Tustin · Zoning · C1
Tustin C1 zoning: height, setbacks and lot size
In Tustin's C1 zone, buildings can be up to 35 feet tall, the front setback is None required and the minimum lot size is 5,000 sq. ft. (Tustin code, read October 2026).
Key points
- Maximum building height: 35 feet
- Minimum front setback: None required
- Minimum side setback: None required (Not abutting an R district)
- Minimum rear setback: None required (Not abutting an R district)
- Minimum lot size: 5,000 sq. ft.
C1 (Retail Commercial District) is a zoning district in Tustin. Every value below was read from the Tustin 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 C1
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 feet § 9230 · code textTable row “C1 Retail Commercial District (Service Stations see Sec. 9232b26)”, column “Building Height”: 35 feet |
|---|---|
| Minimum front setback | None required See note 1 below the table in the code. § 9230 · code textTable row “C1 Retail Commercial District (Service Stations see Sec. 9232b26)”, column “Front Yard (1)”: None Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u. |
| Minimum side setback | None required Applies: Not abutting an R district See note 1 below the table in the code. § 9230 · code textTable row “C1 Retail Commercial District (Service Stations see Sec. 9232b26)”, column “Interior Side Yard (1)”: None, 10 feet when property abuts "R" District Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u. |
| Minimum rear setback | None required Applies: Not abutting an R district See note 1 below the table in the code. § 9230 · code textTable row “C1 Retail Commercial District (Service Stations see Sec. 9232b26)”, column “Rear Yard (1)”: None, 5 feet when property abuts "R" District Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u. |
| Minimum lot size | 5,000 sq. ft. § 9230 · code textTable row “C1 Retail Commercial District (Service Stations see Sec. 9232b26)”, column “Minimum Lot Area”: 5,000 sq. ft. |
When a different number applies
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for C1 in the zoning tables we read. The code may still set one elsewhere — check the Tustin Municipal Code.
Other Tustin zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Tustin's C1 zone?
35 feet — Tustin Municipal Code § 9230.
What is the minimum front setback in Tustin's C1 zone?
None required — Tustin Municipal Code § 9230.
What is the minimum side setback in Tustin's C1 zone?
None required (not abutting an R district) — Tustin Municipal Code § 9230.
What is the minimum rear setback in Tustin's C1 zone?
None required (not abutting an R district) — Tustin Municipal Code § 9230.
What is the minimum lot size in Tustin's C1 zone?
5,000 sq. ft. — Tustin Municipal Code § 9230.
General information, not legal advice.
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