Grass Height Limits: Altadena vs Castaic
How do grass height limits rules compare between Altadena, CA and Castaic, CA?
Altadena and Castaic 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 →Castaic, CA
Los Angeles County
Property owners in unincorporated LA County must maintain vegetation under nuisance abatement codes. Overgrown weeds and grass are subject to fire hazard reduction and property maintenance requirements. The county may abate and charge owners for non-compliance.
View full Castaic rules →Key Facts Comparison
| Fact | Altadena | Castaic |
|---|---|---|
| Max Height in VHFHSZ | 3 inches | - |
| Code Section | LA County Fire Code Title 32 | - |
| Compliance Window | Year-round in VHFHSZ | - |
| Maintenance | - | Required, overgrowth is nuisance |
| Fire Hazard | - | Vegetation reduction required |
| Enforcement | - | County code enforcement |
| Abatement | - | County may clean and bill owner |
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.
Castaic FAQ
Is there a grass height limit in LA County?
In fire hazard zones, grass and weeds must be kept below 3 inches within the 200-foot brush clearance zone. In non-fire areas, there's no specific height limit, but overgrown vegetation creating a nuisance can be cited.
Who enforces overgrown vegetation in LA County?
LA County Fire Department handles brush clearance in fire hazard zones. The Agricultural Commissioner handles weed abatement on vacant lots. General code enforcement handles nuisance vegetation complaints at (888) 756-2700.
What if my neighbor's yard is overgrown?
File a complaint with LA County code enforcement at (888) 756-2700 or online through the LA County complaint portal. In fire hazard areas, you can also contact LA County Fire's Forestry Division at (818) 890-5719.
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