Building Departments in Napa County, California

There are 8 Building Departments in Napa County, California, serving a population of 141,005 people in an area of 749 square miles. There is 1 Building Department per 17,625 people, and 1 Building Department per 93 square miles.

In California, Napa County is ranked 7th of 58 counties in Building Departments per capita, and 11th of 58 counties in Building Departments per square mile.

List of Napa County Building Departments

Find Napa County, California building departments, planning, permits, zoning, and inspections.

American Canyon Planning Department 4381 Broadway Street American Canyon, CA

Calistoga City Building Department 1232 Washington Street Calistoga, CA

Napa Building Department 1600 1st Street Napa, CA

Napa County Building Department, Planning, Zoning and Permits 1195 3rd Street Napa, CA

Napa County Zoning 1195 3rd Street Napa, CA

Napa Planning Department 1600 1st St Napa, CA

Saint Helena Planning Department 1480 Main Street St. Helena, CA

St Helena Building Department 1480 Main Street St. Helena, CA

About the Napa County Building Department

Building Departments in Napa County, CA 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 Napa 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:
  • Napa County, California building inspection records
  • Contractor license searches
  • Napa County building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • Napa County, CA zoning laws and requirements

Napa County Building Structure & Housing Statistics

Find Napa 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.

Napa County Residential Housing Units
 Napa CountyCalifornia
Total Housing Units55,55714,084,824
Occupied Housing Units49,032 (88.3%)12,965,435 (92.1%)
Napa County Occupied Residential Buildings
 Napa CountyCalifornia
Single-Family Detached Homes33,798 (68.9%)7,566,088 (58.4%)
Single-Family Attached Homes3,240 (6.6%)920,191 (7.1%)
2 Apartments1,264 (2.6%)308,873 (2.4%)
3 or 4 Apartments1,637 (3.3%)714,188 (5.5%)
5 to 9 Apartments1,608 (3.3%)789,950 (6.1%)
10 or More Apartments4,359 (8.9%)2,205,200 (17.0%)
Mobile Home or Other Type of Housing3,126 (6.4%)460,945 (3.6%)
Napa County Occupied Residential Buildings Construction Year
 Napa CountyCalifornia
2014 or Later551 (1.1%)132,134 (1.0%)
2010 to 2013611 (1.2%)216,232 (1.7%)
2000 to 20096,125 (12.5%)1,464,564 (11.3%)
1980 to 199912,530 (25.6%)3,377,514 (26.1%)
1960 to 197915,113 (30.8%)4,034,411 (31.1%)
1940 to 195910,530 (10,530.0%)2,564,501 (2,564,501.0%)
1939 or Earlier3,572 (7.3%)1,176,079 (9.1%)
Napa County Occupied Residential Buildings Room Characteristics
 Napa CountyCalifornia
1 Room783 (1.6%)445,167 (3.4%)
2 or 3 Rooms32,658 (66.6%)7,908,811 (61.0%)
4 or 5 Rooms18,357 (37.4%)5,031,756 (38.8%)
6 or 7 Rooms15,841 (32.3%)3,672,513 (28.3%)
8 or More Rooms8,526 (17.4%)1,825,203 (14.1%)
Napa County Occupied Residential Buildings Bedroom Characteristics
 Napa CountyCalifornia
No Bedroom903 (1.8%)505,729 (3.9%)
1 Bedroom4,352 (8.9%)1,695,883 (13.1%)
2 or 3 Bedrooms32,658 (66.6%)7,908,811 (61.0%)
4 or More Bedrooms11,119 (22.7%)2,855,012 (22.0%)
Napa County Occupied Residential Building Facility Characteristics
 Napa CountyCalifornia
With Complete Plumbing Facilities48,850 (99.6%)12,908,038 (99.6%)
With Complete Kitchen Facilities48,325 (98.6%)12,815,959 (98.8%)