Carports in Altadena are accessory structures regulated under Altadena CSD 22.306.070 and LA County Code 22.110.040. They count toward the lot-coverage formula and the 2-space minimum parking requirement.
LA County Code Section 22.110.040 (Accessory Structures and Equipment) governs detached carports in Title 22. They must meet the side/rear setback requirements of the underlying zone (typically 5 ft in R-1 per CSD Table 22.306.070-A), comply with the Altadena lot-coverage formula 0.25 × lot + 1,000 sq ft (CSD 22.306.070.A.4), and may not exceed the 23-foot height limit within 15 ft of any property line (CSD 22.306.070.A.1.c). Required parking spaces under CSD 22.306.070.A.5 may be uncovered, so carports are not required even if you have 3+ spaces.
Non-compliant carports are zoning violations under Title 22; building permits required for structural carports.
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Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle carport rules.
See how Altadena's carport rules rules stack up against other locations.
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