Tiny Homes: Altadena vs Pomona
How do tiny homes rules compare between Altadena, CA and Pomona, CA?
Altadena and Pomona have similar restriction levels.
Altadena, CA
Los Angeles County
Tiny homes on permanent foundations are treated as ADUs under CA Gov Code 65852.2 and LA County's ADU ordinance in unincorporated areas. Tiny homes on wheels are not recognized as permanent dwellings. LA County allows ADUs up to 1,200 sq ft detached with 4 ft side/rear setbacks.
View full Altadena rules →Pomona, CA
Los Angeles County
Tiny homes in Pomona are regulated as ADUs if permanent. CA Gov Code Section 65852.2 allows ADUs up to 1,200 sq ft. Tiny homes on wheels may be classified as RVs and subject to parking restrictions.
View full Pomona rules →Key Facts Comparison
| Fact | Altadena | Pomona |
|---|---|---|
| On Foundation | Treated as ADU, permitted | - |
| On Wheels | Not allowed as permanent dwelling | May be classified as RV |
| Max ADU Size | 1,200 sq ft detached | - |
| State Law | CA Gov Code 65852.2 | CA Gov Code Section 65852.2 |
| Permanent | - | Regulated as ADU per state law |
| Max Size (ADU) | - | 1,200 sq ft detached |
Highlighted rows indicate differences between cities.
Altadena FAQ
Can I put a tiny home in my backyard in unincorporated LA County?
Yes, if it's on a permanent foundation and meets ADU requirements. Detached units up to 1,200 sq ft are allowed with 4-foot setbacks. You need a building permit from LA County Building & Safety.
Can I live in a tiny home on wheels in LA County?
No. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent dwellings. They can be parked on your property subject to RV parking rules but cannot be connected to utilities as a residence.
What permits do I need for a tiny home ADU?
You need a building permit from LA County Building & Safety. Under state law, ADU permits must be approved ministerially (no discretionary review) within 60 days if plans comply with standards. Contact (626) 458-3171.
Pomona FAQ
Can I put a tiny home in my backyard?
Possibly under Pomona ADU rules if on a permanent foundation. Tiny homes on wheels face stricter zoning limitations.
What is the minimum house size?
Pomona typically requires 400 to 800+ square feet for a primary dwelling. ADU rules may allow smaller secondary units.
Compare other topics
See how Altadena and Pomona 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