Unincorporated coastal areas including Marina del Rey and Topanga lie within the California Coastal Zone, requiring Coastal Development Permits under LACO Title 22.46 and concurrent California Coastal Commission review for projects affecting public access, views, or sensitive habitat.
LACO Title 22.46 implements the California Coastal Act inside the unincorporated coastal zone, which includes Marina del Rey, Topanga, the Santa Monica Mountains coastal slope, and parts of Catalina Island. Most development - including new construction, additions, grading, vegetation removal, and changes in intensity of use - requires a Coastal Development Permit (CDP) issued by the Department of Regional Planning. Where the county has a certified Local Coastal Program (LCP), the county acts as primary permitting agency; in areas of deferred certification (much of Santa Monica Mountains), the California Coastal Commission has concurrent or sole jurisdiction. CDPs may be appealed to the Commission within 10 working days.
Unpermitted coastal development triggers cease-and-desist orders, restoration mandates, daily civil penalties up to $15,000 per violation under Public Resources Code 30820, and recordation of violations against title.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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.
See how other cities in Los Angeles County handle coastal zone permits.
See how Altadena's coastal zone permits rules stack up against other locations.
Quick Compare
Help us keep this page accurate. If you notice an error or outdated information, let us know.