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☀️ Solar Energy/Panel Permits

Panel Permits: Costa Mesa vs Irvine

How do panel permits rules compare between Costa Mesa, CA and Irvine, CA?

Costa Mesa has fewer restrictions than Irvine.

Costa Mesa, CA

Orange County

Few Restrictions

Costa Mesa offers an expedited, streamlined permitting process for small residential solar energy systems complying with AB 2188 and the California Solar Rights Act. Systems up to 10 kW AC on single-family or duplex dwellings qualify for simplified plan check through the city's online TESSA portal.

View full Costa Mesa rules →

Irvine, CA

Orange County

Some Restrictions

Solar panel installations in Irvine require a building permit. Under California's AB 2188, the city offers a streamlined permitting process for standard residential rooftop systems. Irvine provides online permit applications for qualifying solar installations. Ground-mounted systems and non-standard installations require standard plan review. All installations must comply with the California Building and Electrical Codes.

View full Irvine rules →

Key Facts Comparison

FactCosta MesaIrvine
Permit PortalTESSA online system-
Small SystemUp to 10 kW AC or 30 kW thermal-
Eligible DwellingsSingle-family or duplex-
Processing Time7-21 days typical-
Building Safety(714) 754-5245-
Permit Required-Building permit for all installations
Streamlined-Expedited under AB 2188
Online Application-Available for qualifying systems
Ground-Mount-Standard plan review required
Code Compliance-California Building and Electrical Codes

Highlighted rows indicate differences between cities.

Costa Mesa FAQ

How do I apply for a solar panel permit in Costa Mesa?

Submit your application through the city's online TESSA portal. Small residential systems (up to 10 kW AC) on single-family or duplex homes qualify for expedited processing under AB 2188. The process typically takes 7 to 21 days for standard installations.

Do I need a permit for solar panels in Costa Mesa?

Yes, a building permit is required for all solar panel installations in Costa Mesa. However, the city offers a streamlined process for small residential systems that complies with AB 2188, making the permitting process faster and simpler.

Does the coastal zone affect solar permits in Costa Mesa?

Yes. Properties within the California Coastal Zone may require a Coastal Development Permit from the California Coastal Commission in addition to the city building permit, which can extend timelines to 3 to 6 months.

Irvine FAQ

Do I need a permit for solar panels in Irvine?

Yes, a building permit is required. Irvine offers a streamlined, expedited process under AB 2188 for standard residential rooftop solar installations, with online applications available.

How long does the solar permit process take in Irvine?

Standard residential systems meeting AB 2188 criteria receive expedited review, typically within a few business days. Non-standard or ground-mounted systems take longer.

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