San Dimas · Zoning · MF-30
San Dimas MF-30 zoning: height, setbacks and lot size
In San Dimas's MF-30 zone, generally buildings can be up to 45 ft tall, the front setback is 15 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: 45 ft (Also limited to three and one-half stories.)
- Minimum front setback: 15 ft
- Minimum side setback: 15 ft (Not next to single-family zoning, or when the side yard faces a public street.)
- Minimum rear setback: 20 ft
- Minimum lot size: No minimum
MF-30 (Multiple-Family Thirty Units Per Acre 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-30
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 | 45 ft Applies: Also limited to three and one-half stories. § 18.44.050 · code textNo building or structure erected in this zone shall have a height greater than forty-five feet or three and one-half stories. |
|---|---|
| Minimum front setback | 15 ft § 18.44.050 · code textThere shall be a front yard setback of fifteen feet extending across the full width of the lot or parcel. |
| Minimum side setback | 15 ft Applies: Not next to single-family zoning, or when the side yard faces a public street. § 18.44.050 · code textWhen a side yard is contiguous to a public street: fifteen feet. |
| Minimum rear setback | 20 ft § 18.44.050 · code textThe minimum rear yard shall be twenty feet. |
| Minimum lot size | No minimum § 18.44.050 · code textThere is no minimum site area. |
When a different number applies
The code sets other values for particular lots, buildings or locations in MF-30:
- Minimum side setback: 30 ft — When a multifamily structure is adjacent to properties zoned for single-family use and is two or more stories. § 18.44.050
- Minimum rear setback: 30 ft — When vehicular access and parking are provided within a rear yard; five feet of such yard nearest the property line shall be landscaped. § 18.44.050
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for MF-30 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-30 zone?
45 ft (also limited to three and one-half stories) — San Dimas Municipal Code § 18.44.050.
What is the minimum front setback in San Dimas's MF-30 zone?
15 ft — San Dimas Municipal Code § 18.44.050.
What is the minimum side setback in San Dimas's MF-30 zone?
15 ft (not next to single-family zoning, or when the side yard faces a public street) — San Dimas Municipal Code § 18.44.050.
What is the minimum rear setback in San Dimas's MF-30 zone?
20 ft — San Dimas Municipal Code § 18.44.050.
What is the minimum lot size in San Dimas's MF-30 zone?
No minimum — San Dimas Municipal Code § 18.44.050.
General information, not legal advice.
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