Grass Height Limits: Altadena vs Santa Monica
How do grass height limits rules compare between Altadena, CA and Santa Monica, CA?
Altadena and Santa Monica have similar restriction levels.
Altadena, CA
Los Angeles County
In Altadena's Very High Fire Hazard Severity Zones, grass and weeds must be kept under 3 inches under LA County Fire Code Title 32 defensible-space rules.
View full Altadena rules →Santa Monica, CA
Los Angeles County
Santa Monica requires property owners to maintain landscaping under SMMC Ch. 13.02 (Property Maintenance). Overgrown, dying, or dead vegetation is a violation. Landscaping must prevent blowing dust or erosion.
View full Santa Monica rules →Key Facts Comparison
| Fact | Altadena | Santa Monica |
|---|---|---|
| Max Height in VHFHSZ | 3 inches | - |
| Code Section | LA County Fire Code Title 32 | - |
| Compliance Window | Year-round in VHFHSZ | - |
| Code | - | SMMC Ch. 13.02 |
| Standard | - | Must be maintained, not overgrown |
| Dying Vegetation | - | Must be removed |
| Erosion | - | Ground cover required to prevent |
Highlighted rows indicate differences between cities.
Altadena FAQ
How tall can my Altadena grass get?
Under 3 inches if you are in a Very High Fire Hazard Severity Zone — LA County Fire Code Title 32 defensible space rules. Outside VHFHSZ, no specific cap but it cannot become a public nuisance.
Santa Monica FAQ
How tall can my grass get before I get fined in Santa Monica?
Santa Monica requires property owners to maintain landscaping under SMMC Ch. 13.02 (Property Maintenance). Overgrown, dying, or dead vegetation is a violation. Landscaping must prevent blowing dust or erosion.
What is the maximum grass height in Santa Monica?
Code: SMMC Ch. 13.02. Standard: Must be maintained, not overgrown. Dying Vegetation: Must be removed. Erosion: Ground cover required to prevent.
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