Hillside grading exceeding 2,500 cubic yards cut + fill requires a Conditional Use Permit in Altadena (CSD 22.306.060.B.2.b). Grading during the Oct 15 – Apr 15 rainy season is subject to Public Works erosion-control requirements.
Altadena CSD Section 22.306.060.B governs hillside management. A Minor CUP is required for any development in a Hillside Management Area (Ch. 22.104) not otherwise subject to a regular CUP. Grading exceeding 2,500 cubic yards total cut + fill requires a full Conditional Use Permit (Ch. 22.158). Grading during the rainy season (Oct 15 – Apr 15) requires erosion and runoff controls deemed necessary by LA County Public Works. Haul routes are required when offsite transport exceeds 1,000 cy under Section 22.140.240. Hillside design standards in Table 22.306.060-A require terracing that mimics natural contours, screening with landscaping, and light reflectance value ≤35%.
Unpermitted grading is a violation of Title 22 — stop-work orders, restoration requirements, and administrative fines up to $25,000.
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...
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