A-1 Roofing & Siding of Long Island A-1 Roofing & Siding of Long Island A-1 Roofing & Siding of Long Island A-1 Roofing & Siding of Long Island A-1 Roofing & Siding of Long Island
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Welcome to A-1 Roofing & Siding of Long Island

Our family has been in the roofing and siding business here on Long Island for over 30 years. After working in this area for more than three decades, we have the knowledge and experience to expertly handle any type of project. Our clients include owners of residential homes, commercial buildings, as well as apartment and co-op communities throughout the Long Island region.  We insist on welcoming any job size; whether you need a minor repair or an extensive new installation, we’ll be pleased to do the work for you.

Our expansive expertise is not only in roofing, siding, and repairs.  We are superior craftsmen when it comes to installation of energy efficient of windows, skylights, gutters, leaders, and chimney flashing or repairs.  Every project we touch comes with a 100% guarantee of satisfaction and warranty of labor/material. For every potential client, we provide a free, no-obligation inspection and a written estimate. Our clients become life-long friends, as they know we are an organization that is trust worthy and reliable.  We have spectacular, personal and A+ reviews on Angie's List. We have been consecutively awarded the “Super Service Contractor” award for years on Angie’s List as well.

When you call A-1 Roofing & Siding, you will know that you’re conversing with a company who is personable and knowledgeable.  We have serviced Long Island for over 30 years and our reputation speaks for itself.  You can feel confident that you are choosing a company who will treat you as they would like to be treated.  We are honest, straightforward and there are no gimmicks or high-pressure sales. We’re able to offer competitive prices because we do not hire subcontractors or  outside salespeople. Instead, we keep our business in the family; this way, our overhead costs stay low and we’re able to pass those savings on to you.

Please give us a call today at (631) 928-1826; we will be happy to assist you and discuss your plans about your project needs.


Who We Are

A-1 Roofing and Siding of L.I. Corporation was founded in 1981 and has always been owned and operated by the same family. We install and repair roofing, siding, windows, gutters, chimneys and more, throughout all of Long Island.  Better Business Bureau gives us an A+ rating, and we have excellent reviews on Angie’s List. Check out our FAQ and About pages for answers to all your questions.

A-1 Roofing & Siding of Long Island What We Do

We are available to service any home or commercial building in Nassau or Suffolk counties. We offer 0% financing with no down payment or deposit, and we won’t even accept your money until the job is complete! We have our own dump trucks, so there is no need to have dumpsters sitting in front of your house or on your driveway.  We remove all debris and leave your home/property exactly how it was before we started work. 




A-1 Roofing & Siding of Long Island
Mount Sinai, NY


Architectural roof installation, vinyl cedar impression shake siding and vinyl raised panel shutters

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A-1 Roofing & Siding of Long Island
Cold Spring Harbor, NY


Architectural roof installation

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Contact Us

A-1 Roofing & Siding of L.I. Corp.

Mount Sinai, NY
(631) 928-1826
Commack, NY
(631) 499-0299

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