Contractors in Ronkonkoma, New York

82 listings: general contractors (1), public-work contractors (82), roofing contractors (2), electricians (5), plumbers (3), hvac contractors (3).

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

We list 82 contractors in Ronkonkoma, including 82 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).

DRV4, Inc.

Ronkonkoma

New York DOL: ActivePublic-Work Contractors

Statewide Roofing Inc.

Ronkonkoma

New York DOL: ActiveRoofing ContractorsPublic-Work ContractorsRegistry Warning: See Notes

Forestry Inc.

Ronkonkoma

New York DOL: ActivePublic-Work Contractors

Legacy Tile Corp.

Ronkonkoma

New York DOL: ActiveFlooring & TilePublic-Work Contractors
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Before You Hire in Ronkonkoma

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