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Dixon · Zoning · RM

Dixon RM zoning: height, setbacks and lot size

In Dixon's RM zone, buildings can be up to 38 ft tall, the front setback is 20 ft and the minimum lot size is 8,000 sq ft (Dixon code, read October 2026).

Key points

  • Maximum building height: 38 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 10 ft
  • Minimum rear setback: 15 ft for lots less than 75 feet deep; 20% of lot depth for lots 75 to 125 feet deep; 25 ft for lots 125 or more feet deep (varies by lot depth)
  • Minimum lot size: 8,000 sq ft
  • Maximum lot coverage: 60%
  • Maximum density: 22 dwelling units/acre

RM is a zoning district in Dixon. Every value below was read from the Dixon 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 RM

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
38 ft
§ 18.04.030 · code text
Table row “Maximum Height (ft)”, column “RM”: 38
Minimum front setback
20 ft
§ 18.04.030 · code text
Table row “Front”, column “RM”: 20
Minimum side setback
10 ft
§ 18.04.030 · code text
Table row “Side”, column “RM”: 10, except as provided below for narrow lots and corner lots
Minimum rear setback
15 ft for lots less than 75 feet deep; 20% of lot depth for lots 75 to 125 feet deep; 25 ft for lots 125 or more feet deep
Applies: varies by lot depth
§ 18.04.030 · code text
Table row “Rear”, column “RM”: Lots less than 75 feet deep: 15 Lots 75 to 125 feet deep: 20% of lot depth Lots 125 or more feet deep: 25
Minimum lot size
8,000 sq ft
§ 18.04.030 · code text
Table row “Minimum Lot Size (sq ft)”, column “RM”: 8,000
Maximum lot coverage
60%
§ 18.04.030 · code text
Table row “Maximum Lot Coverage (% of lot)”, column “RM”: 60
Maximum density
22 dwelling units/acre
§ 18.04.030 · code text
Table row “Maximum”, column “RM”: 22

Uses in RM

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

When a different number applies

The code sets other values for particular lots, buildings or locations in RM:

  • Minimum side setback: 5 ft — lots less than 50 feet wide § 18.04.030
  • Minimum side setback: 10 ft interior side; 15 ft street side — corner lots § 18.04.030

Not on this page

We did not find a general stories, FAR limit for RM in the zoning tables we read. The code may still set one elsewhere — check the Dixon Municipal Code.

Other Dixon zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Dixon's RM zone?

38 ft — Dixon Municipal Code § 18.04.030.

What is the minimum front setback in Dixon's RM zone?

20 ft — Dixon Municipal Code § 18.04.030.

What is the minimum side setback in Dixon's RM zone?

10 ft — Dixon Municipal Code § 18.04.030.

What is the minimum rear setback in Dixon's RM zone?

15 ft for lots less than 75 feet deep; 20% of lot depth for lots 75 to 125 feet deep; 25 ft for lots 125 or more feet deep (varies by lot depth) — Dixon Municipal Code § 18.04.030.

What is the minimum lot size in Dixon's RM zone?

8,000 sq ft — Dixon Municipal Code § 18.04.030.

General information, not legal advice.

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