Oxnard R-4 zoning: height, setbacks and lot size

R-4 is a zoning district in Oxnard. Every value below was read from the Oxnard 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-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	45 ft § 16-23 · code text Table row “Height permitted”, column “R-4”: Four stories up to 45 ft.* See Section 16-24 for additional requirements
Maximum number of stories	4 stories § 16-23 · code text Table row “Height permitted”, column “R-4”: Four stories up to 45 ft.* See Section 16-24 for additional requirements
Minimum front setback	20 ft Applies: 15 ft if access to all parking is from an alley § 16-23 · code text Table row “Front yard setback”, column “R-4”: 20 ft.; 15 ft. if access to all parking is from an alley
Minimum side setback	5 ft for 1-2 story buildings, increased by 2.5 ft for each additional story § 16-23 · code text Table row “Interior yard side yard setback”, column “R-4”: 5 ft. for 1-2 story buildings, increased by 2.5 ft. for each additional story
Minimum rear setback	5 ft for 1-2 story buildings, increased by 2.5 ft for each additional story § 16-23 · code text Table row “Rear yard setback”, column “R-4”: 5 ft. for 1-2 story buildings, increased by 2.5 ft. for each additional story
Maximum density	1 unit per 1,500 sq. ft. § 16-23 · code text Table row “Minimum lot area/density”, column “R-4”: 1,500 sq. ft. of lot area for each dwelling unit. See Section 16-24 for additional requirements

Uses in R-4

Uses the code's use tables allow in R-4, or allow with a permit. Each links to its page with the code section.

Single-family home — Allowed
Apartment building — Needs a development design review permit
Bed and breakfast — Needs a special use permit
Church or place of worship — Needs a special use permit

When a different number applies

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

Minimum front setback: 15 ft — if access to all parking is from an alley § 16-23

Not on this page

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

Other Oxnard zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

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

45 ft — Oxnard Municipal Code § 16-23.

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

4 stories — Oxnard Municipal Code § 16-23.

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

20 ft (15 ft if access to all parking is from an alley) — Oxnard Municipal Code § 16-23.

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

5 ft for 1-2 story buildings, increased by 2.5 ft for each additional story — Oxnard Municipal Code § 16-23.

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

5 ft for 1-2 story buildings, increased by 2.5 ft for each additional story — Oxnard Municipal Code § 16-23.

General information, not legal advice.