Can you build an ADU in Tarzana, Los Angeles?

Yes — about 91% of Tarzana's roughly 9,479 analyzed single-family lots can add an ADU by-right. Most are zoned RA, 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 Tarzana

Lots analyzed
9,479
Likely eligible
91%
Typical max size
1,200 sq ft
Median lot
13,339 sq ft

Typical zoning in Tarzana

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

ZoneLotsADU outlook
RA4,539Allowed
R13,100Allowed
RE11437Allowed
C2387Needs review
PF207Not 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).

Tarzana ADU questions

In most of Tarzana, yes. About 91% of its analyzed single-family lots can add an accessory dwelling unit by-right, most commonly on RA-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

Toluca LakeTujungaUniversity ParkValley GlenValley VillageVan NuysVeniceVermont Knolls

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