IMPORTANT UPDATE, RED FLAG WARNING & INTERMITTENT POWER OUTAGES:  Tuesday, Nov. 13, 2018 - 10:20 am - There are NO current emergencies in the City of San Marcos. With high Santa Ana winds and red flag warnings in place through Wednesday, Nov. 14, residents can expect intermittent power outages throughout San Marcos and County of San Diego as SDG&E takes steps to keep communities safe from wildfire. Follow San Diego Gas & Electric and visit for the latest updates. To prepare, San Marcos Fire Department and the County of San Diego are recommending residents take a “Ready, Set, Go!” approach for peak fire season. To learn how you can prepare, visit

Welcome to Development Services

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Our Services

The Development Services Department is a one-stop-shop for private development projects. The department handles everything from project entitlement approvals to construction permits and serves to address violations of the City ordinances related to land use and development.

Building & Code Compliance

Land Development


Development Services Department Development Services Director 
1 Civic Center Drive
San Marcos, CA 92069
Dahvia Lynch
(760) 744-1050, ext. 3281