Building Division Contact


Building DivisionBuilding Permits, Inspections & Code Compliance

Building Plan Review

Building & Development Division

Mike Zimmer
Chief Building Official

County Administration Building
1195 Third Street
2nd Floor
Napa, CA  94559

Main Phone: (707) 253-4417
Main Fax: (707) 253-4545

Toll Free Line: (877) 279-2976
Building Inspections: (707) 253-4416

The Building & Development Divisions office hours are as follows: 

Lobby and Reception:    Monday through Friday 7:30am-5:00pm 

Permit Assistance:          Monday through Friday 8:00am-12:00pm and 1:00pm-4:00pm* 

Same Day Permits:         Monday through Thursday 8:00am-10:00am 


          *By Appointment Only:       Monday through Friday 12:00pm-1:00pm and 4:00pm to 5:00pm            

          *Building Plans Examiners by Appointment Only:  Monday through Friday 2:00pm-5:00pm