Santa Ana · Zoning · R1
Santa Ana R1 zoning: height, setbacks and lot size
In Santa Ana's R1 zone, buildings can be up to 27 ft (2 stories) tall and the minimum lot size is 6,000 sq ft (Santa Ana code, read October 2026).
Key points
- Maximum building height: 27 ft
- Maximum number of stories: 2 stories
- Minimum side setback: 5 ft
- Minimum rear setback: 20 ft
- Minimum lot size: 6,000 sq ft
- Maximum lot coverage: 35%
R1 (Single-Family Residence) is a zoning district in Santa Ana. Every value below was read from the Santa Ana 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 R1
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 | 27 ft § 41-233 · code textNo primary structure shall exceed twenty-seven (27) feet nor two (2) stories in height, as measured from the lowest adjacent grade of the structure to the top of the structure. |
|---|---|
| Maximum number of stories | 2 stories § 41-233 · code textNo primary structure shall exceed twenty-seven (27) feet nor two (2) stories in height, as measured from the lowest adjacent grade of the structure to the top of the structure. |
| Minimum side setback | 5 ft § 41-235 · code textEach side yard shall be not less than five (5) feet for each building. |
| Minimum rear setback | 20 ft § 41-236 · code textThere shall be a rear yard setback of not less than twenty (20) feet. This section shall not apply to permitted accessory dwelling units. |
| Minimum lot size | 6,000 sq ft § 41-237 · code textThe minimum size of lots in the R1 district is six thousand (6,000) square feet. |
| Maximum lot coverage | 35% § 41-238 · code textNo more than thirty-five (35) per cent of a lot in the R1 district shall be covered by structures. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R1:
Not on this page
We did not find a general front setback, FAR, density limit for R1 in the zoning tables we read. The code may still set one elsewhere — check the Santa Ana Municipal Code.
Other Santa Ana zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Santa Ana's R1 zone?
27 ft — Santa Ana Municipal Code § 41-233.
What is the maximum number of stories in Santa Ana's R1 zone?
2 stories — Santa Ana Municipal Code § 41-233.
What is the minimum side setback in Santa Ana's R1 zone?
5 ft — Santa Ana Municipal Code § 41-235.
What is the minimum rear setback in Santa Ana's R1 zone?
20 ft — Santa Ana Municipal Code § 41-236.
What is the minimum lot size in Santa Ana's R1 zone?
6,000 sq ft — Santa Ana Municipal Code § 41-237.
General information, not legal advice.
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