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Plumbers in Nassau County, NY

175 plumbers listed · Updated Oct 27, 2026

Compare plumbers serving Nassau County for leaks, drains, water heaters and sewer or cesspool work, and request free quotes from local pros.

Avahere lists 175 plumbers across 45 Nassau County towns. Of these, 27 show a public phone number, 105 link to a website and 24 list a street address. The most listings are in New Hyde Park (16), Massapequa (13), Mineola (11). None of these businesses has claimed its page yet, so the details come from public business records.

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Towns with plumbers

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

Plumbers in Nassau County: common questions

How many plumbers are in Nassau County, NY?
Avahere lists 175 plumbers across 45 towns in Nassau County.
Who licenses plumbers in Nassau County?
Plumbers in Nassau County are licensed by the town, city or village where the work is done, not by the county. Ask which license the plumber holds and where it was issued.
How do I get quotes from plumbers on Avahere?
Describe your job once and local plumbers 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 plumber 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.