Tustin CG zoning: height, setbacks and lot size

CG (Commercial General 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 CG

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 text Table row “CG Commercial General District (Sec. 9235)”, column “Building Height”: 35 feet
Minimum front setback	10 feet See note 1 below the table in the code. § 9230 · code text Table row “CG Commercial General District (Sec. 9235)”, column “Front Yard (1)”: 10 feet Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u.
Minimum side setback	None required Applies: Not along a street right-of-way or next to a residential lot See note 1 below the table in the code. § 9230 · code text Table row “CG Commercial General District (Sec. 9235)”, column “Interior Side Yard (1)”: None, 10 feet from ultimate street right-of-way or adjoining residential lot Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u.
Minimum rear setback	None required Applies: Not abutting a single-family dwelling, alley or private easement See note 1 below the table in the code. § 9230 · code text Table row “CG Commercial General District (Sec. 9235)”, column “Rear Yard (1)”: None, 15 feet when abutting a Single-Family Dwelling, 5 feet when abutting an alley or private easement Note 1: If it fronts onto secondary or primary highway then refer to Section 9271u.
Minimum lot size	3,000 sq. ft. § 9230 · code text Table row “CG Commercial General District (Sec. 9235)”, column “Minimum Lot Area”: 3,000 sq. ft.
Maximum lot coverage	100 percent See note 2 below the table in the code. § 9230 · code text Table row “CG Commercial General District (Sec. 9235)”, column “Lot Coverage”: 100 percent (2) Note 2: Less parking and landscaping requirements, subject to General Provisions for permitted uses only.

When a different number applies

The code sets other values for particular lots, buildings or locations in CG:

Minimum side setback: 10 feet — from ultimate street right-of-way or adjoining residential lot § 9230
Minimum rear setback: 15 feet — when abutting a Single-Family Dwelling § 9230
Minimum rear setback: 5 feet — when abutting an alley or private easement § 9230

Not on this page

We did not find a general stories, FAR, density limit for CG 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

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Tustin's CG zone?

35 feet — Tustin Municipal Code § 9230.

What is the minimum front setback in Tustin's CG zone?

10 feet — Tustin Municipal Code § 9230.

What is the minimum side setback in Tustin's CG zone?

None required (not along a street right-of-way or next to a residential lot) — Tustin Municipal Code § 9230.

What is the minimum rear setback in Tustin's CG zone?

None required (not abutting a single-family dwelling, alley or private easement) — Tustin Municipal Code § 9230.

What is the minimum lot size in Tustin's CG zone?

3,000 sq. ft. — Tustin Municipal Code § 9230.

General information, not legal advice.