Skip to main content
CityRuleLookup
☀️ Solar Energy/Panel Permits

Panel Permits: Downey vs Los Angeles

How do panel permits rules compare between Downey, CA and Los Angeles, CA?

Downey and Los Angeles have similar restriction levels.

Downey, CA

Los Angeles County

Few Restrictions

Downey provides expedited permitting for small residential rooftop solar per AB 2188 and the Solar Rights Act. Systems up to 10 kW AC qualify for streamlined review. Panels cannot exceed the maximum building height.

View full Downey rules →

Los Angeles, CA

Los Angeles County

Few Restrictions

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

FactDowneyLos Angeles
StreamlinedYes, per AB 2188-
Max Size10 kW AC for expedited review-
HeightCannot exceed building maxMay project above roof per LAMC 12.21.1
New ConstructionSolar required per CA Energy Code-
Permits-Building + electrical from LADBS
Express Permit-Available for standard rooftop installs
State Law-CA Solar Rights Act protects installations

Highlighted rows indicate differences between cities.

Downey 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 Downey zoning code for solar easement protections.

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 Downey 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