Can you build an ADU in Shadow Hills, Los Angeles?
Yes — about 88% of Shadow Hills's roughly 5,876 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.
ADU eligibility in Shadow Hills
Typical zoning in Shadow Hills
The most common zones here, by number of analyzed lots. Your parcel’s zone sets which ADU rules apply.
| Zone | Lots | ADU outlook |
|---|---|---|
| RA | 2,102 | Allowed |
| RE40 | 956 | Allowed |
| R1 | 713 | Allowed |
| A1 | 534 | Allowed |
| OS | 448 | Not 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).
Shadow Hills ADU questions
In most of Shadow Hills, yes. About 88% 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.
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