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Colusa · Zoning · M-U-B

Colusa M-U-B zoning: height, setbacks and lot size

In Colusa's M-U-B zone, generally buildings can be up to 35 ft tall, the front setback is 5 ft and the minimum lot size is 9,600 sq ft, with the conditions listed below (Colusa code, read October 2026).

Key points

  • Maximum building height: 35 ft (Bridge Street Corridor)
  • Minimum front setback: 5 ft (Bridge Street Corridor)
  • Minimum side setback: 5 ft (Interior side yard; Bridge Street Corridor and Hwy 20 Corridor)
  • Minimum rear setback: 5 ft (Bridge Street Corridor and Hwy 20 Corridor)
  • Minimum lot size: 9,600 sq ft (Bridge Street Corridor)
  • Maximum floor area ratio (FAR): 1.0 (The code range is 0.35 to 1.0.)

M-U-B (Bridge Street Mixed-Use District) is a zoning district in Colusa. Every value below was read from the Colusa 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 M-U-B

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
Applies: Bridge Street Corridor
§ 44.03 · code text
Table row “h) Building height limit”, column “Bridge Street Corridor”: 35 feet
Minimum front setback
5 ft
Applies: Bridge Street Corridor
§ 44.03 · code text
Table row “d) Front yard setback”, column “Bridge Street Corridor”: 5 feet
Minimum side setback
5 ft
Applies: Interior side yard; Bridge Street Corridor and Hwy 20 Corridor
§ 44.03 · code text
Table row “e) Side yard setback (interior)”, column “Bridge Street Corridor”: 5 feet
Minimum rear setback
5 ft
Applies: Bridge Street Corridor and Hwy 20 Corridor
§ 44.03 · code text
Table row “g) Rear yard setback”, column “Bridge Street Corridor”: 5 feet
Minimum lot size
9,600 sq ft
Applies: Bridge Street Corridor
§ 44.03 · code text
Table row “a) Lot area”, column “Bridge Street Corridor”: 9,600 sq. ft.
Maximum floor area ratio (FAR)
1.0
Applies: The code range is 0.35 to 1.0.
§ 44.06 · code text
The FAR shall range from 0.35 to a maximum of 1.0.

When a different number applies

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

  • Maximum building height: 50 ft — Hwy 20 Corridor § 44.03
  • Minimum front setback: 15 ft — Hwy 20 Corridor § 44.03
  • Minimum lot size: 1 acre — Hwy 20 Corridor § 44.03

Not on this page

We did not find a general stories, lot coverage, density limit for M-U-B in the zoning tables we read. The code may still set one elsewhere — check the Colusa Municipal Code.

Other Colusa zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Colusa's M-U-B zone?

35 ft (bridge Street Corridor) — Colusa Municipal Code § 44.03.

What is the minimum front setback in Colusa's M-U-B zone?

5 ft (bridge Street Corridor) — Colusa Municipal Code § 44.03.

What is the minimum side setback in Colusa's M-U-B zone?

5 ft (interior side yard; Bridge Street Corridor and Hwy 20 Corridor) — Colusa Municipal Code § 44.03.

What is the minimum rear setback in Colusa's M-U-B zone?

5 ft (bridge Street Corridor and Hwy 20 Corridor) — Colusa Municipal Code § 44.03.

What is the minimum lot size in Colusa's M-U-B zone?

9,600 sq ft (bridge Street Corridor) — Colusa Municipal Code § 44.03.

General information, not legal advice.

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