Can you build an ADU in Pico-Union, Los Angeles?

Yes — about 59% of Pico-Union's roughly 5,071 analyzed single-family lots can add an ADU by-right. Most are zoned RD1.5, 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.

ADU eligibility in Pico-Union

Lots analyzed
5,071
Likely eligible
59%
Typical max size
1,200 sq ft
Median lot
5,906 sq ft

Typical zoning in Pico-Union

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

ZoneLotsADU outlook
RD1.51,577Allowed
C2934Needs review
R3767Allowed
R4584Allowed
PF387Not allowed

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).

Pico-Union ADU questions

In most of Pico-Union, yes. About 59% of its analyzed single-family lots can add an accessory dwelling unit by-right, most commonly on RD1.5-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

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