Folsom · Zoning · R-3
Folsom R-3 zoning: height, setbacks and lot size
In Folsom's R-3 zone, generally buildings can be up to 35 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is 6,000 sq ft, with the conditions listed below (Folsom code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 2 stories
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft on one side and 10 ft on the other side (corner lot street side: 20% of lot width, need not exceed 15 ft, but not less than 10 ft, measured from the building overhang)
- Minimum rear setback: 20% of lot depth, min 10 ft, max 20 ft (measured from the overhang of the building)
- Minimum lot size: 6,000 sq ft (interior lots)
- Maximum lot coverage: 50% (main building)
R-3 (NEIGHBORHOOD APARTMENT DISTRICT) is a zoning district in Folsom. Every value below was read from the Folsom 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-3
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 § 17.16.120 · code textThe building height limit is two stories, but not to exceed thirty-five feet. |
|---|---|
| Maximum number of stories | 2 stories § 17.16.120 · code textThe building height limit is two stories, but not to exceed thirty-five feet. |
| Minimum front setback | 20 ft § 17.16.070 · code textThe front yard requirement is twenty feet. |
| Minimum side setback | 5 ft on one side and 10 ft on the other side Applies: corner lot street side: 20% of lot width, need not exceed 15 ft, but not less than 10 ft, measured from the building overhang § 17.16.080 · code textThe side yard requirement is five feet on one side of the lot and ten feet on the other side of the lot at the option of the owner, developer or subdivider, except the side yard on the street side of each corner lot shall be not less than twenty percent of the lot width, but need not exceed fifteen feet; however, it cannot be less than ten feet as measured from the overhang of the building. |
| Minimum rear setback | 20% of lot depth, min 10 ft, max 20 ft Applies: measured from the overhang of the building § 17.16.090 · code textRear yard requirement is twenty percent of lot depth; may not be less than ten feet, need not exceed twenty feet as measured from the overhang of the building. |
| Minimum lot size | 6,000 sq ft Applies: interior lots § 17.16.040 · code textLot area requirements are six thousand square feet for interior lots; seven thousand five hundred square feet for corner lots. |
| Maximum lot coverage | 50% Applies: main building § 17.16.060 · code textThe maximum main building coverage requirement is fifty percent of lot area. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-3:
- Minimum side setback: 20% of lot width, max 15 ft, but not less than 10 ft — street side of each corner lot; measured from the overhang of the building § 17.16.080
- Minimum lot size: 7,500 sq ft — corner lots § 17.16.040
Not on this page
We did not find a general FAR, density limit for R-3 in the zoning tables we read. The code may still set one elsewhere — check the Folsom Municipal Code.
Other Folsom zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Folsom's R-3 zone?
35 ft — Folsom Municipal Code § 17.16.120.
What is the maximum number of stories in Folsom's R-3 zone?
2 stories — Folsom Municipal Code § 17.16.120.
What is the minimum front setback in Folsom's R-3 zone?
20 ft — Folsom Municipal Code § 17.16.070.
What is the minimum side setback in Folsom's R-3 zone?
5 ft on one side and 10 ft on the other side (corner lot street side: 20% of lot width, need not exceed 15 ft, but not less than 10 ft, measured from the building overhang) — Folsom Municipal Code § 17.16.080.
What is the minimum rear setback in Folsom's R-3 zone?
20% of lot depth, min 10 ft, max 20 ft (measured from the overhang of the building) — Folsom Municipal Code § 17.16.090.
General information, not legal advice.
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