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Title 24 - Multifamily occupancy vs single family

asked 2023-09-27 15:11:35 -0600

raffi's avatar

If there’s a property that has an existing 4 unit apartment building and there is a new ADU being built on the SAME property but detached from the existing apartment building. Would that ADU fall under the single family or multifamily code (Title 24 CA)?

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answered 2023-09-29 12:34:04 -0600

LukeInCali's avatar

I don't have a definitive answer since it may depend on a number of elements, but based on what you've described, this is a building that does not contain more than two dwelling units (See CBC 310.4), and therefore it's R-3. Title 24 part 6 defines this under the single-family category (see 100.1 definitions) and should be modeled in CBECC-Res or other approved single-family compliance software.

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Asked: 2023-09-27 15:11:35 -0600

Seen: 118 times

Last updated: Sep 29 '23