Building Departments in California

There are 493 Building Departments in California, serving a population of 38,982,847 people in an area of 155,747 square miles. There is 1 Building Department per 79,072 people, and 1 Building Department per 315 square miles.

The state of California is ranked 39th in Building Departments per capita, and 18th in Building Departments per square mile.

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California Building Structure & Housing Statistics

Find California Residential Housing Units, Occupied Residential Buildings, 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, 2017 ACS 5-Year Estimates.

California Residential Housing Units
 CaliforniaUnited States
Total Housing Units13,996,299135,393,564
Occupied Housing Units12,888,128 (92.1%)118,825,921 (87.8%)
California Occupied Residential Buildings
 CaliforniaUnited States
Single-Family Detached Homes7,543,682 (58.5%)74,725,744 (62.9%)
Single-Family Attached Homes907,658 (7.0%)7,108,474 (6.0%)
2 Apartments308,115 (2.4%)4,163,223 (3.5%)
3 or 4 Apartments711,773 (5.5%)5,096,643 (4.3%)
5 to 9 Apartments786,420 (6.1%)5,539,054 (4.7%)
10 or More Apartments2,172,068 (16.9%)15,360,749 (12.9%)
Mobile Home or Other Type of Housing458,412 (3.6%)6,832,034 (5.7%)
California Occupied Residential Buildings Construction Year
 CaliforniaUnited States
2014 or Later73,265 (0.6%)1,027,503 (0.9%)
2010 to 2013192,896 (1.5%)2,888,604 (2.4%)
2000 to 20091,475,128 (11.4%)17,290,715 (14.6%)
1980 to 19993,371,005 (26.2%)32,923,618 (27.7%)
1960 to 19794,023,056 (31.2%)31,190,223 (26.2%)
1940 to 19592,573,947 (20.0%)18,692,139 (15.7%)
1939 or Earlier1,178,831 (9.1%)14,813,119 (12.5%)
California Occupied Residential Buildings Room Characteristics
 CaliforniaUnited States
1 Room417,169 (3.2%)2,205,033 (1.9%)
2 or 3 Rooms1,984,896 (15.4%)12,973,069 (10.9%)
4 or 5 Rooms5,017,755 (38.9%)41,694,651 (35.1%)
6 or 7 Rooms3,659,911 (28.4%)36,818,298 (31.0%)
8 or More Rooms1,808,397 (14.0%)25,134,870 (21.2%)
California Occupied Residential Buildings Bedroom Characteristics
 CaliforniaUnited States
No Bedroom476,439 (3.7%)2,479,583 (2.1%)
1 Bedroom1,704,610 (13.2%)12,375,686 (10.4%)
2 or 3 Bedrooms7,870,395 (61.1%)77,772,411 (65.5%)
4 or More Bedrooms2,836,684 (22.0%)26,198,241 (22.0%)
California Occupied Residential Building Facility Characteristics
 CaliforniaUnited States
With Complete Plumbing Facilities12,832,220 (99.6%)118,355,147 (99.6%)
With Complete Kitchen Facilities12,738,526 (98.8%)117,845,683 (99.2%)