San Mateo · development
Development activity
Active development applications and projects in San Mateo, ranked by community impact.
Bay Meadows Phase II Development Agreement Annual Review (PA-2026-0073)
Bay Meadows Main Track Investors, LLC
477 9th Avenue Storm Drain Easement Dedication
477 9th Avenue
Zoning Code Amendment — R6, R7, MU3, MU4 Districts
City of San Mateo
606 South Delaware Street Development
606 South Delaware Street, San Mateo, CA
Bespoke — 445 South B Street Mixed-Use Development
DTSM Talbots Ventures, LLC
445 South B Street, San Mateo, CA
Block 21 Mixed-Use Project
Michael Field, Windy Hill Property Ventures
500 E. 3rd Avenue / 300-320 S. Delaware Street / 511-525 E. 4th Avenue / 307-373 S. Claremont Street, San Mateo, CA
Horizon Treatment Services Facility
Horizon Treatment Services
101 North El Camino Real, San Mateo, CA
19th Avenue Fashion Island Multimodal Project
19th Avenue / Fashion Island Boulevard, San Mateo, CA
1700 El Camino Real Residential Development
1700 El Camino Real, San Mateo, CA