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San Mateo County · development
Development activity
Active development applications and projects in San Mateo County, ranked by community impact.
2 applications (filtered)4 types
Filtered to Site Plan
Filtered to Approved
ApprovedSite Plan
Jefferson Avenue Single-Family Residence
Steve Simpson (Architect) / Client
3865 Jefferson Avenue, Emerald Lake Hills
1 hearing0 commentsLast discussed Aug 11, 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