Colfax · Zoning · R-M-1
Colfax R-M-1 zoning: height, setbacks and lot size
In Colfax's R-M-1 zone, generally buildings can be up to 30 ft (2½ stories) tall, the front setback is 10% of parcel depth, max 10 ft and the minimum lot size is 4,500 sq. ft., with the conditions listed below (Colfax code, read October 2026).
Key points
- Maximum building height: 30 ft (The code gives this limit as 2½ stories or 30 ft)
- Maximum number of stories: 2½ stories (The code gives this limit as 2½ stories or 30 ft)
- Minimum front setback: 10% of parcel depth, max 10 ft
- Minimum side setback: 5 ft at ground floor; average 8 ft at second floor
- Minimum rear setback: 10 ft
- Minimum lot size: 4,500 sq. ft.
- Maximum density: 4 to 10 units per gross acre (the code sets a range: at least 4, at most 10)
R-M-1 is a zoning district in Colfax. Every value below was read from the Colfax 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-1
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 | 30 ft Applies: The code gives this limit as 2½ stories or 30 ft See note 1 below the table in the code. The code attaches note 8 to this value. This page does not show it; read the code before relying on the number. § 17.72.030 · code textTable row “Maximum Building Height (8)”, column “R-M-1 (1)”: 2½ stories or 30 ft. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
|---|---|
| Maximum number of stories | 2½ stories Applies: The code gives this limit as 2½ stories or 30 ft See note 1 below the table in the code. The code attaches note 8 to this value. This page does not show it; read the code before relying on the number. § 17.72.030 · code textTable row “Maximum Building Height (8)”, column “R-M-1 (1)”: 2½ stories or 30 ft. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
| Minimum front setback | 10% of parcel depth, max 10 ft See notes 4, 1 below the table in the code. § 17.72.030 · code textTable row “Minimum Front (4)”, column “R-M-1 (1)”: 10 percent of the parcel depth but no more than 10 ft. Note 4: Measured from the nearest element of the mobilehome to the closest edge of the street. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
| Minimum side setback | 5 ft at ground floor; average 8 ft at second floor See notes 4, 1 below the table in the code. § 17.72.030 · code textTable row “Minimum Sides (4)”, column “R-M-1 (1)”: 5 ft. at the ground floor and an average of 8 ft. at the second floor. Note 4: Measured from the nearest element of the mobilehome to the closest edge of the street. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
| Minimum rear setback | 10 ft See note 1 below the table in the code. § 17.72.030 · code textTable row “Minimum Rear”, column “R-M-1 (1)”: 10 ft. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
| Minimum lot size | 4,500 sq. ft. See note 1 below the table in the code. § 17.72.030 · code textTable row “Minimum Parcel Area”, column “R-M-1 (1)”: 4,500 sq. ft. Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
| Maximum density | 4 to 10 units per gross acre Applies: the code sets a range: at least 4, at most 10 See note 1 below the table in the code. § 17.72.030 · code textTable row “Residential Density”, column “R-M-1 (1)”: 4 to 10 units per gross acre Note 1: These requirements shall be observed in the multi-family residence district (R-M), except where increased for conditional uses. All single-family dwellings in the R-M district shall conform to the height, area, lot width and yard requirements specified for the R-1-5 district. |
Not on this page
We did not find a general lot coverage, FAR limit for R-M-1 in the zoning tables we read. The code may still set one elsewhere — check the Colfax Municipal Code.
Other Colfax zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Colfax's R-M-1 zone?
30 ft (the code gives this limit as 2½ stories or 30 ft) — Colfax Municipal Code § 17.72.030. The code attaches notes or conditions to this value; read the section before relying on it.
What is the maximum number of stories in Colfax's R-M-1 zone?
2½ stories (the code gives this limit as 2½ stories or 30 ft) — Colfax Municipal Code § 17.72.030. The code attaches notes or conditions to this value; read the section before relying on it.
What is the minimum front setback in Colfax's R-M-1 zone?
10% of parcel depth, max 10 ft — Colfax Municipal Code § 17.72.030.
What is the minimum side setback in Colfax's R-M-1 zone?
5 ft at ground floor; average 8 ft at second floor — Colfax Municipal Code § 17.72.030.
What is the minimum rear setback in Colfax's R-M-1 zone?
10 ft — Colfax Municipal Code § 17.72.030.
General information, not legal advice.
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