San Mateo County's Department of Planning & Building counters are closed on the following county holidays:
2021
- Friday, January 1
- Monday, January 18
- Monday, February 15
- Monday, May 31
- Monday, July 5
- Monday, September 6
- Monday, October 11
- Thursday, November 11
- Thursday, November 25
- Friday, November 26
- Saturday, December 25
2020
- Wednesday, January 1
- Monday, January 20
- Monday, February 17
- Monday, May 25
- Saturday, July 4
- Monday, September 7
- Monday, October 12
- Wednesday, November 11
- Thursday, November 26
- Friday, November 27
- Friday, December 25