San Dimas · Zoning · MF
San Dimas MF zoning: height, setbacks and lot size
In San Dimas's MF zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is No minimum, with the conditions listed below (San Dimas code, read October 2026).
Key points
- Maximum building height: 30 ft (subject to an exception the code lists right after this sentence)
- Maximum number of stories: 2 stories (subject to an exception the code lists right after this sentence)
- Minimum front setback: 20 ft
- Minimum side setback: 15 ft (Next to single-family zoning, the second and third stories need 20 ft.)
- Minimum rear setback: 20 ft
- Minimum lot size: No minimum (Single-family dwellings follow Section 18.42.020.)
- Maximum lot coverage: 60%
MF (Multiple-Family (MF) Zone) is a zoning district in San Dimas. Every value below was read from the San Dimas 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 MF
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 | 30 ft Applies: subject to an exception the code lists right after this sentence § 18.42.050 · code textNo building or structure erected in this zone shall have a height greater than thirty feet or two stories, except as provided by the following: |
|---|---|
| Maximum number of stories | 2 stories Applies: subject to an exception the code lists right after this sentence § 18.42.050 · code textNo building or structure erected in this zone shall have a height greater than thirty feet or two stories, except as provided by the following: |
| Minimum front setback | 20 ft § 18.42.050 · code textThere shall be a front yard setback of not less than twenty feet. |
| Minimum side setback | 15 ft Applies: Next to single-family zoning, the second and third stories need 20 ft. § 18.42.050 · code textWhen multifamily structure is not adjacent to properties zoned for single-family use: fifteen feet. |
| Minimum rear setback | 20 ft § 18.42.050 · code textThe minimum rear yard shall be twenty feet. |
| Minimum lot size | No minimum Applies: Single-family dwellings follow Section 18.42.020. § 18.42.050 · code textThere is no minimum site area, except as set forth for single-family dwellings in Section 18.42.020. |
| Maximum lot coverage | 60% § 18.42.050 · code textMaximum ground coverage shall not exceed sixty percent of the total lot or parcel area. |
When a different number applies
The code sets other values for particular lots, buildings or locations in MF:
- Maximum building height: 35 ft — With a conditional use permit when the code's design findings are made. § 18.42.050
- Maximum building height: 40 ft — Steeple, spire or similar projection above a building used primarily for religious purposes, subject to review-authority approval § 18.42.050
- Maximum number of stories: 3 stories — With a conditional use permit when the code's design findings are made. § 18.42.050
- Minimum side setback: 20 ft — When the multifamily structure is adjacent to properties zoned for single-family use and is second or third story § 18.42.050
- Minimum rear setback: 30 ft — When vehicular access, open parking or recreational-vehicle storage is provided within the rear yard § 18.42.050
Not on this page
We did not find a general FAR, density limit for MF in the zoning tables we read. The code may still set one elsewhere — check the San Dimas Municipal Code.
Other San Dimas zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in San Dimas's MF zone?
30 ft (subject to an exception the code lists right after this sentence) — San Dimas Municipal Code § 18.42.050.
What is the maximum number of stories in San Dimas's MF zone?
2 stories (subject to an exception the code lists right after this sentence) — San Dimas Municipal Code § 18.42.050.
What is the minimum front setback in San Dimas's MF zone?
20 ft — San Dimas Municipal Code § 18.42.050.
What is the minimum side setback in San Dimas's MF zone?
15 ft (next to single-family zoning, the second and third stories need 20 ft) — San Dimas Municipal Code § 18.42.050.
What is the minimum rear setback in San Dimas's MF zone?
20 ft — San Dimas Municipal Code § 18.42.050.
General information, not legal advice.
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