Panel Permits: Castaic vs Los Angeles
How do panel permits rules compare between Castaic, CA and Los Angeles, CA?
Los Angeles has fewer restrictions than Castaic.
Castaic, CA
Los Angeles County
Solar panel installation in unincorporated LA County requires permits from Building & Safety. Applications submitted via EPIC-LA. Expedited permitting for small residential rooftop PV systems 10 kW or smaller with combined fee not exceeding $500. Plan check required for all PV systems.
View full Castaic rules →Los Angeles, CA
Los Angeles County
Solar PV installations require building and electrical permits from LADBS. Simple residential rooftop systems meeting standard criteria qualify for express permits without plan check review. Ground-mounted panels must comply with fence height limits and zoning setbacks. Roof-mounted panels may project above the maximum roof height per LAMC 12.21.1 B.3(c). CA Solar Rights Act prohibits unreasonable restrictions.
View full Los Angeles rules →Key Facts Comparison
| Fact | Castaic | Los Angeles |
|---|---|---|
| Permits | Required, submit via EPIC-LA | Building + electrical from LADBS |
| Expedited | For systems 10 kW or smaller | - |
| Max Fee | $500 for small residential | - |
| Plan Check | Required for all PV systems | - |
| Express Permit | - | Available for standard rooftop installs |
| Height | - | May project above roof per LAMC 12.21.1 |
| State Law | - | CA Solar Rights Act protects installations |
Highlighted rows indicate differences between cities.
Castaic FAQ
Do I need a permit for solar panels in LA County?
Yes, from LA County Building & Safety. State law (SB 1222) requires the county to process residential rooftop solar permits within 1 business day. Fees are typically $400-$800. Contact Building & Safety at (626) 458-3171.
How long does solar permitting take?
Under SB 1222, residential rooftop solar permits must be processed within 1 business day for standard systems. Complex installations (ground-mounted, older roofs needing structural review) may take longer.
What incentives are available for solar in LA County?
Net metering (NEM 3.0) through your utility, the federal Investment Tax Credit (30% through 2032), and potentially state/utility rebates. Check with your utility provider (SCE, LADWP) and energyupgradecalifornia.org.
Los Angeles FAQ
Do I need a permit for solar panels?
Yes, a building and electrical permit is required. Many jurisdictions offer expedited or over-the-counter permits for standard residential rooftop solar systems.
Can my neighbor build something that shades my solar panels?
Many states have solar access laws that protect existing solar installations. Check state law and Los Angeles zoning code for solar easement protections.
Compare other topics
See how Castaic and Los Angeles compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool