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San Mateo
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Site PlanApproved445 South B Street, San Mateo, CA

Bespoke Mixed-Use Development (PA-2023-012)

San Mateo

Description

A full-block downtown project with 71 affordable apartments, a six-story office building, ground-floor retail, a shared 137-space underground garage, and a permanent home for Self-Help for the Elderly. The council approved the development agreement, environmental and project approvals, funding, and permits, and introduced the ordinance.

Impact summary

Adds 71 affordable family-sized homes near the Caltrain station, roughly $1.2 million a year in new property tax, downtown retail vitality, and public evening/weekend parking — with construction phased over up to about 14.5 years.

Applicant

Name
DTSM Talbots Ventures, LLC (Prometheus Real Estate Group, Harvest Properties, Alta Housing)
Address
445 South B Street, San Mateo, CASee this on the map

At a glance

Hearings
1
Public comments
0
Total mentions
1

Last vote · City Council

Approved5–0, unanimous

Last discussed May 18, 2026.

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