Hawthorne · Zoning · UOS
Hawthorne UOS zoning: height, setbacks and lot size
In Hawthorne's UOS zone, generally the front setback is 25 ft and the minimum lot size is No minimum, with the conditions listed below (Hawthorne code, read October 2026).
Key points
- Minimum front setback: 25 ft (Measured from each abutting street; the director of planning may approve another depth to keep open space)
- Minimum side setback: None required (Interior lots)
- Minimum rear setback: None required (Interior lots)
- Minimum lot size: No minimum
- Maximum lot coverage: 40% (A conditional use permit can allow more)
UOS (Open Space Zone) is a zoning district in Hawthorne. Every value below was read from the Hawthorne Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in UOS
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Minimum front setback | 25 ft Applies: Measured from each abutting street; the director of planning may approve another depth to keep open space § 17.60.080 · code textEach lot in the UOS zone shall have a yard with a uniform depth of 25 feet from each abutting street, unless otherwise approved by the director of planning for the purpose of maintaining a larger contiguous open space area on the interior portion of a lot. |
|---|---|
| Minimum side setback | None required Applies: Interior lots § 17.60.090 · code textOn interior lots in the UOS zone, there is no required side or rear yard setback. |
| Minimum rear setback | None required Applies: Interior lots § 17.60.090 · code textOn interior lots in the UOS zone, there is no required side or rear yard setback. |
| Minimum lot size | No minimum § 17.60.050 · code textIn the UOS zone, there is no minimum lot area or lot width. |
| Maximum lot coverage | 40% Applies: A conditional use permit can allow more § 17.60.060 · code textIn the UOS zone the maximum lot coverage permitted by buildings and structures, i.e., the area included within the exterior walls and/or supporting columns of all roofed structures, shall not exceed 40% of the lot area unless otherwise approved by a conditional use permit. |
Not on this page
We did not find a general height, stories, FAR, density limit for UOS in the zoning tables we read. The code may still set one elsewhere — check the Hawthorne Municipal Code.
Who this affects
Frequently asked questions
What is the minimum front setback in Hawthorne's UOS zone?
25 ft (measured from each abutting street; the director of planning may approve another depth to keep open space) — Hawthorne Municipal Code § 17.60.080.
What is the minimum side setback in Hawthorne's UOS zone?
None required (interior lots) — Hawthorne Municipal Code § 17.60.090.
What is the minimum rear setback in Hawthorne's UOS zone?
None required (interior lots) — Hawthorne Municipal Code § 17.60.090.
What is the minimum lot size in Hawthorne's UOS zone?
No minimum — Hawthorne Municipal Code § 17.60.050.
What is the maximum lot coverage in Hawthorne's UOS zone?
40% (a conditional use permit can allow more) — Hawthorne Municipal Code § 17.60.060.
General information, not legal advice.
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