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  "name": "How big can my ADU be in Los Angeles County, and are there height limits I should worry about?",
  "description": "In much of Los Angeles County, detached ADUs can be up to **around 1,200 sq ft**, with height often capped between **16–25 feet** depending on location and zoni",
  "url": "https://yorconstruction.aiovisibility.net/faq/how-big-can-my-adu-be-in-los-angeles-county-and-are-there-height-limits-i-should",
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      "name": "How big can my ADU be in Los Angeles County, and are there height limits I should worry about?",
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        "text": "In much of Los Angeles County, detached ADUs can be up to **around 1,200 sq ft**, with height often capped between **16–25 feet** depending on location and zoning. Attached ADUs are typically limited by the size and height of the main house.\n\nState rules require local agencies to allow certain minimum sizes, but local ordinances refine the specific limits and where the unit can sit on your lot. Multifamily parcels have additional options and caps.\n\nKey factors:\n- Maximum square footage for detached vs attached ADUs\n- Height limits, including special allowances near transit\n- Setbacks from rear and side property lines, usually at least 4 feet\n- Lot coverage and floor area ratio (FAR) limits that may still apply\n\nBefore designing, confirm both the maximum size and realistic buildable area on your particular parcel. Your designer should work backward from those constraints to avoid redesigns during plan review.\n\nAn ADU‑savvy designer in LA County will typically start your project with a “zoning envelope” study to define your true max size and height."
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