Structure Height Limits: Altadena vs Torrance
How do structure height limits rules compare between Altadena, CA and Torrance, CA?
Altadena and Torrance 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 →Torrance, CA
Los Angeles County
Single-story dwellings in the R-1 zone are limited to 18 feet. Accessory buildings cannot exceed 14 feet. Height varies by zone and overlay district.
View full Torrance rules →Key Facts Comparison
| Fact | Altadena | Torrance |
|---|---|---|
| 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 | - |
| R-1 Single Story | - | 18 ft max |
| Accessory Building | - | 14 ft max in R-1 |
| Hillside Overlay | - | Additional restrictions apply |
| ADU Height | - | Per state law (16-25 ft) |
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).
Torrance FAQ
What is the max height for a house?
Typically 35 feet or 2.5 stories in residential zones. Check Torrance 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.
Compare other topics
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