Colton · Zoning · M-2
Colton M-2 zoning: height, setbacks and lot size
In Colton's M-2 zone, generally buildings can be up to 50 ft (3 stories) tall, the front setback is 20 ft and the minimum lot size is 15,000 sq ft, with the conditions listed below (Colton code, read October 2026).
Key points
- Maximum building height: 50 ft (Buildings over 50 ft may be permitted with a conditional use permit.)
- Maximum number of stories: 3 stories
- Minimum front setback: 20 ft (cornices, eaves, sills and similar features may project up to 5 ft into the setback)
- Minimum side setback: 15 ft (from a Street)
- Minimum rear setback: 10 ft (from a Street)
- Minimum lot size: 15,000 sq ft
- Maximum floor area ratio (FAR): 0.5
M-2 (Heavy Industrial 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 M-2
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 | 50 ft Applies: Buildings over 50 ft may be permitted with a conditional use permit. § 18.28.090 · code textThe maximum Building Height shall be three stories or fifty feet. |
|---|---|
| Maximum number of stories | 3 stories § 18.28.090 · code textThe maximum Building Height shall be three stories or fifty feet. |
| Minimum front setback | 20 ft Applies: cornices, eaves, sills and similar features may project up to 5 ft into the setback § 18.28.100 · code textEach Lot Shall have a front Setback of not less than twenty feet extending across the full width of the Lot, with the exceptions of cornices, Eaves, Sills and similar Architectural Features which May Project up to five feet into the required Setback. |
| Minimum side setback | 15 ft Applies: from a Street § 18.28.110 · code textEach Lot Shall have a side Setback of fifteen feet from a Street. |
| Minimum rear setback | 10 ft Applies: from a Street § 18.28.110 · code textEach Lot Shall have a rear Setback of ten feet from a Street. |
| Minimum lot size | 15,000 sq ft § 18.28.060 · code textEach Lot Shall have a minimum area of fifteen thousand square feet. |
| Maximum floor area ratio (FAR) | 0.5 § 18.28.080 · code textMaximum 0.5 Floor Area Ratio (FAR). |
Uses in M-2
Uses the code's use tables allow in M-2, or allow with a permit. Each links to its page with the code section.
- Private school — Allowed
When a different number applies
The code sets other values for particular lots, buildings or locations in M-2:
- Minimum side setback: 0 ft — Lots adjacent to other commercial or industrial Lots § 18.28.110
- Minimum rear setback: 0 ft — Lots adjacent to other commercial or industrial Lots § 18.28.110
- Minimum rear setback: 15 ft — Rear of Lot abuts a Residential Zone; masonry Wall separation required § 18.28.110
Not on this page
We did not find a general lot coverage, density limit for M-2 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
Frequently asked questions
What is the maximum building height in Colton's M-2 zone?
50 ft (buildings over 50 ft may be permitted with a conditional use permit) — Colton Municipal Code § 18.28.090.
What is the maximum number of stories in Colton's M-2 zone?
3 stories — Colton Municipal Code § 18.28.090.
What is the minimum front setback in Colton's M-2 zone?
20 ft (cornices, eaves, sills and similar features may project up to 5 ft into the setback) — Colton Municipal Code § 18.28.100.
What is the minimum side setback in Colton's M-2 zone?
15 ft (from a Street) — Colton Municipal Code § 18.28.110.
What is the minimum rear setback in Colton's M-2 zone?
10 ft (from a Street) — Colton Municipal Code § 18.28.110.
General information, not legal advice.
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