Can you build an ADU in Bel-Air, Los Angeles?

Yes — about 99% of Bel-Air's roughly 4,890 analyzed single-family lots can add an ADU by-right. Most are zoned RE15, which typically allows a detached ADU up to about 1,200 sq ft. These are zoning-only estimates; overlays like hillside, coastal, or historic can change the answer, so check your exact address for the rule that applies to your lot.

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ADU eligibility in Bel-Air

Lots analyzed
4,890
Likely eligible
99%
Typical max size
1,200 sq ft
Median lot
14,536 sq ft

Typical zoning in Bel-Air

The most common zones here, by number of analyzed lots. Your parcel’s zone sets which ADU rules apply.

ZoneLotsADU outlook
RE151,988Allowed
RE201,677Allowed
RE40809Allowed
RD6136Allowed
A1103Allowed

Eligibility is zoning-only (zoning-only (overlays excluded; see checker for per-lot verdict)). Ruleset la-2026.06. Neighborhood boundaries: Los Angeles Times / Mapping L.A. (CC BY 4.0).

Bel-Air ADU questions

In most of Bel-Air, yes. About 99% of its analyzed single-family lots can add an accessory dwelling unit by-right, most commonly on RE15-zoned parcels. Your lot's exact answer depends on its zone, size, and any overlays — enter your address to see the rule that applies to you.

ADUs in other LA neighborhoods

Beverly CrestBeverly GroveBeverlywoodBoyle HeightsBrentwoodBroadway-ManchesterCanoga ParkCarthay

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