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General Contractors in Oyster Bay, NY

9 general contractors listed · Updated Oct 27, 2026

Compare general contractors serving Oyster Bay for renovations, additions and repairs, and request free quotes from local builders.

Avahere lists 9 general contractors in Oyster Bay, NY (11771). Of these, 2 link to a website. Oyster Bay is a hamlet in the Town of Oyster Bay; this page also covers Centre Island, Cove Neck, Oyster Bay Cove. Nearby, East Norwich has 2 and Locust Valley has 3. None of these businesses has claimed its page yet, so the details come from public business records.

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General Contractors in Oyster Bay: common questions

How many general contractors are in Oyster Bay, NY?
Avahere lists 9 general contractors in Oyster Bay. Nearby you'll also find 2 in East Norwich, 3 in Locust Valley, 2 in Bayville.
Do general contractors 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 general contractors on Avahere?
Describe your job once and local general contractors 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 general contractor 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.