Riverside · Zoning · MU-N
Riverside MU-N zoning: height, setbacks and lot size
In Riverside's MU-N zone, generally buildings can be up to 35 ft tall, the front setback is 15 ft and the minimum lot size is 7,000 sq. ft., with the conditions listed below (Riverside code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 15 ft
- Minimum side setback: 0 ft
- Minimum rear setback: 15 ft (25 ft next to a residential zone; with an alley at the rear, measured from the alley centerline)
- Minimum lot size: 7,000 sq. ft. (Applies to newly created lots or parcels only.)
- Maximum floor area ratio (FAR): 1.0
- Maximum density: 10 du/ac
MU-N is a zoning district in Riverside. Every value below was read from the Riverside 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-N
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 § 19.120.040 · code textTable row “Building Height - Maximum”, column “MU-N”: 35 ft. |
|---|---|
| Minimum front setback | 15 ft § 19.120.040 · code textTable row “Front Yard Setback - Minimum”, column “MU-N”: 15 ft. |
| Minimum side setback | 0 ft § 19.120.040 · code textTable row “Side Yard Setback - Minimum”, column “MU-N”: 0 ft. |
| Minimum rear setback | 15 ft Applies: 25 ft next to a residential zone; with an alley at the rear, measured from the alley centerline § 19.120.040 · code textTable row “Rear Yard Setback - Minimum”, column “MU-N”: 15 ft. |
| Minimum lot size | 7,000 sq. ft. Applies: Applies to newly created lots or parcels only. § 19.120.040 · code textTable row “Lot Area - Minimum”, column “MU-N”: 7,000 sq. ft. |
| Maximum floor area ratio (FAR) | 1.0 § 19.120.040 · code textTable row “FAR - Maximum”, column “MU-N”: 1.0 |
| Maximum density | 10 du/ac § 19.120.040 · code textTable row “Residential Density - Maximum (Gross)”, column “MU-N”: 10 du/ac |
When a different number applies
The code sets other values for particular lots, buildings or locations in MU-N:
- Minimum side setback: 10 ft — when adjacent to a residential zone § 19.120.040
- Minimum rear setback: 25 ft — when adjacent to a residential zone § 19.120.040
Not on this page
We did not find a general stories, lot coverage limit for MU-N in the zoning tables we read. The code may still set one elsewhere — check the Riverside Municipal Code.
Other Riverside zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Riverside's MU-N zone?
35 ft — Riverside Municipal Code § 19.120.040.
What is the minimum front setback in Riverside's MU-N zone?
15 ft — Riverside Municipal Code § 19.120.040.
What is the minimum side setback in Riverside's MU-N zone?
0 ft — Riverside Municipal Code § 19.120.040.
What is the minimum rear setback in Riverside's MU-N zone?
15 ft (25 ft next to a residential zone; with an alley at the rear, measured from the alley centerline) — Riverside Municipal Code § 19.120.040.
What is the minimum lot size in Riverside's MU-N zone?
7,000 sq. ft. (applies to newly created lots or parcels only) — Riverside Municipal Code § 19.120.040.
General information, not legal advice.
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