Shasta County · Zoning · R-M
Shasta County R-M zoning: height, setbacks and lot size
In Shasta County's R-M zone, generally buildings can be up to 30 ft tall, the front setback is 20 ft and the minimum lot size is 4,356 sq ft, with the conditions listed below (Shasta County code, read October 2026).
Key points
- Maximum building height: 30 ft (main building)
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft on one side; 12 ft on the opposite side
- Minimum rear setback: 15 ft
- Minimum lot size: 4,356 sq ft (interior lot)
R-M (ONE-FAMILY MOBILE HOME (R-M) DISTRICT) is a zoning district in Shasta County. Every value below was read from the Shasta County 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 | 30 ft Applies: main building § 17.32.060 · code text1. Main building, thirty feet; |
|---|---|
| Minimum front setback | 20 ft § 17.32.060 · code text1. Front, twenty feet; |
| Minimum side setback | 5 ft on one side; 12 ft on the opposite side § 17.32.060 · code text2. Side, five feet on one side and twelve feet on the opposite side (Note: The minimum side yards required for any lot created prior to June 7, 1978 are five feet on each side); |
| Minimum rear setback | 15 ft § 17.32.060 · code text3. Rear, fifteen feet; |
| Minimum lot size | 4,356 sq ft Applies: interior lot § 17.32.060 · code text1. Interior lot, 4,356 square feet; |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-M:
- Minimum side setback: 5 ft on each side — lot created prior to June 7, 1978 § 17.32.060
- Minimum lot size: 5,000 sq ft — corner lot § 17.32.060
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for R-M in the zoning tables we read. The code may still set one elsewhere — check the Shasta County Municipal Code.
Other Shasta County zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Shasta County's R-M zone?
30 ft (main building) — Shasta County Municipal Code § 17.32.060.
What is the minimum front setback in Shasta County's R-M zone?
20 ft — Shasta County Municipal Code § 17.32.060.
What is the minimum side setback in Shasta County's R-M zone?
5 ft on one side; 12 ft on the opposite side — Shasta County Municipal Code § 17.32.060.
What is the minimum rear setback in Shasta County's R-M zone?
15 ft — Shasta County Municipal Code § 17.32.060.
What is the minimum lot size in Shasta County's R-M zone?
4,356 sq ft (interior lot) — Shasta County Municipal Code § 17.32.060.
General information, not legal advice.
Ask about a Shasta County property in R-M
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question