Orange County · Zoning · E4
Orange County E4 zoning: height, setbacks and lot size
In Orange County's E4 zone, buildings can be up to 35 ft tall and the front setback is 30 ft (Orange County code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 30 ft
- Minimum rear setback: 25 ft (where the rear opens on an alley, private street, park or beach, half its width counts toward the setback, but never under 15 ft)
- Maximum lot coverage: 35%
- Maximum density: 1 unit per 10,000 sq ft
E4 is a zoning district in Orange County. Every value below was read from the Orange County 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 E4
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 § 7-9-31.3 · code textTable row “Maximum Building Height (ft)”, column “E4”: 35 |
|---|---|
| Minimum front setback | 30 ft § 7-9-31.3 · code textTable row “Front Setback From Ultimate Street R/W Line”, column “E4”: 30 |
| Minimum rear setback | 25 ft Applies: where the rear opens on an alley, private street, park or beach, half its width counts toward the setback, but never under 15 ft § 7-9-31.3 · code textTable row “Rear Setback From Property Line Not Abutting Street”, column “E4”: 25 or D |
| Maximum lot coverage | 35% § 7-9-31.3 · code textTable row “Maximum Building Site Coverage (% of site)”, column “E4”: 35 |
| Maximum density | 1 unit per 10,000 sq ft § 7-9-31.3 · code textTable row “Minimum Building Site Area Per Unit (sq ft)”, column “E4”: 10,000 |
Uses in E4
Uses the code's use tables allow in E4, or allow with a permit. Each links to its page with the code section.
- Child care center — Needs a permitted up to 14 persons; use permit for more than 14 persons (note 5) — see note
- Church or place of worship — Needs an use permit
- Community garden — Needs a site development permit
Not on this page
We did not find a general stories, side setback, lot size, FAR limit for E4 in the zoning tables we read. The code may still set one elsewhere — check the Orange County Municipal Code.
Other Orange County zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Orange County's E4 zone?
35 ft — Orange County Municipal Code § 7-9-31.3.
What is the minimum front setback in Orange County's E4 zone?
30 ft — Orange County Municipal Code § 7-9-31.3.
What is the minimum rear setback in Orange County's E4 zone?
25 ft (where the rear opens on an alley, private street, park or beach, half its width counts toward the setback, but never under 15 ft) — Orange County Municipal Code § 7-9-31.3.
What is the maximum lot coverage in Orange County's E4 zone?
35% — Orange County Municipal Code § 7-9-31.3.
What is the maximum density in Orange County's E4 zone?
1 unit per 10,000 sq ft — Orange County Municipal Code § 7-9-31.3.
General information, not legal advice.
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