Anaheim · Zoning · RS-4
Anaheim RS-4 zoning: height, setbacks and lot size
In Anaheim's RS-4 zone, generally buildings can be up to 35 feet (2 stories) tall and the front setback is 10 ft, with the conditions listed below (Anaheim code, read October 2026).
Key points
- Maximum building height: 35 feet (35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone)
- Maximum number of stories: 2 stories (35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone)
- Minimum front setback: 10 ft
- Minimum side setback: 5 ft (or 0 ft one side and 10 ft the other, with 10 ft between adjacent structures; 20 ft for three-story structures next to non-single-family use)
- Minimum rear setback: 15 ft (Two- and three-story structures; 10 ft for one story. Three stories within 150 ft of a single-family zone need 55 ft.)
- Maximum lot coverage: 50%
RS-4 (Residential Single-Family) is a zoning district in Anaheim. Every value below was read from the Anaheim 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 RS-4
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 | 35 feet Applies: 35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone § 18.04.070 · code textTable row “RS-4”, column “Maximum Structural Height”: 35 feet/2 stories; 35 feet/3 stories if the structure is located 55 feet or more from the property line of any detached single-family residential use or zone. |
|---|---|
| Maximum number of stories | 2 stories Applies: 35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone § 18.04.070 · code textTable row “RS-4”, column “Maximum Structural Height”: 35 feet/2 stories; 35 feet/3 stories if the structure is located 55 feet or more from the property line of any detached single-family residential use or zone. |
| Minimum front setback | 10 ft § 18.04.100 · code textTable row “Front”, column “Minimum Setbacks”: 10 feet |
| Minimum side setback | 5 ft Applies: or 0 ft one side and 10 ft the other, with 10 ft between adjacent structures; 20 ft for three-story structures next to non-single-family use § 18.04.100 · code textTable row “Side”, column “Minimum Setbacks”: 5 feet from structures to the property line or zero feet on one side, and 10 feet on the other side, provided a minimum of 10 feet is maintained between structures on adjacent lots (the latter requirement provides for zero side yards); 20 feet from three-story structures to the property line adjacent to a non-single family residential use or zone, subject to the Structural Height requirements in § 18.04.070.010. |
| Minimum rear setback | 15 ft Applies: Two- and three-story structures; 10 ft for one story. Three stories within 150 ft of a single-family zone need 55 ft. § 18.04.100 · code textTable row “Rear”, column “Minimum Setbacks”: 10 feet for single-story structures; 15 feet for two and three-story structures; 55 feet for three-story structure within One Hundred Fifty (150) feet of Single- Family Residential Zones. 20 feet from three-story structures to the property line adjacent to a non-single family residential use or zone, subject to the Structural Height requirements in § 18.04.070.010. Setback provisions may be modified pursuant to 18.04.160. |
| Maximum lot coverage | 50% § 18.04.090 · code textTable row “RS-4”, column “Maximum Lot Coverage”: 50%, but may be modified pursuant to 18.04.160 |
When a different number applies
The code sets other values for particular lots, buildings or locations in RS-4:
- Maximum number of stories: 3 stories — if the structure is located 55 feet or more from the property line of any detached single-family residential use or zone § 18.04.070
- Minimum side setback: 0 ft — Zero feet on one side and 10 feet on the other side for the stated development arrangement, provided a minimum of 10 feet is maintained between structures on adjacent lots. § 18.04.100
- Minimum side setback: 10 ft — The opposite side yard in the stated zero-side-yard development arrangement. § 18.04.100
- Minimum side setback: 20 ft — From three-story structures to the property line adjacent to a non-single family residential use or zone, subject to § 18.04.070.010. § 18.04.100
- Minimum rear setback: 10 ft — For single-story structures. § 18.04.100
- Minimum rear setback: 20 ft — From three-story structures to the property line adjacent to a non-single family residential use or zone, subject to § 18.04.070.010. § 18.04.100
Not on this page
We did not find a general lot size, FAR, density limit for RS-4 in the zoning tables we read. The code may still set one elsewhere — check the Anaheim Municipal Code.
Other Anaheim zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Anaheim's RS-4 zone?
35 feet (35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone) — Anaheim Municipal Code § 18.04.070.
What is the maximum number of stories in Anaheim's RS-4 zone?
2 stories (35 ft/3 stories if the structure is 55 ft or more from the property line of any detached single-family residential use or zone) — Anaheim Municipal Code § 18.04.070.
What is the minimum front setback in Anaheim's RS-4 zone?
10 ft — Anaheim Municipal Code § 18.04.100.
What is the minimum side setback in Anaheim's RS-4 zone?
5 ft (or 0 ft one side and 10 ft the other, with 10 ft between adjacent structures; 20 ft for three-story structures next to non-single-family use) — Anaheim Municipal Code § 18.04.100.
What is the minimum rear setback in Anaheim's RS-4 zone?
15 ft (two- and three-story structures; 10 ft for one story. Three stories within 150 ft of a single-family zone need 55 ft) — Anaheim Municipal Code § 18.04.100.
General information, not legal advice.
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