La Mesa · Zoning · R1R
La Mesa R1R zoning: height, setbacks and lot size
In La Mesa's R1R zone, buildings can be up to 20 ft tall, the front setback is 20 ft and the minimum lot size is 15,000 sq ft (La Mesa code, read October 2026).
Key points
- Maximum building height: 20 ft
- Minimum front setback: 20 ft
- Minimum side setback: 10 ft
- Minimum rear setback: 30 ft
- Minimum lot size: 15,000 sq ft
- Maximum lot coverage: 40%
R1R is a zoning district in La Mesa. Every value below was read from the La Mesa 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 R1R
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 | 20 ft § 24.05.030 · code textTable row “***Structure Height”, column “R1R”: 20′ |
|---|---|
| Minimum front setback | 20 ft § 24.05.030 · code textTable row “Front Setback”, column “R1R”: 20′ |
| Minimum side setback | 10 ft § 24.05.030 · code textTable row “**Side Setback”, column “R1R”: 10′ |
| Minimum rear setback | 30 ft § 24.05.030 · code textTable row “**Rear Setback”, column “R1R”: 30′ |
| Minimum lot size | 15,000 sq ft § 24.05.030 · code textTable row “Area (in sq. ft.)”, column “R1R”: 15,000 |
| Maximum lot coverage | 40% § 24.05.030 · code textTable row “°****Coverage”, column “R1R”: 40% |
Not on this page
We did not find a general stories, FAR, density limit for R1R in the zoning tables we read. The code may still set one elsewhere — check the La Mesa Municipal Code.
Other La Mesa zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in La Mesa's R1R zone?
20 ft — La Mesa Municipal Code § 24.05.030.
What is the minimum front setback in La Mesa's R1R zone?
20 ft — La Mesa Municipal Code § 24.05.030.
What is the minimum side setback in La Mesa's R1R zone?
10 ft — La Mesa Municipal Code § 24.05.030.
What is the minimum rear setback in La Mesa's R1R zone?
30 ft — La Mesa Municipal Code § 24.05.030.
What is the minimum lot size in La Mesa's R1R zone?
15,000 sq ft — La Mesa Municipal Code § 24.05.030.
General information, not legal advice.
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