Roof Replacement in Ronkonkoma, NY

We started J. Great Roofing in 2007, and our owner has over 20 years of experience in the roofing industry. As a locally owned and operated business, we handle both residential and commercial projects with our team of 32 active roofing professionals. We're a GAF certified contractor, which means we can offer lifetime warranties on our roofing products. Over the years, we've completed more than 1,225 projects and installed over 1.3 million square feet of shingles. Our services include roofing, maintenance, and emergency repairs available 24/7. What sets us apart is our focus on fair pricing and reliable workmanship. We understand that keeping costs reasonable while delivering quality results is what builds lasting relationships with our customers. When you work with us, you're working directly with experienced professionals who will make sure the job gets done right.

We've been serving Nassau and Suffolk County since 1961, building trust with Long Island homeowners for over 60 years. As a GAF Timberline certified contractor, we specialize in flat roofing systems and roof repairs, but we handle everything from slate and tile roofs to siding, gutters, and home improvements. Our four offices across Long Island help us keep travel costs down and prices competitive. We're proud to be the highest-reviewed roofing professional on Home Advisor with over 400 reviews and a 4.9/5 rating, plus we've earned consecutive Angie's List Super Service Awards. We focus on solving problems the first time, not just patching things up. Whether you need emergency leak repairs, a complete roof replacement, or insurance claim assistance, we combine six decades of experience with the reliability Long Island families deserve.

We've been serving Long Island homeowners and businesses since 1986, with over 40 years of hands-on roofing experience. Our owner Jeff Nill is a third-generation roofer who was born and raised right here on Long Island and still calls Smithtown home. We take pride in being a local company that truly understands our community. Over the decades, we've completed more than 5,600 successful projects throughout Suffolk County, from residential roof repairs to large commercial installations and even government contracts. Our team consists of certified and licensed roofing professionals who handle everything from leak repairs and flat roofing to skylights and gutters. What sets us apart is our deep local roots and decades of proven results. We back all our work with a 100% satisfaction guarantee because we know our reputation in this community depends on every job we complete.

We've been serving Long Island families since 2006, helping homeowners in Huntington and surrounding areas with everything from quick leak repairs to complete roof replacements. Over the years, we've worked with tens of thousands of families throughout the region, building our reputation on honest assessments and quality work. Our experienced roofers won't try to sell you a new roof if you just need a simple repair. We believe in saving you money by extending your roof's life whenever possible. Whether you have asphalt shingles, metal panels, slate tiles, or flat roofing systems, we work with all materials and explain exactly what needs to be done before we start. We handle both emergency repairs and planned installations, always providing a full report of the work completed. Our goal is to keep your family protected while preventing unnecessary stress and expense.

We started Dennis Adams Contracting in 1991 and have been serving Westchester County and Putnam County with complete contracting and renovation services ever since. Our team of master carpenters handles everything from roofing and siding to masonry and excavation work. As a certified GAF roofer, we offer a lifetime warranty on our roofs. We work with slate, metal, copper, and tile roofing, plus handle fascia and soffit installation. Beyond roofing, we provide full home remodeling services, power washing, custom stonework, and snow removal. We're licensed in Westchester, Putnam, Connecticut, and Yonkers, and we also serve customers in Volusia County, Florida. Our goal is to deliver quality work on time and on budget for every project.

We've been serving The Bronx County and Westchester County since 2014, handling everything from bathroom and kitchen remodeling to roofing, masonry, and drywall work. Our team works on both residential and commercial projects, always focusing on the details that matter to our clients. Over the past 12 years, we've built our reputation on delivering quality work at affordable prices. We're licensed and insured, and we use modern tools to keep projects moving efficiently. Safety comes first on every job site, whether it's a small repair or a complete home renovation. We always aim for 100% customer satisfaction, just like we have been doing for over a decade. Get your free quote today.

We've been serving New York City since 2016, handling everything from gut renovations and new construction to DOB violation resolution across Manhattan, Brooklyn, Queens, Yonkers, Westchester, and The Bronx. Our team specializes in both residential and commercial projects, from single-family homes to multi-unit buildings and high-rise renovations. What sets us apart is our ability to solve complex problems that other contractors avoid. We're fully licensed and NYC-DOB compliant, and we work closely with architects, city inspectors, and property owners to keep projects on track. Whether it's structural work, tenant build-outs, or bringing older buildings up to code, we handle the details so our clients don't have to. Contact us for a free consultation.

We are a professional roofing company serving homeowners and businesses throughout Westchester County and surrounding areas. Our team handles everything from roof repairs and installations to skylight work, chimney services, and emergency roofing needs for both residential and commercial properties. What sets us apart is our focus on annual roof screening to catch small problems before we become major, costly issues. We use professional equipment and materials, and our specialists stay current with the latest roofing techniques to keep your property safe and dry. Free estimates available.

We are NYC Skyline Construction Corp, a construction company serving New York City and the surrounding areas. Our team handles everything from residential renovations to commercial build-outs, focusing on quality workmanship and clear communication throughout every project. We know construction projects can be stressful, so we make sure to keep our clients informed at every step. Our crew shows up on time, keeps job sites clean, and treats your property with respect. We've built our reputation by doing solid work at fair prices. Get in touch for a free estimate.

We're a family-owned roofing company based in Clifton Park, serving Albany and the Capital District for over 20 years. Our team handles both residential and commercial projects, from repairs and inspections to full roof replacements and gutter work. As a GAF Certified Residential Roofing Contractor and Owens Corning Preferred Contractor, we back our work with a 30-year workmanship warranty. We also offer flexible financing options to make quality roofing affordable for homeowners and businesses throughout Albany, Saratoga, Rensselaer, Schenectady, and Warren counties. Our reputation is built on doing the job right and keeping customers satisfied, whether it's a small repair or a complete roof replacement.