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Ojai · Zoning · R-O-4

Ojai R-O-4 zoning: height, setbacks and lot size

In Ojai's R-O-4 zone, generally buildings can be up to 25 ft (2 stories) tall, the front setback is 40 ft and the minimum lot size is 4 acres, with the conditions listed below (Ojai code, read October 2026).

Key points

  • Maximum building height: 25 ft
  • Maximum number of stories: 2 stories
  • Minimum front setback: 40 ft
  • Minimum side setback: 25 ft
  • Minimum rear setback: 25 ft
  • Minimum lot size: 4 acres (new parcels)
  • Maximum density: 1 unit per 4 acres

R-O-4 is a zoning district in Ojai. Every value below was read from the Ojai 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-O-4

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
25 ft
See notes 7, 10, 11 below the table in the code.
§ 10-2.404 · code text
Table row “Height limit (7)”, column “R-O-4”: 25 ft, 2 stories (10)(11)
Note 7: Maximum allowed height of structures. See also Section 10-2.803 (Height measurement and exceptions).
Note 10: Additional height up to 30 feet may be approved in accordance with Article 20 of Chapter 2 (Design Review Permits).
Note 11: No building in these zones shall exceed the height limitations imposed for the protection and enhancement of solar access by Section 10-2.405 .
Maximum number of stories
2 stories
See notes 7, 10, 11 below the table in the code.
§ 10-2.404 · code text
Table row “Height limit (7)”, column “R-O-4”: 25 ft, 2 stories (10)(11)
Note 7: Maximum allowed height of structures. See also Section 10-2.803 (Height measurement and exceptions).
Note 10: Additional height up to 30 feet may be approved in accordance with Article 20 of Chapter 2 (Design Review Permits).
Note 11: No building in these zones shall exceed the height limitations imposed for the protection and enhancement of solar access by Section 10-2.405 .
Minimum front setback
40 ft
See note 3 below the table in the code.
§ 10-2.404 · code text
Table row “Front (3)”, column “R-O-4”: 40 ft
Note 3: Measured from the inside edge of the sidewalk adjacent to the front lot line or from the front lot line, whichever is greater.
Minimum side setback
25 ft
See note 4 below the table in the code.
§ 10-2.404 · code text
Table row “Sides (each) (4)”, column “R-O-4”: 25 ft
Note 4: One of the required side yard setbacks shall be graded to provide access to the rear yard.
Minimum rear setback
25 ft
§ 10-2.404 · code text
Table row “Rear”, column “R-O-4”: 25 ft
Minimum lot size
4 acres
Applies: new parcels
§ 10-2.404 · code text
Table row “Area”, column “R-O-4”: 4 acres
Maximum density
1 unit per 4 acres
See note 2 below the table in the code.
§ 10-2.404 · code text
Table row “Maximum density (2)”, column “R-O-4”: 1 du/4 acres
Note 2: Maximum number of dwellings allowed per gross acre in a single-family subdivision or multi-family project.

When a different number applies

The code sets other values for particular lots, buildings or locations in R-O-4:

  • Maximum building height: 30 ft — Additional height may be approved in accordance with Article 20 of Chapter 2 (Design Review Permits). § 10-2.404

Not on this page

We did not find a general lot coverage, FAR limit for R-O-4 in the zoning tables we read. The code may still set one elsewhere — check the Ojai Municipal Code.

Other Ojai zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Ojai's R-O-4 zone?

25 ft — Ojai Municipal Code § 10-2.404.

What is the maximum number of stories in Ojai's R-O-4 zone?

2 stories — Ojai Municipal Code § 10-2.404.

What is the minimum front setback in Ojai's R-O-4 zone?

40 ft — Ojai Municipal Code § 10-2.404.

What is the minimum side setback in Ojai's R-O-4 zone?

25 ft — Ojai Municipal Code § 10-2.404.

What is the minimum rear setback in Ojai's R-O-4 zone?

25 ft — Ojai Municipal Code § 10-2.404.

General information, not legal advice.

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