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Windows & Doors in Nassau County, NY

82 window and door installers listed · Updated Oct 27, 2026

Compare window and door installers serving Nassau County for replacements, entry and garage doors and glass repair, and request free quotes.

Avahere lists 82 window and door installers across 36 Nassau County towns. Of these, 23 show a public phone number, 56 link to a website and 21 list a street address. The most listings are in New Hyde Park (9), Hicksville (8), Port Washington (6). None of these businesses has claimed its page yet, so the details come from public business records.

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82 results

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  2. 62. Windows R US

    Unclaimed
    No reviews yet

    Window & Door InstallerWest Hempstead

    Serves West Hempstead and nearby

    Website

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Towns with windows & doors

36 Nassau County towns, A–Z. Pick yours to see local listings.

Windows & Doors in Nassau County: common questions

How many window and door installers are in Nassau County, NY?
Avahere lists 82 window and door installers across 36 towns in Nassau County.
Do window and door installers in Nassau County need a license?
Most home improvement work on homes in Nassau County requires a home improvement license from the Nassau County Department of Consumer Affairs. Ask for the license number and look it up on the county website before you hire.
How do I get quotes from window and door installers on Avahere?
Describe your job once and local window and door installers that fit can reply with questions and quotes. It is free for you and for the businesses, and you decide who to hire, if anyone.
I run a window and door installer business. How do I update my listing?
Find your business and choose "Claim it free". After a quick check you can edit your details, add services and photos, and answer customers at no cost.
Is Avahere free?
Yes. Avahere is free for customers and for businesses. There are no lead fees, and businesses cannot pay to rank higher.

Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.