Community Planning

500 E. 4th Ave (Block 20) Mixed-Use Development

E. 4th Avenue, S. Delaware Street, S. Claremont Street, San Mateo, California 94401

Document Stage

Environmental Review

Public comment period

Closed on October 29, 2026

Description

The 500 E. 4th Ave Block 20 Mixed-Use project would demolish all existing structures on-site and construct a seven-story, approximately 167,489 square-foot mixed-use building with two levels of below grade parking. The building would be a maximum height of 85 feet and would include approximately 99,025 square feet of office space, 17,205 square feet of common area per floor, and 72 multi-family residential units.

Sign in or create a FREE account

Access the full proposal, agency contacts, alerts, and community sentiment so you can make your voice heard.