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🌿 Landscaping Rules/Weed Ordinances

Weed Ordinances: Altadena vs Pasadena

How do weed ordinances rules compare between Altadena, CA and Pasadena, CA?

Altadena and Pasadena have similar restriction levels.

Altadena, CA

Los Angeles County

Some Restrictions

LA County Fire's Brush Clearance program also functions as the weed-abatement ordinance β€” 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 β†’

Pasadena, CA

Los Angeles County

Some Restrictions

Pasadena requires property owners to maintain yards free of excessive weeds and overgrown vegetation. Particularly strict enforcement in fire hazard areas. Code Compliance addresses violations through investigation and citation.

View full Pasadena rules β†’

Key Facts Comparison

FactAltadenaPasadena
AuthorityLA County Fire Code Title 32-
Max Grass/Weed Height3 inches-
Annual InspectionSpring (notice mailed)-
Cost RecoveryProperty tax assessment-
Maintenance-Required year-round
Fire Zones-Enhanced enforcement
Enforcement-Code Compliance Division
Contact-(626) 744-8633

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.

Pasadena FAQ

What is the weed height limit in Pasadena?

In fire hazard areas, weeds must be cut to 3 inches or less. All properties must be free of hazardous vegetation year-round.

What if I don't clear my weeds?

The county may perform abatement and assess costs on your annual property tax bill through the LA County ACWM program.

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