Building Departments in Middlesex County, New Jersey

There are 14 Building Departments in Middlesex County, New Jersey, serving a population of 837,288 people in an area of 309 square miles. There is 1 Building Department per 59,806 people, and 1 Building Department per 22 square miles.

In New Jersey, Middlesex County is ranked 17th of 21 counties in Building Departments per capita, and 5th of 21 counties in Building Departments per square mile.

List of Middlesex County Building Departments

Find Middlesex County, New Jersey building departments, planning, permits, zoning, and inspections.

Cranbury Planning and Zoning Department 23 North Main Street Cranbury, NJ

East Brunswick Building Department 1 Jean Walling Drive East Brunswick, NJ

East Brunswick Permits 1 Jean Walling Drive East Brunswick, NJ

East Brunswick Zoning 1 Civic Center Drive East Brunswick, NJ

Edison Zoning 100 Municipal Boulevard Edison, NJ

Highland Park Zoning 221 South 5th Avenue Highland Park, NJ

Metuchen Borough Zoning 500 Main Street Metuchen, NJ

Middlesex County Planning Department 1 Main Street Woodbridge, NJ

Middlesex County Planning Department 40 Livingston Avenue New Brunswick, NJ

Piscataway Zoning 505 Sidney Road Piscataway, NJ

Sayreville Building Department 49 Dolan Street Sayreville, NJ

Sayreville Zoning 167 Main Street Sayreville, NJ

South River Zoning 48 Washington Street South River, NJ

Woodbridge Township Building Department 1 Main Street Woodbridge, NJ

About the Middlesex County Building Department

Building Departments in Middlesex County, NJ 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 Middlesex 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:
  • Middlesex County, New Jersey building inspection records
  • Contractor license searches
  • Middlesex County building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • Middlesex County, NJ zoning laws and requirements

Middlesex County Building Structure & Housing Statistics

Find Middlesex 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.

Middlesex County Residential Housing Units
 Middlesex CountyNew Jersey
Total Housing Units300,5413,605,401
Occupied Housing Units284,174 (94.6%)3,213,362 (89.1%)
Middlesex County Occupied Residential Buildings
 Middlesex CountyNew Jersey
Single-Family Detached Homes151,166 (53.2%)1,754,953 (54.6%)
Single-Family Attached Homes32,842 (11.6%)289,235 (9.0%)
2 Apartments18,831 (6.6%)290,743 (9.0%)
3 or 4 Apartments15,082 (5.3%)199,314 (6.2%)
5 to 9 Apartments16,216 (5.7%)153,429 (4.8%)
10 or More Apartments48,064 (16.9%)497,820 (15.5%)
Mobile Home or Other Type of Housing1,973 (0.7%)27,868 (0.9%)
Middlesex County Occupied Residential Buildings Construction Year
 Middlesex CountyNew Jersey
2014 or Later2,593 (0.9%)28,644 (0.9%)
2010 to 20135,025 (1.8%)52,093 (1.6%)
2000 to 200925,146 (8.8%)289,142 (9.0%)
1980 to 199976,717 (27.0%)695,397 (21.6%)
1960 to 197981,498 (28.7%)847,137 (26.4%)
1940 to 195965,125 (65,125.0%)721,871 (721,871.0%)
1939 or Earlier28,070 (9.9%)579,078 (18.0%)
Middlesex County Occupied Residential Buildings Room Characteristics
 Middlesex CountyNew Jersey
1 Room4,205 (1.5%)70,149 (2.2%)
2 or 3 Rooms165,993 (58.4%)1,874,131 (58.3%)
4 or 5 Rooms93,164 (32.8%)994,248 (30.9%)
6 or 7 Rooms85,687 (30.2%)923,083 (28.7%)
8 or More Rooms63,974 (22.5%)835,220 (26.0%)
Middlesex County Occupied Residential Buildings Bedroom Characteristics
 Middlesex CountyNew Jersey
No Bedroom4,673 (1.6%)76,253 (2.4%)
1 Bedroom43,225 (15.2%)444,677 (13.8%)
2 or 3 Bedrooms165,993 (58.4%)1,874,131 (58.3%)
4 or More Bedrooms70,283 (24.7%)818,301 (25.5%)
Middlesex County Occupied Residential Building Facility Characteristics
 Middlesex CountyNew Jersey
With Complete Plumbing Facilities283,461 (99.7%)3,204,437 (99.7%)
With Complete Kitchen Facilities282,810 (99.5%)3,188,970 (99.2%)