed across Long Island for the fastest possible response time, 24/7/365.
We work directly with all major insurance companies. Our team handles the paperwork, documentation, and adjuster communication so you don't have to.
Our water damage and mold technicians hold industry-leading IICRC certifications, ensuring your restoration meets the highest professional standards.
Greene Group Construction is fully licensed in New York State and carries comprehensive liability and workers' compensation insurance for your protection.
We serve every community in Nassau and Suffolk County — from Queens border to the East End — with local crews ready to respond fast.
No hidden fees. We provide detailed, transparent estimates before any work begins. We'll also review your insurance coverage to maximize your claim.
We follow a proven, systematic approach to every restoration project — ensuring nothing is missed and your home is fully restored.
Call us 24/7 at (631) 532-7346. Our dispatcher will guide you on immediate steps while dispatching a crew to your location.
Our certified technicians arrive quickly and perform a thorough damage assessment, including moisture readings and documentation for insurance.
We immediately stop further damage — water extraction, board-up, tarping, containment — to protect your home and belongings.
Industrial-grade equipment removes all moisture. We monitor drying progress daily and address any mold or air quality concerns.
Once dry and clean, we rebuild — from drywall and flooring to complete kitchen or bathroom renovations — restoring your home to pre-loss condition.
"Green Group responded to our flooded basement within an hour. Their crew was professional, thorough, and handled everything with our insurance company. Couldn't ask for better service."
"After a kitchen fire, Greene Group Construction handled the smoke damage cleanup and full rebuild. They were transparent throughout the process and the result is beautiful. Highly recommend."
"We had a serious black mold problem in our attic. Green Group was thorough, professional, and the post-remediation air test came back clean. Our family breathes easier now."
"New roof and siding — done on time and under budget. The crew was clean, efficient, and the work is exceptional. Green Group is our go-to contractor for everything."
We've answered the 27 most common questions about roofing, water damage restoration, and fire & smoke damage — so you know exactly what to expect before you call.
Free guides for Long Island homeowners — roof replacement costs, storm damage steps, insurance claims, and more.
Read the Blog →Greene Group Construction proudly serves every community in Nassau and Suffolk County. Click your town for local service information.
All of Nassau & Suffolk County, Long Island, NY
24/7 Emergency Response — Office: Mon–Fri 8am–6pm
