Mount Shasta · Zoning · R-1-U
Mount Shasta R-1-U zoning: height, setbacks and lot size
In Mount Shasta's R-1-U zone, generally buildings can be up to 35 ft tall, the front setback is 10 ft and the minimum lot size is 4,500 sq ft, with the conditions listed below (Mount Shasta code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 10 ft
- Minimum side setback: 4 ft minimum on one side; combined side yards not less than 10 ft
- Minimum lot size: 4,500 sq ft (Internal parcel)
- Maximum lot coverage: 50%
R-1-U is a zoning district in Mount Shasta. Every value below was read from the Mount Shasta 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-1-U
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 § 18.16.020 · code textMaximum building height: 35 feet. |
|---|---|
| Minimum front setback | 10 ft § 18.16.020 · code textGarage with garage door facing interior side lot line: 10 feet. |
| Minimum side setback | 4 ft minimum on one side; combined side yards not less than 10 ft § 18.16.020 · code textSide: The combined side yards shall not be less than 10 feet with a minimum side yard on one side of four feet. |
| Minimum lot size | 4,500 sq ft Applies: Internal parcel § 18.16.020 · code textInternal parcel: 4,500 square feet. |
| Maximum lot coverage | 50% § 18.16.020 · code textMaximum lot coverage: 50 percent. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-1-U:
- Minimum front setback: 20 ft — Garage with garage door facing street § 18.16.020
- Minimum side setback: 10 ft — Corner lots, street side § 18.16.020
- Minimum lot size: 5,000 sq ft — External (corner) § 18.16.020
- Maximum density: 1 unit per 4,500 sq ft — Cluster or similar development pattern § 18.16.020
Not on this page
We did not find a general stories, rear setback, FAR, density limit for R-1-U in the zoning tables we read. The code may still set one elsewhere — check the Mount Shasta Municipal Code.
Other Mount Shasta zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Mount Shasta's R-1-U zone?
35 ft — Mount Shasta Municipal Code § 18.16.020.
What is the minimum front setback in Mount Shasta's R-1-U zone?
10 ft — Mount Shasta Municipal Code § 18.16.020.
What is the minimum side setback in Mount Shasta's R-1-U zone?
4 ft minimum on one side; combined side yards not less than 10 ft — Mount Shasta Municipal Code § 18.16.020.
What is the minimum lot size in Mount Shasta's R-1-U zone?
4,500 sq ft (internal parcel) — Mount Shasta Municipal Code § 18.16.020.
What is the maximum lot coverage in Mount Shasta's R-1-U zone?
50% — Mount Shasta Municipal Code § 18.16.020.
General information, not legal advice.
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