Hermosa Beach · Zoning · R-1A
Hermosa Beach R-1A zoning: height, setbacks and lot size
In Hermosa Beach's R-1A zone, generally buildings can be up to 25 ft tall and the minimum lot size is 6,700 sq ft, with the conditions listed below (Hermosa Beach code, read October 2026).
Key points
- Maximum building height: 25 ft
- Minimum side setback: 10% of lot width, min 3 ft, max 5 ft
- Minimum rear setback: 5 ft
- Minimum lot size: 6,700 sq ft (New lots created by subdivision)
- Maximum lot coverage: 65%
R-1A (Two Dwelling Units Per Lot 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 R-1A
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 § 17.10.020 · code textAny building shall not exceed a maximum of twenty-five (25) feet in height. |
|---|---|
| Minimum side setback | 10% of lot width, min 3 ft, max 5 ft § 17.10.020 · code textEvery lot shall have a side yard on each side of the lot equal to ten (10) percent of the width of the lot, provided such side yard shall not be less than three (3) feet in width and need not exceed five (5) feet in width. |
| Minimum rear setback | 5 ft § 17.10.020 · code textEvery lot shall have a rear yard not less than five (5) feet in depth. |
| Minimum lot size | 6,700 sq ft Applies: New lots created by subdivision § 17.10.020 · code textThe minimum area for new lots in the R-1A zone created by subdivision shall be six thousand seven hundred (6,700) square feet. |
| Maximum lot coverage | 65% § 17.10.020 · code textAll buildings, including accessory buildings, shall not cover more than sixty-five (65) percent of the area of the lot. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-1A:
- Minimum rear setback: 3 ft — Second floor § 17.10.020
- Minimum rear setback: 3 ft — Rear yard abuts an alley; first floor § 17.10.020
- Minimum rear setback: 1 ft — Rear yard abuts an alley; second floor § 17.10.020
Not on this page
We did not find a general stories, front setback, FAR, density limit for R-1A 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 R-1A zone?
25 ft — Hermosa Beach Municipal Code § 17.10.020.
What is the minimum side setback in Hermosa Beach's R-1A zone?
10% of lot width, min 3 ft, max 5 ft — Hermosa Beach Municipal Code § 17.10.020.
What is the minimum rear setback in Hermosa Beach's R-1A zone?
5 ft — Hermosa Beach Municipal Code § 17.10.020.
What is the minimum lot size in Hermosa Beach's R-1A zone?
6,700 sq ft (new lots created by subdivision) — Hermosa Beach Municipal Code § 17.10.020.
What is the maximum lot coverage in Hermosa Beach's R-1A zone?
65% — Hermosa Beach Municipal Code § 17.10.020.
General information, not legal advice.
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