A small rooftop solar system is one that:
Important: Your solar system must follow all local and state building, electrical, plumbing, mechanical, and fire safety codes. Solar panels cannot exceed the height limits set by your property’s zoning rules.
Available for single-family residences using the city's standard central inverter or micro inverter plans. To apply
Complete the eligibility checklist
Complete the city's standard plan
Submit your permit application through our online portal by selecting the "Roof Mounted Solar PV Expedited" option.
Estimated processing time is 1-3 business days.
This self-issued permit is available only to contractors via the SolarAPP+ webpage. It checks your solar design for code compliance.
Ensure your project meets eligibility criteria (refer to the SolarAPP+ checklist).
Submit your design on the SolarAPP+ webpage.
Pay the processing fee and download approved plans and certificates.
Obtain a City of San Marcos business license.
Log into the city’s online permitting system.
Attach the permit declaration form and pay for your permit.
Schedule your inspection via the city’s online permitting system (inspection cannot be scheduled without a completed Permit Declaration Form).
Solar systems that don't qualify for expedited review or SolarAPP+ can:
Submit a full set of plans and supporting documents through for review by internal staff.
Estimated processing time: 5-10 business days.
What is SolarAPP+?
How to submit a project
Where is SolarAPP+ available?
SolarAPP+ costs for installers
Preparing for a SolarAPP+ Inspection
SDG&E Solar FAQs