Structure Height Limits: Altadena vs Compton
How do structure height limits rules compare between Altadena, CA and Compton, CA?
Altadena and Compton have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena R-1 max height: 35 ft on lots ≥20,000 sf; 30 ft on lots <20,000 sf and flag lots. Maximum 2 stories above grade. No portion of any structure may exceed 23 ft if within 15 ft of any property line.
View full Altadena rules →Compton, CA
Los Angeles County
Building height limits in Compton are set by zoning district under Chapter 30. Detached ADUs are limited to 16 ft, attached ADUs to 25 ft. The city is currently modernizing its zoning code development standards including height regulations.
View full Compton rules →Key Facts Comparison
| Fact | Altadena | Compton |
|---|---|---|
| Code Section | Altadena CSD 22.306.070.A.2 | - |
| Max Height ≥20k sf | 35 ft | - |
| Max Height <20k sf | 30 ft | - |
| Flag Lots | 30 ft | - |
| Max Stories | 2 above grade | - |
| Within 15 ft of PL | 23 ft | - |
| Detached ADU | - | 16 ft max |
| Attached ADU | - | 25 ft max |
| Primary Structure | - | Varies by zone |
| Conversions | - | Height limits do not apply |
Highlighted rows indicate differences between cities.
Altadena FAQ
How tall can a house be in Altadena?
35 ft on lots 20,000 sq ft and larger, 30 ft on smaller lots, with a maximum of 2 stories above grade (Altadena CSD 22.306.070.A.2).
Compton FAQ
What is the max height for a house?
Typically 35 feet or 2.5 stories in residential zones. Check Compton zoning code for your specific district.
Do chimneys count toward height?
Chimneys and similar projections are usually exempt up to a limited additional height above the roof.
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