Lake Forest · Zoning · RS
Lake Forest RS zoning: height, setbacks and lot size
In Lake Forest's RS zone, buildings can be up to 35 ft tall, the front setback is 10 ft and the minimum lot size is 7,000 sq ft (Lake Forest code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 10 ft
- Minimum side setback: 10 ft on one side only, or 10 ft total for both sides (Property line not abutting a street; the setback from a street right-of-way line is 10 ft)
- Minimum rear setback: 0 ft (From a property line not abutting a street)
- Minimum lot size: 7,000 sq ft
- Maximum lot coverage: 60%
RS (RS Residential Single-Family District) is a zoning district in Lake Forest. Every value below was read from the Lake Forest 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
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 ft § 9.48.080 · code textB. Building Height. 35 feet maximum except per Section 9.144.020. |
|---|---|
| Minimum front setback | 10 ft § 9.144.030 · code textTable row “RS”, column “Front”: 10 |
| Minimum side setback | 10 ft on one side only, or 10 ft total for both sides Applies: Property line not abutting a street; the setback from a street right-of-way line is 10 ft § 9.144.030 · code textTable row “RS”, column “Side”: 10 |
| Minimum rear setback | 0 ft Applies: From a property line not abutting a street § 9.144.030 · code textTable row “RS”, column “Rear”: 10 |
| Minimum lot size | 7,000 sq ft § 9.48.080 · code textA. Building Site Area. 7,000 square feet minimum except per Section 9.144.020. |
| Maximum lot coverage | 60% § 9.48.080 · code textC. Building Site Coverage. 60% maximum. |
Uses in RS
Uses the code's use tables allow in RS, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Church or place of worship — Needs an use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in RS:
- Minimum rear setback: 10 ft — From a street right-of-way line § 9.144.030
Not on this page
We did not find a general stories, FAR, density limit for RS in the zoning tables we read. The code may still set one elsewhere — check the Lake Forest Municipal Code.
Other Lake Forest zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Lake Forest's RS zone?
35 ft — Lake Forest Municipal Code § 9.48.080.
What is the minimum front setback in Lake Forest's RS zone?
10 ft — Lake Forest Municipal Code § 9.144.030.
What is the minimum side setback in Lake Forest's RS zone?
10 ft on one side only, or 10 ft total for both sides (property line not abutting a street; the setback from a street right-of-way line is 10 ft) — Lake Forest Municipal Code § 9.144.030.
What is the minimum rear setback in Lake Forest's RS zone?
0 ft (from a property line not abutting a street) — Lake Forest Municipal Code § 9.144.030.
What is the minimum lot size in Lake Forest's RS zone?
7,000 sq ft — Lake Forest Municipal Code § 9.48.080.
General information, not legal advice.
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