Hermosa Beach · Zoning · O-S
Hermosa Beach O-S zoning: height, setbacks and lot size
In Hermosa Beach's O-S zone, generally buildings can be up to 25 ft (2 stories) tall and the front setback is 20 ft, with the conditions listed below (Hermosa Beach code, read October 2026).
Key points
- Maximum building height: 25 ft (Whichever is less: two stories or 25 feet)
- Maximum number of stories: 2 stories (Whichever is less: two stories or 25 feet)
- Minimum front setback: 20 ft
- Minimum side setback: 20 ft
- Minimum rear setback: 20 ft
- Maximum lot coverage: 10%
O-S (Open Space Zone) is a zoning district in Hermosa Beach. Every value below was read from the Hermosa Beach 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 O-S
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.
| Maximum building height | 25 ft Applies: Whichever is less: two stories or 25 feet § 17.30.040 · code textNo building shall exceed a height of two stories or twenty-five (25) feet above the existing or finished grade, whichever is less. |
|---|---|
| Maximum number of stories | 2 stories Applies: Whichever is less: two stories or 25 feet § 17.30.040 · code textNo building shall exceed a height of two stories or twenty-five (25) feet above the existing or finished grade, whichever is less. |
| Minimum front setback | 20 ft § 17.30.060 · code textAll structures shall be set back from all lot lines not less than twenty (20) feet. |
| Minimum side setback | 20 ft § 17.30.060 · code textAll structures shall be set back from all lot lines not less than twenty (20) feet. |
| Minimum rear setback | 20 ft § 17.30.060 · code textAll structures shall be set back from all lot lines not less than twenty (20) feet. |
| Maximum lot coverage | 10% § 17.30.030 · code textMaximum building coverage of land area in the O-S zone shall not exceed ten percent. |
Not on this page
We did not find a general lot size, FAR, density limit for O-S in the zoning tables we read. The code may still set one elsewhere — check the Hermosa Beach Municipal Code.
Other Hermosa Beach zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Hermosa Beach's O-S zone?
25 ft (whichever is less: two stories or 25 feet) — Hermosa Beach Municipal Code § 17.30.040.
What is the maximum number of stories in Hermosa Beach's O-S zone?
2 stories (whichever is less: two stories or 25 feet) — Hermosa Beach Municipal Code § 17.30.040.
What is the minimum front setback in Hermosa Beach's O-S zone?
20 ft — Hermosa Beach Municipal Code § 17.30.060.
What is the minimum side setback in Hermosa Beach's O-S zone?
20 ft — Hermosa Beach Municipal Code § 17.30.060.
What is the minimum rear setback in Hermosa Beach's O-S zone?
20 ft — Hermosa Beach Municipal Code § 17.30.060.
General information, not legal advice.
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