Fences under 6 ft do not require a building permit in unincorporated LA County. Fences over 6 ft require permits from Building & Safety. Department of Regional Planning approval may be needed depending on fence location (front yard, corner lot). Block walls over 6 ft always require permits.
Fences under 6 feet in height do not require a building permit in unincorporated LA County. Fences over 6 feet require a building permit from LA County Building & Safety and must comply with Title 22 setback requirements. Front yard fences are limited to 42 inches (3.5 feet) in most residential zones. Pool barrier fences have separate requirements under CA Building Code Title 24. Retaining walls over 4 feet (from footing to top of wall) require a building permit and engineering plans. All fences must maintain sight distance triangles at street intersections.
Building a fence over 6 feet without a permit is a code violation. Building & Safety issues a notice to correct with 30 days to either obtain a retroactive permit (double fees) or remove the fence. Fences blocking sight distance at intersections may be ordered removed immediately for public safety. Administrative fines of $100-$500 per day apply for uncorrected violations.
Altadena, CA
LA County allows backyard chickens in R-1 zones in unincorporated areas (including Altadena) subject to coop setbacks under LA County Code Title 10 and Title...
Altadena, CA
LA County Code Section 10.32.010 prohibits dogs running at large in any public place or private property other than the owner's, unless restrained by a chain...
Altadena, CA
Trimming protected oak trees (≥8 in DBH) requires an Oak Tree Permit if the work enters the protected zone or removes >25% of crown. Street trees in the publ...
Altadena, CA
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.
Altadena, CA
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...
Altadena, CA
Outdoor watering in Altadena (served by Lincoln Avenue Water Co., Las Flores Water Co., Rubio Cañon, and Kinneloa Irrigation District) is limited to 2 days p...
Side-by-side rule comparisons with other cities in Los Angeles County.
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See how Altadena's permit requirements rules stack up against other locations.
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