Panel Permits: Compton vs Lancaster
How do panel permits rules compare between Compton, CA and Lancaster, CA?
Compton has fewer restrictions than Lancaster.
Compton, CA
Los Angeles County
Solar panel installation in Compton requires building and electrical permits. Average cost is approximately $2.92/W. California SB 379 requires streamlined residential solar permitting. Most residential rooftop systems qualify for expedited review.
View full Compton rules →Lancaster, CA
Los Angeles County
Lancaster was the first U.S. city to require solar on new homes. Its Zero Net Energy Home Ordinance (effective Jan 1, 2018) mandates a solar system equivalent to 2 watts per square foot for new residential construction.
View full Lancaster rules →Key Facts Comparison
| Fact | Compton | Lancaster |
|---|---|---|
| Permits Required | Building and electrical | - |
| Avg Cost | ~$2.92 per watt | - |
| SB 379 | Streamlined permitting required | - |
| Timeline | Expedited for small residential | - |
| Effective | - | January 1, 2018 |
| Requirement | - | 2 watts per sq ft |
| Compliance Paths | - | Solar / fee / combo |
| First in US | - | Yes (2017 adoption) |
Highlighted rows indicate differences between cities.
Compton 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 Compton zoning code for solar easement protections.
Lancaster FAQ
Do new homes in Lancaster need solar panels?
Yes. The Zero Net Energy Home Ordinance (effective Jan 1, 2018) requires new single-family homes to have a solar system equivalent to 2 watts per square foot of conditioned floor area, or pay a mitigation fee in lieu.
Can I pay a fee instead of installing solar?
Yes. Builders can fully pay an in-lieu mitigation fee, or combine partial solar with a partial fee. The combined value must equal the 2 W/sq ft requirement; details set by the city's permit process.
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