A minature house being constructed on top of a set of plans. Permit Process residential solar panels installation Instant Residential Solar and Energy Storage System Permits Tree Protected Tree Ordinance & Tree Management Resource Neighborhood houses Design Review (DR) Ordinance Update Project

Major Projects

San Mateo County Housing Element Rezoning Program

San Mateo County is preparing an Environmental Impact Report (EIR) for Phase 2 of its Housing Element Rezoning Program in El Granada, which proposes rezoning six undeveloped residential parcels to allow higher-density multifamily housing and help meet state-mandated housing requirements.

306 San Mateo Road Horse Stable and Rehabilitation Facility

A public workshop will take place to allow for public comments on a proposal to construct a Horse Stable and Rehabilitation Facility consisting of a 40-stall horse stable, a covered riding arena, one site manager residence, and a rehabilitation building.

Christian Drive SB330 (Builder’s Remedy) Project Application

The County Planning and Building Department has received a SB330 Builder’s Remedy application at property located on Christian Drive at Ralston Ranch Road (adjoining areas within the City of Belmont)

The Peninsula School’s East Campus Pre-Application Workshop

A public workshop on Wednesday, June 17, 2026, to gather comments on The Peninsula School’s proposal (Planning Case File PRE2025‑00012) to remodel its East Campus and amend its Use Permit to raise enrollment from 223 to 286 students.

Shamrock Ranch SB330/SB8 (Builder’s Remedy) Project Application

About the Project: The County Planning and Building Department has received a preliminary SB330/SB8 Builder’s Remedy application at Shamrock Ranch (100 Shamrock Ranch Road) that proposes:

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Location

455 County Center, 2nd Floor
Redwood City, CA 94063 Get Directions

Hours

Monday - Thursday:
8:00 am - 4:00 pm
(closed 12:00 pm - 1:00 pm for lunch)
Friday - Sunday:
Closed

Phone Numbers

General Information: (650) 363-1827 Planning: (650) 363-1825 Building: (650) 599-7310 Code Compliance: (650) 363-4825 Inspections: (650) 599-7311