Duarte · Zoning · O
Duarte O zoning: height, setbacks and lot size
In Duarte's O zone, generally buildings can be up to 75 ft tall, the front setback is 20 ft and the minimum lot size is No minimum for any dimensions, with the conditions listed below (Duarte code, read October 2026).
Key points
- Maximum building height: 75 ft
- Minimum front setback: 20 ft (Front or adjacent to a street)
- Minimum side setback: 10 ft (Abutting nonresidential)
- Minimum rear setback: 45 ft
- Minimum lot size: No minimum for any dimensions
- Maximum floor area ratio (FAR): none
O (Open Space) is a zoning district in Duarte. Every value below was read from the Duarte 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 O
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 | 75 ft § 19.20.030 · code textTable row “Height (maximum)”, column “O”: 75 ft |
|---|---|
| Minimum front setback | 20 ft Applies: Front or adjacent to a street § 19.20.030 · code textTable row “Front or adjacent to a street”, column “O”: 20 ft |
| Minimum side setback | 10 ft Applies: Abutting nonresidential § 19.20.030 · code textTable row “Abutting nonresidential”, column “O”: 10 ft |
| Minimum rear setback | 45 ft § 19.20.030 · code textTable row “Rear”, column “O”: 45 ft |
| Minimum lot size | No minimum for any dimensions § 19.20.030 · code textTable row “Lot Dimensions (minimum)”, column “O”: No minimum for any dimensions |
| Maximum floor area ratio (FAR) | none § 19.20.030 · code textTable row “Floor-Area Ratio (maximum)”, column “O”: none |
When a different number applies
The code sets other values for particular lots, buildings or locations in O:
- Minimum side setback: 20 ft — Abutting residential § 19.20.030
- Minimum side setback: 30 ft — Street side § 19.20.030
Not on this page
We did not find a general stories, lot coverage, density limit for O in the zoning tables we read. The code may still set one elsewhere — check the Duarte Municipal Code.
Other Duarte zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Duarte's O zone?
75 ft — Duarte Municipal Code § 19.20.030.
What is the minimum front setback in Duarte's O zone?
20 ft (front or adjacent to a street) — Duarte Municipal Code § 19.20.030.
What is the minimum side setback in Duarte's O zone?
10 ft (abutting nonresidential) — Duarte Municipal Code § 19.20.030.
What is the minimum rear setback in Duarte's O zone?
45 ft — Duarte Municipal Code § 19.20.030.
What is the minimum lot size in Duarte's O zone?
No minimum for any dimensions — Duarte Municipal Code § 19.20.030.
General information, not legal advice.
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