ADU Rules: Lancaster vs Santa Monica
How do adu rules rules compare between Lancaster, CA and Santa Monica, CA?
Lancaster and Santa Monica 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 →Santa Monica, CA
Los Angeles County
Santa Monica regulates ADUs under SMMC §9.31.025. Maximum size is 650 sq ft on lots up to 6,000 sq ft or 800 sq ft on larger lots. No development fees. Ministerial approval process.
View full Santa Monica rules →Key Facts Comparison
| Fact | Lancaster | Santa Monica |
|---|---|---|
| Max Size | 800 sq ft detached | - |
| Setbacks | 4 ft rear/side | 4 feet rear/side (new) |
| Parking | None near transit | - |
| State Law | Gov. Code §65852.2 | - |
| Code Section | - | SMMC §9.31.025 |
| Max Size (small lot) | - | 650 sq ft (lots ≤6,000 sf) |
| Max Size (large lot) | - | 800 sq ft (lots >6,000 sf) |
| Dev Fees | - | None |
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.
Santa Monica FAQ
Can I build an ADU on my property in Santa Monica?
Santa Monica regulates ADUs under SMMC §9.31.025. Maximum size is 650 sq ft on lots up to 6,000 sq ft or 800 sq ft on larger lots. No development fees. Ministerial approval process.
What are the size limits for an accessory dwelling unit in Santa Monica?
Code Section: SMMC §9.31.025. Max Size (small lot): 650 sq ft (lots ≤6,000 sf). Max Size (large lot): 800 sq ft (lots >6,000 sf). Setbacks: 4 feet rear/side (new).
Compare other topics
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