Long Island Contractor RegistryLicensed contractors · Nassau & Suffolk

Suffolk County, New York

Licensed contractors in Mount Sinai, NY

78 licensed home improvement contractors are based in Mount Sinai, in Suffolk County. 62 hold a Suffolk County license and 16 hold a Nassau County license. Choose a trade below, or browse the full list.

78
Contractors
17
Trades
78
With phone

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Frequently asked questions

How many licensed contractors are based in Mount Sinai?

78 home improvement contractors based in Mount Sinai hold a current county license: 62 from Suffolk County and 16 from Nassau County.

What are the most common trades in Mount Sinai?

The trades listed most often by contractors based in Mount Sinai are carpentry & framing (24), general contracting (23), landscaping & trees (16).

How do I check a contractor's license in Suffolk County?

Every listing shows the county license number. Confirm it with the Suffolk County Department of Consumer Affairs before you sign a contract or pay a deposit, and ask for proof of insurance.

Is this directory free for homeowners?

Yes. You can search and contact any contractor directly. There are no lead fees and no middleman.

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