Folsom · Zoning · R-M
Folsom R-M zoning: height, setbacks and lot size
In Folsom's R-M zone, generally buildings can be up to 50 ft (4 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: 50 ft
- Maximum number of stories: 4 stories
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft (Other side of the lot; the other side must be at least 11 feet)
- Minimum rear setback: 20% of average lot depth, min 10 ft, max 20 ft
- Minimum lot size: 6,000 sq ft (Interior lots)
- Maximum lot coverage: 60%
- Maximum density: 1 unit per 1,700 sq ft (Per dwelling unit or guest room)
R-M (Residential, Multifamily Dwelling 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-M
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 | 50 ft § 17.17.120 · code textBuilding height limit requirement is four stories, but not to exceed fifty feet. |
|---|---|
| Maximum number of stories | 4 stories § 17.17.120 · code textBuilding height limit requirement is four stories, but not to exceed fifty feet. |
| Minimum front setback | 20 ft § 17.17.040 · code textThere shall be a front yard of not less than twenty feet. |
| Minimum side setback | 5 ft Applies: Other side of the lot; the other side must be at least 11 feet § 17.17.050 · code textThere shall be a side yard of not less than eleven feet on one side of the lot and not less than five feet on the other side of the lot, except that the side yard on the street side of each corner lot shall be not less than sixteen feet. |
| Minimum rear setback | 20% of average lot depth, min 10 ft, max 20 ft § 17.17.060 · code textThere shall be a rear yard of not less than twenty percent of the average lot depth and need not exceed twenty feet but shall not be less than ten feet. |
| Minimum lot size | 6,000 sq ft Applies: Interior lots § 17.17.030 · code textMinimum lot area six thousand square feet for interior lots and seven thousand five hundred square feet for corner lots. |
| Maximum lot coverage | 60% § 17.17.090 · code textMaximum main building coverage is sixty percent of lot area. |
| Maximum density | 1 unit per 1,700 sq ft Applies: Per dwelling unit or guest room § 17.17.030 · code textOne thousand seven hundred square feet or more is required per dwelling unit or guest room. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-M:
- Minimum side setback: 11 ft — One side of the lot § 17.17.050
- Minimum side setback: 16 ft — Street side of each corner lot § 17.17.050
- Minimum lot size: 7,500 sq ft — Corner lots § 17.17.030
Not on this page
We did not find a general FAR limit for R-M 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-M zone?
50 ft — Folsom Municipal Code § 17.17.120.
What is the maximum number of stories in Folsom's R-M zone?
4 stories — Folsom Municipal Code § 17.17.120.
What is the minimum front setback in Folsom's R-M zone?
20 ft — Folsom Municipal Code § 17.17.040.
What is the minimum side setback in Folsom's R-M zone?
5 ft (other side of the lot; the other side must be at least 11 feet) — Folsom Municipal Code § 17.17.050.
What is the minimum rear setback in Folsom's R-M zone?
20% of average lot depth, min 10 ft, max 20 ft — Folsom Municipal Code § 17.17.060.
General information, not legal advice.
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