Block 21 (500 E. 3rd Ave.)

PA21-063 Block 21 0522

Project Description

“Block 21” is a proposed six-story mixed-use building located on the block bounded by E. 3rd Avenue, S. Delaware Street, E. 4th Avenue, and S. Claremont Street consisting of

  • 179,560 square-feet of office uses
  • 111 Residential units (53 Studios and 58 1-Bedrooms), of which 12 units would be devoted to the very-low income category (15% of the base-density)
  • 402 On-site parking spaces within a two-level underground garage

 Project Update

  • On March 2, 2023, the applicant filed a request to extend the approved Tentative Parcel Map and associated Planning Application approvals to June 20, 2026. The applicant has not requested any changes to the approved design in this extension request. A Planning Commission Public Hearing for the extension request was held on July 11, 2023 where the Planning Commission approved the extension request by a vote of 5-0. Please see the Meetings section below for more information.
  • The City Council approved the subject project and adopted the project’s Mitigated Negative Declaration on June 20, 2022 by a vote of 5-0 based on a 4-0 recommendation for approval by the Planning Commission. Please see the Meetings section below for past meeting videos and agendas.

Project Documents

Applicant Tentative Parcel Map Extension Letter – May 19, 2023

Approved Project Plans – June 20, 2022

The 20-day public review period of the project’s Initial Study and Mitigated Negative Declaration occurred between May 18 to June 7. No public comments were received that warranted further analysis or resulted in the need for modified or new Mitigation Measures. 

Initial Study and Mitigated Negative Declaration 


Development Impact Fees

This project would be subject to payment of the following impact fees and in-lieu fees.

  • 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


Applicant Information

Michael Field
Windy Hill Property Ventures
(650) 847-1485 

City Contact Information

Rendell Bustos
Senior Planner
(650) 522-7211