1 E. 4th Ave - Mixed-Use Development

Project Description

A Planning Application (PA-2025-057) has been submitted, proposing the demolition of all existing buildings and the construction of a 15-story mixed-use building with 236 rental residential units, office uses, and commercial uses on a 0.91-acre site located at the northeast corner of El Camino Real and E. 4th Avenue in Downtown. The project proposal includes a density bonus request, providing below market rate (BMR) units as outlined below to increase the maximum allowable density under State Density Bonus Law.

The project consists of:

Approximately 12,000 square feet of ground floor retail/restaurant space,
Approximately 108,000 square feet of office space
236 for-rent units, including a total of 36 BMR units
- 18 units (15% of the base density of 118 units) devoted to the very-low income households
- 18 units (15% of the base density of 118 units) devoted to the moderate income households
171 below-grade parking spaces
On-site amenities including a golf simulator, private lounge, spa, and gym

Project Update

The current formal Planning Application (PA-2025-057) was submitted on July 22, 2025, and is currently under review.
This formal Planning Application follows submittal of an SB330 Preliminary Application (PA-2025-022) which was deemed complete as of March 28, 2025. The Housing Crisis Act (SB330) (Government Code Section 65941.1.) is a state law, allowing the project to secure development standards, fees, and regulations as they apply at the time of submission, with the submittal of all required documents as outlined in the City’s SB 330 checklist. More information about SB 330 can be found in the Housing and Community Development (HCD) SB 330 website.

Development Impact Fees

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

Child Care Development Fee
Commercial Linkage
Landscape Unit In-Lieu Fee
Park Impact Fee
School Impact Fees
Transportation Improvement Fee
Wastewater Capacity Charge

Applicant Information

Mike Field
Mecah Ventures
650-200-3715
mike@mecahventures.com

City Contact Information

Somer Smith
Senior Planner
(650) 522-7214
ssmith@cityofsanmateo.org