Colton C-1 zoning: height, setbacks and lot size

C-1 (Neighborhood Commercial Zone) is a zoning district in Colton. Every value below was read from the Colton 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 C-1

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	20 ft Applies: A second story may be permitted with a conditional use permit. § 18.18.090 · code text Buildings and Structures Shall have a height not greater than one Story or twenty feet.
Maximum number of stories	1 story Applies: A second story may be permitted with a conditional use permit. § 18.18.090 · code text Buildings and Structures Shall have a height not greater than one Story or twenty feet.
Minimum front setback	0 to 10 ft Applies: Buildings may be built anywhere from zero to ten feet from the front or street side property line. § 18.18.100 · code text Buildings may be built to zero to ten feet adjacent to the front or street side property lines.
Minimum side setback	0 to 15 ft Applies: From a street § 18.18.110 · code text Each Lot Shall have a side Setback of zero to fifteen feet from a Street.
Minimum rear setback	10 ft Applies: From a street § 18.18.110 · code text Each Lot Shall have a rear Setback of ten feet from a Street.
Minimum lot size	10,000 sq ft § 18.18.060 · code text Each Lot Shall have a minimum area of ten thousand square feet.
Maximum floor area ratio (FAR)	0.5 § 18.18.080 · code text Maximum Floor Area Ratio is 0.5.

Uses in C-1

Uses the code's use tables allow in C-1, or allow with a permit. Each links to its page with the code section.

Child care center — Needs a minor conditional use permit
Private school — Needs a conditional use permit

When a different number applies

The code sets other values for particular lots, buildings or locations in C-1:

Minimum front setback: 10 ft — Where there is no existing or planned public sidewalk; extending across forty percent of the full width of the lot § 18.18.100
Minimum side setback: 0 ft — Interior lots adjacent to other commercial lots § 18.18.110
Minimum side setback: 15 ft — Side of lot abuts a Residential Zone § 18.18.110
Minimum rear setback: 0 ft — Interior lots adjacent to other commercial lots § 18.18.110
Minimum rear setback: 15 ft — Rear of lot abuts a Residential Zone § 18.18.110
Minimum rear setback: 25 ft — Building has a vehicle access door facing the side or rear of the lot; measured from the opposite side of the alley § 18.18.110

Not on this page

We did not find a general lot coverage, density limit for C-1 in the zoning tables we read. The code may still set one elsewhere — check the Colton Municipal Code.

Other Colton zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Colton's C-1 zone?

20 ft (a second story may be permitted with a conditional use permit) — Colton Municipal Code § 18.18.090.

What is the maximum number of stories in Colton's C-1 zone?

1 story (a second story may be permitted with a conditional use permit) — Colton Municipal Code § 18.18.090.

What is the minimum front setback in Colton's C-1 zone?

0 to 10 ft (buildings may be built anywhere from zero to ten feet from the front or street side property line) — Colton Municipal Code § 18.18.100.

What is the minimum side setback in Colton's C-1 zone?

0 to 15 ft (from a street) — Colton Municipal Code § 18.18.110.

What is the minimum rear setback in Colton's C-1 zone?

10 ft (from a street) — Colton Municipal Code § 18.18.110.

General information, not legal advice.