Weed Ordinances: Altadena vs Santa Monica
How do weed ordinances rules compare between Altadena, CA and Santa Monica, CA?
Altadena and Santa Monica have similar restriction levels.
Altadena, CA
Los Angeles County
LA County Fire's Brush Clearance program also functions as the weed-abatement ordinance — vacant and improved lots must keep weeds and grasses cut to under 3 inches in fire-hazard areas. Annual notices issued each spring.
View full Altadena rules →Santa Monica, CA
Los Angeles County
Santa Monica requires property owners to maintain landscaping and prevent weed growth under SMMC Ch. 13.02. Overgrown vegetation, dying or dead plants, and inadequate ground cover are property maintenance violations.
View full Santa Monica rules →Key Facts Comparison
| Fact | Altadena | Santa Monica |
|---|---|---|
| Authority | LA County Fire Code Title 32 | - |
| Max Grass/Weed Height | 3 inches | - |
| Annual Inspection | Spring (notice mailed) | - |
| Cost Recovery | Property tax assessment | - |
| Code | - | SMMC Ch. 13.02 |
| Standard | - | No overgrown, dying, or dead vegetation |
| Ground Cover | - | Required to prevent erosion |
| Enforcement | - | Code Enforcement |
Highlighted rows indicate differences between cities.
Altadena FAQ
How tall can my Altadena lawn grass be?
Under 3 inches if you are in a Very High Fire Hazard Severity Zone, per LA County Fire's defensible space rules.
Santa Monica FAQ
Will Santa Monica cite me for weeds on my property?
Yes. Properties must be maintained free of weeds per SMMC Chapter 8.108. Each day is a separate violation.
Can I use gravel instead of grass in Santa Monica?
No. Ground cover must be live plant material. Gravel, rock, bark, and similar nonplant materials are not acceptable substitutes.
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