Community Development

The Department of Community Development (CDD) has broad responsibilities focused on long-range planning, review of applications for new development, maintenance of neighborhoods, code enforcement, and planning.

Five divisions work together to accomplish these goals and all division offices are located at City Hall:

  • CDD Administration
  • Building Safety
  • Code Enforcement
  • Neighborhood Improvement and Housing
  • Planning
Physical Address
San Mateo City Hall
330 West 20th Avenue
San Mateo, CA 94403
Phone Number
(650) 522-7200
Fax
(650) 522-7201
Email Us
communitydevelopment@cityofsanmateo.org

CDD Arborist (Trees and Development)

Phone Number
(650) 522-7191
Email Us
arborist@cityofsanmateo.org

CDD Arborist (Trees and Development)

Phone Number
(650) 522-7191
Email Us
arborist@cityofsanmateo.org

Building Division

Building Counter Hours:

Monday:
8:00am – 12:00pm

1:00pm – 4:30pm

Tuesday:
8:00am – 12:00pm

(Closed in the afternoon)

Wednesday:
8:00am – 12:00pm

1:00pm – 4:30pm

Thursday:
8:00am – 12:00pm

1:00pm – 4:30pm

Friday:
8:00am – 12:00pm

(Afternoon by appointment only)



Phone Number
(650) 522-7172
Email Us
building.info@cityofsanmateo.org

Code Enforcement

Report a Code Violation

To report a code violation within the City of San Mateo, use the My San Mateo Online Service Request Portal or call (650) 522-7150.

Phone Number
(650) 522-7150
Email Us
codeenforcement@cityofsanmateo.org

Planning Division


Physical Address
330 West 20th Avenue
San Mateo, CA 94403
Phone Number
(650) 522-7212
Email Us
planning@cityofsanmateo.org
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