Lancaster vs Pomona
How do panel permits rules compare between Lancaster, CA and Pomona, CA?
Pomona has fewer restrictions than Lancaster.
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 →Pomona, CA
Los Angeles County
Solar panel installation in Pomona requires a building permit. New construction must include solar per 2022 CA Title 24 energy code. Historic sites require a Minor Certificate of Appropriateness - Solar.
View full Pomona rules →Key Facts Comparison
| Fact | Lancaster | Pomona |
|---|---|---|
| Effective | January 1, 2018 | - |
| Requirement | 2 watts per sq ft | - |
| Compliance Paths | Solar / fee / combo | - |
| First in US | Yes (2017 adoption) | - |
| Permit | - | Building permit required |
| New Construction | - | Solar required per Title 24 |
| Historic Sites | - | Certificate of Appropriateness needed |
| ADUs | - | Detached ADUs generally require solar |
Highlighted rows indicate differences between cities.
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.
Pomona 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 Pomona zoning code for solar easement protections.
Compare other topics
See how Lancaster and Pomona compare on other ordinance categories.
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