Contractors in Williamsville, New York

26 listings: public-work contractors (24), roofing contractors (1), electricians (2), plumbers (1), hvac contractors (1), concrete & masonry (1).

How Do You Find a Licensed Contractor in Williamsville, New York?

We list 26 contractors in Williamsville, including 24 active official state records. New York has no statewide general contractor license, and cities or counties set the rules. Ask for the license number, confirm it with the state or city, and get at least two written bids.

Updated November 6, 2026 · Source: official state records and OpenStreetMap (downloaded November 6, 2026).

Buffalo Roofing

5565 Transit Road, Williamsville

Map listing: license not checkedRoofing Contractors

Birdair, Inc.

Williamsville

New York DOL: ActivePublic-Work Contractors

Paglicci Glass LLC

Williamsville

New York DOL: ActiveWindows, Siding & InsulationPublic-Work Contractors

Vascousa, LLC

Williamsville

New York DOL: ActivePublic-Work Contractors
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Before You Hire in Williamsville

New York has no statewide general contractor license, and cities or counties set the rules. Threshold: None statewide; cities such as New York City and Buffalo have their own rules. Read the New York license summary, then use the hiring checklist and compare your bids. Your city’s building department can also tell you which permits your job needs.

Other Cities in New York

Sources: Washington L&I, Oregon CCB and New York DOL open data; © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method