Riverside County · Zoning · MU
Riverside County MU zoning: height, setbacks and lot size
In Riverside County's MU zone, generally buildings can be up to 75 ft tall, the front setback is None required and the minimum lot size is No minimum, with the conditions listed below (Riverside County code, read October 2026).
Key points
- Maximum building height: 75 ft
- Minimum front setback: None required (25 ft for one-family dwellings or associated structures)
- Minimum side setback: None required
- Minimum rear setback: None required
- Minimum lot size: No minimum
MU (Mixed Use) is a zoning district in Riverside County. Every value below was read from the Riverside 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 MU
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 | 75 ft § 17.94.030 · code textThe maximum height of any buildings or structures shall be no greater than seventy-five (75) feet. |
|---|---|
| Minimum front setback | None required Applies: 25 ft for one-family dwellings or associated structures § 17.94.030 · code textThere is no front setback requirement, except for one-family dwellings or associated structure(s), which shall have a minimum front setback of no less than twenty-five (25) feet. |
| Minimum side setback | None required § 17.94.030 · code textThere is no side setback requirement, except for the following: |
| Minimum rear setback | None required § 17.94.030 · code textThere is no rear setback requirement, except for the following: |
| Minimum lot size | No minimum § 17.94.030 · code textThere is no minimum lot size. |
When a different number applies
The code sets other values for particular lots, buildings or locations in MU:
- Minimum front setback: 25 ft — One-family dwellings or associated structure(s) § 17.94.030
- Minimum side setback: 5 ft — One-family dwellings or associated structure(s) § 17.94.030
- Minimum side setback: 5 ft — Lots zoned MU that abut lots zoned R-R, R-A, R-1, or R-1-A § 17.94.030
- Minimum rear setback: 15 ft — One-family dwellings or associated structure(s) § 17.94.030
- Minimum rear setback: 15 ft — Lots zoned MU that abut lots zoned R-R, R-A, R-1, or R-1-A § 17.94.030
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for MU in the zoning tables we read. The code may still set one elsewhere — check the Riverside County Municipal Code.
Other Riverside County zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Riverside County's MU zone?
75 ft — Riverside County Municipal Code § 17.94.030.
What is the minimum front setback in Riverside County's MU zone?
None required (25 ft for one-family dwellings or associated structures) — Riverside County Municipal Code § 17.94.030.
What is the minimum side setback in Riverside County's MU zone?
None required — Riverside County Municipal Code § 17.94.030.
What is the minimum rear setback in Riverside County's MU zone?
None required — Riverside County Municipal Code § 17.94.030.
What is the minimum lot size in Riverside County's MU zone?
No minimum — Riverside County Municipal Code § 17.94.030.
General information, not legal advice.
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