San Dimas · Zoning · A-L
San Dimas A-L zoning: height, setbacks and lot size
In San Dimas's A-L zone, generally buildings can be up to 35 ft (2 stories) tall and the front setback is 20 ft, with the conditions listed below (San Dimas code, read October 2026).
Key points
- Maximum building height: 35 ft (or two stories, whichever is less, unless approved by a conditional use permit)
- Maximum number of stories: 2 stories (unless approved by a conditional use permit)
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft on one side, 12 ft on the other
- Maximum lot coverage: 35%
A-L (A-L Light Agricultural 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 A-L
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 ft Applies: or two stories, whichever is less, unless approved by a conditional use permit § 18.64.040 · code textNo building or structure erected in this zone shall have a height greater than thirty-five feet or two stories, whichever is less, unless approved by a conditional use permit. |
|---|---|
| Maximum number of stories | 2 stories Applies: unless approved by a conditional use permit § 18.64.040 · code textNo building or structure erected in this zone shall have a height greater than thirty-five feet or two stories, whichever is less, unless approved by a conditional use permit. |
| Minimum front setback | 20 ft § 18.64.040 · code textEach lot or parcel of land shall have a front yard of not less than twenty feet in depth. |
| Minimum side setback | 5 ft on one side, 12 ft on the other § 18.64.040 · code textEach lot or parcel of land shall have one side yard of five feet and the other of twelve feet. |
| Maximum lot coverage | 35% § 18.64.040 · code textMaximum ground coverage of all structures shall not exceed thirty-five percent of the total area of a lot or parcel. |
When a different number applies
The code sets other values for particular lots, buildings or locations in A-L:
- Minimum side setback: 12 ft — Corner lots: interior side yard § 18.64.040
- Minimum side setback: 10 ft — Corner lots: side yard abutting the street § 18.64.040
Not on this page
We did not find a general rear setback, lot size, FAR, density limit for A-L 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 A-L zone?
35 ft (or two stories, whichever is less, unless approved by a conditional use permit) — San Dimas Municipal Code § 18.64.040.
What is the maximum number of stories in San Dimas's A-L zone?
2 stories (unless approved by a conditional use permit) — San Dimas Municipal Code § 18.64.040.
What is the minimum front setback in San Dimas's A-L zone?
20 ft — San Dimas Municipal Code § 18.64.040.
What is the minimum side setback in San Dimas's A-L zone?
5 ft on one side, 12 ft on the other — San Dimas Municipal Code § 18.64.040.
What is the maximum lot coverage in San Dimas's A-L zone?
35% — San Dimas Municipal Code § 18.64.040.
General information, not legal advice.
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