New building permits in Nassau County, NY
2206 building permits on file from town and county permit offices in Nassau County — newest filings first, updated daily.
General contractor (23)Plumbing / piping (23)HVAC / heating / cooling (3)Excavation / sitework / septic (3)Waterproofing / drainage (1)
Residential Building Permit
25 Lawrence St, New Hyde Park, NY 11040·New Hyde Park·Filed July 23, 2026·Active
General contractor
Residential Building Permit
591 Foch Blvd, Williston Park, NY 11596·Williston Park·Filed July 23, 2026·Active
General contractor
Residential Building Permit
46 Beechwood Ave, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
General contractor
Residential Building Permit
49 Shelbourne Ln, New Hyde Park, NY 11040·New Hyde Park·Filed July 23, 2026·Active
General contractor
Residential Building Permit
51 Marino Ave, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
General contractor
Plumbing Permit Application
25 Lawrence St, New Hyde Park, NY 11040·New Hyde Park·Filed July 23, 2026·Active
Plumbing / piping
Plumbing Permit Application
51 Marino Ave, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
Plumbing / piping
HVAC Permit Application
25 Lawrence St, New Hyde Park, NY 11040·New Hyde Park·Filed July 23, 2026·Active
HVAC / heating / cooling
HVAC Permit Application
14 Carey St, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
HVAC / heating / cooling
HVAC Permit Application
22 Mineola Ave, Roslyn Heights, NY 11577·Roslyn Heights·Filed July 23, 2026·Active
HVAC / heating / cooling
Gas Permit Application
25 Lawrence St, New Hyde Park, NY 11040·New Hyde Park·Filed July 23, 2026·Active
Plumbing / piping
Gas Permit Application
8 Fenimore Rd, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
Plumbing / piping
Gas Permit Application
25 School St, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
Plumbing / piping
Gas Permit Application
51 Marino Ave, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
Plumbing / piping
Drainage Permit Application
51 Marino Ave, Port Washington, NY 11050·Port Washington·Filed July 23, 2026·Active
Waterproofing / drainage
Building Permit
81 MARGUERITE AVE, ELMONT, NY 11003·Elmont·Filed July 23, 2026·Active
General contractor
Gas Plumbing Permit
1060 MCDONALD AVE, WANTAGH, NY 11793·Wantagh·Filed July 23, 2026·Active
Plumbing / piping
Building Permit
75 CORD LN, LEVITTOWN, NY 11756-393·Levittown·Filed July 23, 2026·Active
General contractor
Building Permit
568 Arcadian Ave, Valley Stream, NY 11580·Valley Stream·Filed July 23, 2026·Active
General contractor
Building Permit
419 HARRISON ST, FRANKLIN SQUARE, NY 11010·Franklin Square·Filed July 23, 2026·Active
General contractor
Building Permit
461 BARBARA LN, WEST HEMPSTEAD, NY 11552·West Hempstead·Filed July 23, 2026·Active
General contractor
Plumbing Permit
357 BLACKSMITH RD W, LEVITTOWN, NY 11756-311·Levittown·Filed July 23, 2026·Active
Plumbing / piping
Building Permit
74 EAST ROOSE AVE, Roosevelt, NY 11575·Roosevelt·Filed July 23, 2026·Active
General contractor
Building Permit
145 E PENNYWOOD AVE, ROOSEVELT, NY 11575·Roosevelt·Filed July 23, 2026·Active
General contractor
Building Permit
475 EAST MEADOW AVE, EAST MEADOW, NY 11554·East Meadow·Filed July 23, 2026·Active
General contractor
Sewer Permit
35 Ocean Watch Ct, Freeport, NY 11520·Freeport·Filed July 23, 2026·Active
Excavation / sitework / septic · Plumbing / piping
Sewer Permit
40 Ocean Watch Court, Freeport, NY 11520·Freeport·Filed July 23, 2026·Active
Excavation / sitework / septic · Plumbing / piping
Building Permit
81 MARGUERITE AVE, ELMONT, NY 11003·Elmont·Filed July 23, 2026·Active
General contractor
Building Permit
81 MARGUERITE AVE, ELMONT, NY 11003·Elmont·Filed July 23, 2026·Active
General contractor
Building Permit
2003 PARK AVE, EAST MEADOW, NY 11554·East Meadow·Filed July 23, 2026·Active
General contractor
Building Permit
107 PROSPECT AVE, LYNBROOK, NY 11563·Lynbrook·Filed July 23, 2026·Active
General contractor
Building Permit
4 LEGEND LN, WESTBURY, NY 11590-631·Westbury·Filed July 23, 2026·Active
General contractor
Plumbing Permit
2578 RIVERSIDE DR, WANTAGH, NY 11793·Wantagh·Filed July 23, 2026·Draft
Plumbing / piping
Gas Plumbing Permit
3457 OCEAN AVE, OCEANSIDE, NY 11572·Oceanside·Filed July 23, 2026·Active
Plumbing / piping
Plumbing Permit
3457 OCEAN AVE, OCEANSIDE, NY 11572·Oceanside·Filed July 23, 2026·Active
Plumbing / piping
Building Permit
2553 BEDELL ST, Unit 0, BELLMORE, NY 11710·Bellmore·Filed July 23, 2026·Active
General contractor
Gas Plumbing Permit
3453 OCEAN AVE, OCEANSIDE, NY 11572·Oceanside·Filed July 23, 2026·Active
Plumbing / piping
Plumbing Permit
3135 RALPH AVE, OCEANSIDE, NY 11572·Oceanside·Filed July 23, 2026·Active
Plumbing / piping
Gas Plumbing Permit
700 PARTRIDGE AVE, WEST HEMPSTEAD, NY 11552·West Hempstead·Filed July 23, 2026·Active
Plumbing / piping
Sewer Permit
860 LONGVIEW AVE, VALLEY STREAM, NY 11581·Valley Stream·Filed July 23, 2026·Active
Excavation / sitework / septic · Plumbing / piping
Building Permit
1808 JEFFERSON AVE, NORTH BELLMORE, NY 11710·North Bellmore·Filed July 23, 2026·Active
General contractor
Plumbing Permit
3453 OCEAN AVE, OCEANSIDE, NY 11572·Oceanside·Filed July 23, 2026·Active
Plumbing / piping
Building Permit
1808 JEFFERSON AVE, NORTH BELLMORE, NY 11710·North Bellmore·Filed July 23, 2026·Active
General contractor
Plumbing Permit
44 EVERIT AVE, Unit 0, HEWLETT, NY 11557·Hewlett·Filed July 23, 2026·Active
Plumbing / piping
Plumbing Permit
811 HOME ST, ELMONT, NY 11003·Elmont·Filed July 23, 2026·Active
Plumbing / piping
Gas Plumbing Permit
37 MARTIN LN, WESTBURY, NY 11590-632·Westbury·Filed July 23, 2026·Active
Plumbing / piping
Gas Plumbing Permit
625 DIANNE ST, SEAFORD, NY 11783·Seaford·Filed July 23, 2026·Active
Plumbing / piping
Plumbing Permit
393 Bee Gee Ct, West Hempstead, NY 11552·West Hempstead·Filed July 23, 2026·Active
Plumbing / piping
Residential Building Permit
14 Magnolia Dr, New Hyde Park, NY 11040·New Hyde Park·Filed July 22, 2026·Active
General contractor
Residential Building Permit
16 Irons Pl, New Hyde Park, NY 11040·New Hyde Park·Filed July 22, 2026·Active
General contractor
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