Roofing emergencies and water damage can't wait. Every hour counts — protect your home now.
📞 (631) 532-7346 — Available 24/7Long 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.
Complete roofing installation, repair, and replacement using premium materials with manufacturer warranties — and rapid storm damage response.
Expert siding installation and replacement. Vinyl, fiber cement, and composite siding for Long Island homes. Storm damage repair and insurance claims handled.
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 across Long Island.
Detailed guides on roofing costs, insurance claims, storm damage, and emergency response — all written for Nassau and Suffolk County homeowners.
Water damage, fire damage, mold remediation, and storm damage restoration — IICRC certified, 24/7, all insurance claims handled.
We handle your entire claim — roof damage, water damage, storm, fire. All major carriers. Free claim review.
60-min emergency response for nor'easters, hail, high winds, and fallen trees across Long Island.
Active roof leak, flooding, or storm damage right now? Live dispatcher, 60-minute response, 24/7/365.
Real Long Island pricing for roof replacement, water damage restoration, and mold remediation — no guessing.
Shingle, metal, flat, gutters, repair, replacement — GAF certified installation across Nassau & Suffolk County.
Vinyl, James Hardie fiber cement, and storm damage siding repair for Long Island homes. Free estimates.
What Long Island homeowners actually pay — by home size, material, and pitch. Pricing tables included.
Whether your roof needs replacing or your home has suffered water, fire, or mold damage, Greene Group Construction Corp. 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.
Fully licensed in New York State with comprehensive liability and workers' compensation insurance on every job.
We serve every community in Nassau and Suffolk County — from the Queens border to the East End.
No hidden fees. Detailed, transparent estimates before any work begins. We'll also review your insurance coverage to maximize your claim.
Real drone footage from an actual Long Island roof replacement — this is what your project looks like when you hire us.
Photos from an actual Long Island roof replacement by our crew — tear-off, underlayment, and new architectural shingles.
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 insurance documentation.
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.
"Greene Group Construction Corp. 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 Corp. 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. Greene 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. Greene Group Construction Corp. is our go-to contractor for everything."
Free guides for Long Island homeowners — roof replacement costs, storm damage steps, insurance claims, and more.
Read the Blog →Greene Group Construction Corp. proudly serves every community in Nassau and Suffolk County. Click your town for local service information.
Roof replacement on Long Island typically costs between $9,000 and $18,000 depending on roof size, pitch, and materials. Most Nassau and Suffolk County homes fall in the $11,000–$15,000 range for architectural shingles. See our full Long Island roof replacement cost guide or call (631) 532-7346 for a free estimate.
Yes. We provide 24/7 emergency roofing and damage restoration across Nassau and Suffolk County — 60-minute response for storm damage, active roof leaks, and water damage emergencies. Visit our emergency services page or call (631) 532-7346 any time.
Yes. We handle the entire insurance claim process for roofing, water damage, fire damage, and mold remediation — documentation, adjuster coordination, and all paperwork.
We serve all of Long Island — every community in Nassau County and Suffolk County, from the Queens border to the East End.
Yes. Fully licensed in New York State with comprehensive general liability insurance and workers' compensation on every job. Our technicians hold IICRC certifications and we are a GAF-certified roofing contractor.
All of Nassau & Suffolk County, Long Island, NY
24/7 Emergency Response — Office: Mon–Fri 8am–6pm
