Can you build an ADU in Northridge, Los Angeles?

Yes — about 90% of Northridge's roughly 12,948 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 Northridge

Lots analyzed
12,948
Likely eligible
90%
Typical max size
1,200 sq ft
Median lot
10,188 sq ft

Typical zoning in Northridge

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

ZoneLotsADU outlook
RA4,328Allowed
RS3,994Allowed
R11,347Allowed
RE111,060Allowed
R3415Allowed

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).

Northridge ADU questions

In most of Northridge, yes. About 90% 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

Pacific PalisadesPacoimaPalmsPanorama CityPico-RobertsonPico-UnionPlaya del ReyPlaya Vista

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