477 9th Avenue, Mixed-Use Development

Updated Rendering

Project Description

A Formal Planning Application has been submitted to review demolition of the existing office structures and to construct a new mixed-use office/residential building. The project consists of the following:

  • Construct a new five-story mixed-use building
  • Approximately 29,207 gross square feet of office uses
  • 120 residential units for rent (studios and 1 to 2-bedrooms), including 12 Below Market Rate units that are affordable at the very low-income category
  • 112 residential parking spaces on two levels and 38 office parking stalls on the ground level 

Project Update

  • A Planning Commission Public Hearing is currently scheduled for this project. Please see the “Upcoming Meetings” section below for more information.
  • The application was filed on July 11, 2022.
  • The required neighborhood meeting was held on April 14, 2022 and a Planning Commission Study Session was held on May 24, 2022.
  • An SB 330 Preliminary Application was filed on January 14, 2022. This prohibits the City from conducting more than five public hearings, and imposing ordinances, policies and standards adopted after this filing date.
  • The project is subject to the Housing Accountability Act (HAA), which limits a local agency’s ability to deny, reduce the density of, or render housing development projects infeasible if objective standards are met.

CEQA Documents

Categorical Exemption Memorandum  – November 16, 2023


Development Impact Fees

This project would be subject to payment of impact fees and in-lieu fees, including those listed below:

  • Commercial Linkage Fee
  • Child Care Development Fee
  • Landscape Unit In-Lieu Fee
  • Park Impact Fee
  • Sanitary Sewer Connection Charge
  • School Impact Fees
  • Transportation Improvement Fee
  • Wastewater Treatment Plant Phase II Impact Fee
  • Art in Public Place

Related Documents

Upcoming Meetings

Planning Commission Public Hearing
Date: Tuesday, December 12, 2023
Time: 7:00 p.m.
Location: In Person: City Hall Council Chambers, 330 W. 20th Ave., San Mateo, CA.
or Online: www.cityofsanmateo.org/publicmeetings


Applicant Information

Stephen Siri
The Martin Group
1970 Broadway Suite 745
Oakland, CA 94612
(415) 429-6044

City Contact Information

Linda Ly
Associate Planner
(650) 522-7217