ADU Rules: Lancaster vs Pomona
How do adu rules rules compare between Lancaster, CA and Pomona, CA?
Lancaster and Pomona have similar restriction levels.
Lancaster, CA
Los Angeles County
California law (Gov. Code §65852.2) requires cities to allow ADUs on residential lots. Lancaster must comply with state standards for size, setbacks, and parking.
View full Lancaster rules →Pomona, CA
Los Angeles County
Pomona regulates ADUs under Zoning Code Section 830.A and Ordinance No. 4281. Detached ADUs up to 1,200 sq ft are allowed. No minimum lot size. Height up to 16 ft detached, 25 ft attached. 4-foot side/rear setbacks required.
View full Pomona rules →Key Facts Comparison
| Fact | Lancaster | Pomona |
|---|---|---|
| Max Size | 800 sq ft detached | - |
| Setbacks | 4 ft rear/side | 4 ft side/rear |
| Parking | None near transit | - |
| State Law | Gov. Code §65852.2 | - |
| Max Size (Detached) | - | 1,200 sq ft |
| Height (Detached) | - | 16 ft |
| Code Section | - | Zoning §830.A; Ord. 4281 |
Highlighted rows indicate differences between cities.
Lancaster FAQ
Can I build an ADU?
Yes. California law requires all cities to allow ADUs on residential lots. Lancaster must process permits within 60 days.
Do I need to live on the property?
No owner-occupancy requirement for ADUs under current California law.
Pomona FAQ
Can I build an ADU on my property in Pomona?
Pomona regulates ADUs under Zoning Code Section 830.A and Ordinance No. 4281. Detached ADUs up to 1,200 sq ft are allowed. No minimum lot size. Height up to 16 ft detached, 25 ft attached. 4-foot side/rear setbacks required.
What are the size limits for an accessory dwelling unit in Pomona?
Max Size (Detached): 1,200 sq ft. Height (Detached): 16 ft. Setbacks: 4 ft side/rear. Code Section: Zoning §830.A; Ord. 4281.
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