Fully Licensed & Insured | Emergency Service Available 24/7
About Official Construction
Built on experience, quality, and trust.
Official Construction is your trusted local contractor for roofing, siding, gutters, skylights, and chimney masonry. Based in Suffolk County and proudly serving all of Long Island, we bring over 25 years of experience to every job. Our licensed and insured team delivers honest, high-quality work... whether it’s a small repair or a full replacement. We show up on time, stay on budget, and treat your home with care.
What We Do
Roofing
Professional roof installations, replacements, and leak repairs using quality materials built to last. We handle asphalt, flat, and pitched roofs for homes across Long Island.
Siding
Protect and refresh your exterior with siding repairs and full replacements. We work with vinyl, wood, and other durable options suited for your property.
Gutters
Prevent water damage with seamless gutter installation, repair, and downspout work. Gutter guards also available for low-maintenance protection.
Chimney & Masonry
We specialize in all chimney and masonry work—repointing, flashing, crowns, caps, and full rebuilds. Whether it’s cracked mortar or a leaning stack, we restore structural integrity and prevent future leaks.
Skylights
Skylights
Let in more light without the worry. We install and replace leak-proof skylights with clean finishes that last.
Long Island Roofing & Exterior Construction Services
Official Construction is a trusted roofing and exterior contractor based in Mastic Beach, NY. We proudly serve Suffolk County and surrounding areas including Patchogue, Shirley, Moriches, Bellport, Brookhaven, Center Moriches, East Moriches, Medford, and nearby Long Island communities.
Our services include roof repairs, full roof replacements, shingle and flat roofing, vinyl siding installation and repair, chimney repointing and rebuilds, flashing and masonry repair, skylight replacement, seamless gutter installation, and downspout services. With over 25 years of hands-on experience, we’re known for reliable work, fair pricing, and fast turnaround times.
We are licensed and insured in New York and offer free estimates and 24/7 emergency service to homeowners across Long Island. Whether you need a minor repair or full exterior upgrades, Official Construction delivers quality craftsmanship that lasts.
