San Mateo County

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San Mateo County · development

Development activity

Active development applications and projects in San Mateo County, ranked by community impact.

5 applications (filtered)4 types

All time Last 30 days Last 6 monthsAll statuses Approved Continued Pending

All types Other Conditional Use Site Plan Subdivision

Filtered to Approved

ApprovedSubdivision

1815 Cordilleras Road Subdivision

1815 Cordilleras Road, Emerald Lake Hills

1 hearing0 commentsLast discussed Aug 25, 2026

ApprovedSite Plan

Jefferson Avenue Single-Family Residence

Steve Simpson (Architect) / Client

3865 Jefferson Avenue, Emerald Lake Hills

1 hearing0 commentsLast discussed Aug 11, 2026

1065 E. Hillsdale Boulevard Acquisition

DWF IV Century Plaza, LLC

1065 E. Hillsdale Boulevard, Foster City, CA

1 hearing7 commentsLast discussed Jul 21, 2026

ApprovedConditional Use

Horizon Treatment Services Recovery Center

Horizon Treatment Services

826 Mahler Road, Burlingame, CA

2 hearings13 commentsLast discussed Jul 7, 2026

ApprovedSite Plan

Hall of Justice Court Tenant Improvements

Judicial Council of California / County of San Mateo

400 County Center, Redwood City, CA

1 hearing0 commentsLast discussed Feb 24, 2026