Rohnert Park R-M zoning: height, setbacks and lot size

R-M is a zoning district in Rohnert Park. Every value below was read from the Rohnert Park 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	35 ft § 17.10.020 · code text Table row “R-M”, column “Primary (3)”: 35
Minimum front setback	20 ft § 17.10.020 · code text Table row “R-M”, column “Minimum Front Yard Setback (Feet) (5)”: 20
Minimum side setback	5 ft Applies: Interior side yard; may be eliminated for attached dwelling units if building code requirements can be met § 17.10.020 · code text Table row “R-M”, column “Interior”: 5 (10)
Minimum rear setback	20 ft § 17.10.020 · code text Table row “R-M”, column “Minimum Rear Yard Setback (Feet)”: 20 (13)
Minimum lot size	3,700 sq ft See note 1 below the table in the code. § 17.10.020 · code text Table row “R-M”, column “Minimum Lot Size (Sq. Ft.) (1)”: 3,700 Note 1: The lot minimums listed do not apply to the condominium parcelization of a project where land is being divided for individual building envelopes. Further, for lots within subdivisions approved prior to January 2003, the minimum lot size shall be that shown on the approved subdivision map.
Maximum lot coverage	40% § 17.10.020 · code text Table row “R-M”, column “Maximum Lot Coverage (Percent)”: 40
Maximum floor area ratio (FAR)	0.55 § 17.10.020 · code text Table row “R-M”, column “Maximum Floor Area Ratio (FAR) Factor”: 0.55 (18)
Maximum density	12.0 units/acre § 17.10.020 · code text Table row “R-M”, column “Maximum Residential Density (Units/Acre)”: 12.0

Uses in R-M

Uses the code's use tables allow in R-M, or allow with a permit. Each links to its page with the code section.

Duplex — Allowed
Child care center — Needs a conditionally permitted by planning commission

When a different number applies

The code sets other values for particular lots, buildings or locations in R-M:

Minimum side setback: 10 ft — Corner side yard § 17.10.020
Minimum rear setback: 10 ft — One-story building additions no wider than 50% of the buildable width of the lot § 17.10.020

Not on this page

We did not find a general stories limit for R-M in the zoning tables we read. The code may still set one elsewhere — check the Rohnert Park Municipal Code.

Other Rohnert Park zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Rohnert Park's R-M zone?

35 ft — Rohnert Park Municipal Code § 17.10.020.

What is the minimum front setback in Rohnert Park's R-M zone?

20 ft — Rohnert Park Municipal Code § 17.10.020.

What is the minimum side setback in Rohnert Park's R-M zone?

5 ft (interior side yard; may be eliminated for attached dwelling units if building code requirements can be met) — Rohnert Park Municipal Code § 17.10.020.

What is the minimum rear setback in Rohnert Park's R-M zone?

20 ft — Rohnert Park Municipal Code § 17.10.020.

What is the minimum lot size in Rohnert Park's R-M zone?

3,700 sq ft — Rohnert Park Municipal Code § 17.10.020.

General information, not legal advice.