Fairfield · Zoning · HO
Fairfield HO zoning: height, setbacks and lot size
In Fairfield's HO zone, generally buildings can be up to 45 ft tall and the minimum lot size is 6,000 sq ft, with the conditions listed below (Fairfield code, read October 2026).
Key points
- Maximum building height: 45 ft (Commercial buildings)
- Minimum side setback: 10 ft
- Minimum rear setback: 10 ft
- Minimum lot size: 6,000 sq ft (Commercial buildings; new subdivisions only)
- Maximum floor area ratio (FAR): 2.0 (Commercial buildings)
HO (MU-O) is a zoning district in Fairfield. Every value below was read from the Fairfield 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 HO
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 Applies: Commercial buildings § 25.23.3 · code textTable row “Building Height Limit”, column “HO”: 45' |
|---|---|
| Minimum side setback | 10 ft § 25.23.3 · code textTable row “... minimum”, column “HO”: 10' |
| Minimum rear setback | 10 ft § 25.23.3 · code textTable row “... minimum”, column “HO”: 10' |
| Minimum lot size | 6,000 sq ft Applies: Commercial buildings; new subdivisions only § 25.23.3 · code textTable row “Lot Area (sq. ft. for new subdivisions only)”, column “HO”: 6,000 |
| Maximum floor area ratio (FAR) | 2.0 Applies: Commercial buildings § 25.23.3 · code textTable row “Floor Area Ratio”, column “HO”: 2.0 |
Uses in HO
Uses the code's use tables allow in HO, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Duplex — Allowed
- Apartment building — Allowed
- Child care center — Needs a conditional use permit
- Church or place of worship — Allowed
- Private school — Needs a conditional use permit
Not on this page
We did not find a general stories, front setback, lot coverage, density limit for HO in the zoning tables we read. The code may still set one elsewhere — check the Fairfield Municipal Code.
Other Fairfield zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Fairfield's HO zone?
45 ft (commercial buildings) — Fairfield Municipal Code § 25.23.3.
What is the minimum side setback in Fairfield's HO zone?
10 ft — Fairfield Municipal Code § 25.23.3.
What is the minimum rear setback in Fairfield's HO zone?
10 ft — Fairfield Municipal Code § 25.23.3.
What is the minimum lot size in Fairfield's HO zone?
6,000 sq ft (commercial buildings; new subdivisions only) — Fairfield Municipal Code § 25.23.3.
What is the maximum floor area ratio (far) in Fairfield's HO zone?
2.0 (commercial buildings) — Fairfield Municipal Code § 25.23.3.
General information, not legal advice.
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