Doing Business with Nassau Coutny

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Construction On or Near County Roads
When considering construction on Nassau County-owned roads, it is essential to contact both the municipality within which the property lies and the Nassau County Department of Public Works (DPW).

Also contact DPW regarding sewer use (tapping in), road opening (curb cuts), hauling scavenger waste/wastewater (cesspool), dumpsters placed on County roads, treated water permit, industrial waste discharge into County lines and/or holding areas, and to facilitate the building permit process on County roads.

Zoning & Planning
The Economic Development Office and the Planning Commission regulate and administer zoning and planning in Nassau County.
Economic Development - (516) 571-0390
Planning Commission - (516) 571-5844

Health Care Facilities
Certificate of Need (CON) applications are required for all health care facilities that propose construction, acquisition of major medical equipment, changes in ownership and the addition of services.

Construction Licensing FAQs

Subdivision Control Review

Local Permits

The below cities, towns, and villages offer local building permit information online. If your municipality is not listed, refer to our list of all municipalities within Nassau County, and call your city, town or village directly.

Bayville, Village of
Cedarhurst, Village of
East Rockaway, Village of
East Williston, Village of

Farmingdale, Village of

Floral Park, Village of

Flower Hill, Village of

Freeport, Village of

Garden City, Village of

Glen Cove,
City of
Great Neck Plaza, Village of

Hempstead, Town of

Hempstead, Village of

Laurel Hollow, Village of

Lawrence, Village of

Long Beach, City of

Lynbrook, Village of
Malverne, Village of
Massapequa Park, Village of
New Hyde Park, Village of
North Hempstead, Town of
Oyster Bay, Town of
Plandome, Village of
Roslyn, Village of
Sands Point, Village of
Sea Cliff, Village of
Westbury, Village of