Building Departments in Nassau County, New York

There are 12 Building Departments in Nassau County, New York, serving a population of 1,363,069 people in an area of 285 square miles. There is 1 Building Department per 113,589 people, and 1 Building Department per 23 square miles.

In New York, Nassau County is ranked 52nd of 62 counties in Building Departments per capita, and 6th of 62 counties in Building Departments per square mile.

List of Nassau County Building Departments

Find Nassau County, New York building departments, planning, permits, zoning, and inspections.

Freeport Building Department 46 North Ocean Avenue Freeport, NY

Hempstead Building Department 1 Washington Street Hempstead, NY

Hempstead Planning Department 383 Nassau Road Roosevelt, NY

Hempstead Planning Department 200 North Franklin Street Hempstead, NY

Lawrence Building Department 196 Central Avenue Lawrence, NY

Manhasset Planning Department 210 Plandome Road Manhasset, NY

Nassau County Planning Department 1 West Street Mineola, NY

North Hempstead Building Department 210 Plandome Road Manhasset, NY

North Hempstead Zoning 210 Plandome Road Manhasset, NY

Oyster Bay Planning Department 74 Audrey Avenue Oyster Bay, NY

Oyster Bay Zoning 74 Audrey Avenue Oyster Bay, NY

Valley Stream Zoning 123 South Central Avenue Valley Stream, NY

About the Nassau County Building Department

Building Departments in Nassau County, NY are responsible for ensuring safe construction of buildings located in their jurisdictions. Building Departments create building codes and standards for building construction to ensure building safety. The Nassau County DOB is involved in all aspects of construction, including zoning laws, design requirements, building materials, trade and professional license regulation.

You may contact the Building Department for questions about:
  • Nassau County, New York building inspection records
  • Contractor license searches
  • Nassau County building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • Nassau County, NY zoning laws and requirements

Nassau County Building Structure & Housing Statistics

Find Nassau County Residential Housing Units, Occupied Residential Buildings Construction Year, Occupied Residential Buildings Room Characteristics, Occupied Residential Buildings Bedroom Characteristics, and Occupied Residential Building Facility Characteristics. Data Source: U.S. Census Bureau; American Community Survey, 2018 ACS 5-Year Estimates.

Nassau County Residential Housing Units
 Nassau CountyNew York
Total Housing Units471,8358,287,087
Occupied Housing Units445,517 (94.4%)7,316,537 (88.3%)
Nassau County Occupied Residential Buildings
 Nassau CountyNew York
Single-Family Detached Homes343,333 (77.1%)3,056,240 (41.8%)
Single-Family Attached Homes12,477 (2.8%)385,262 (5.3%)
2 Apartments27,976 (6.3%)736,030 (10.1%)
3 or 4 Apartments8,535 (1.9%)500,272 (6.8%)
5 to 9 Apartments7,083 (1.6%)381,461 (5.2%)
10 or More Apartments45,291 (10.2%)2,104,409 (28.8%)
Mobile Home or Other Type of Housing822 (0.2%)152,863 (2.1%)
Nassau County Occupied Residential Buildings Construction Year
 Nassau CountyNew York
2014 or Later1,881 (0.4%)45,618 (0.6%)
2010 to 20133,953 (0.9%)106,896 (1.5%)
2000 to 200914,167 (3.2%)452,893 (6.2%)
1980 to 199931,864 (7.2%)997,799 (13.6%)
1960 to 197982,862 (18.6%)1,671,698 (22.8%)
1940 to 1959222,772 (222,772.0%)1,733,497 (1,733,497.0%)
1939 or Earlier88,018 (19.8%)2,308,136 (31.5%)
Nassau County Occupied Residential Buildings Room Characteristics
 Nassau CountyNew York
1 Room7,204 (1.6%)274,733 (3.8%)
2 or 3 Rooms229,689 (51.6%)4,279,831 (58.5%)
4 or 5 Rooms87,243 (19.6%)2,540,356 (34.7%)
6 or 7 Rooms173,041 (38.8%)1,857,583 (25.4%)
8 or More Rooms145,742 (32.7%)1,297,242 (17.7%)
Nassau County Occupied Residential Buildings Bedroom Characteristics
 Nassau CountyNew York
No Bedroom8,545 (1.9%)319,813 (4.4%)
1 Bedroom36,380 (8.2%)1,372,490 (18.8%)
2 or 3 Bedrooms229,689 (51.6%)4,279,831 (58.5%)
4 or More Bedrooms170,903 (38.4%)1,344,403 (18.4%)
Nassau County Occupied Residential Building Facility Characteristics
 Nassau CountyNew York
With Complete Plumbing Facilities444,459 (99.8%)7,287,201 (99.6%)
With Complete Kitchen Facilities442,721 (99.4%)7,259,644 (99.2%)