San Dimas · Zoning · S-F
San Dimas S-F zoning: height, setbacks and lot size
In San Dimas's S-F 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.)
- Maximum number of stories: 2 stories (Or 35 ft, whichever is less.)
- Minimum front setback: 20 ft
- Minimum side setback: 12 ft (side of lot closest to the driveway)
- Minimum rear setback: 10 ft (main habitable structures on regular lots)
- Maximum lot coverage: 35%
S-F (S-F SINGLE-FAMILY RESIDENTIAL 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 S-F
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. § 18.24.040 · code textNo building or structure erected in this zone shall have a height greater than thirty-five feet or two stories, whichever is less, except that a steeple, spire or other similar projection above a building used primarily for religious purposes, may extend the total height of the structure and steeple, spire or other similar projection as high as forty-five feet, provided that the height of the steeple, spire or other similar projection is harmonious in design with the building or structure and with the surrounding neighborhood and a development plan is approved by the review authority in accordance with Chapter 18.12 of this title. |
|---|---|
| Maximum number of stories | 2 stories Applies: Or 35 ft, whichever is less. § 18.24.040 · code textNo building or structure erected in this zone shall have a height greater than thirty-five feet or two stories, whichever is less, except that a steeple, spire or other similar projection above a building used primarily for religious purposes, may extend the total height of the structure and steeple, spire or other similar projection as high as forty-five feet, provided that the height of the steeple, spire or other similar projection is harmonious in design with the building or structure and with the surrounding neighborhood and a development plan is approved by the review authority in accordance with Chapter 18.12 of this title. |
| Minimum front setback | 20 ft § 18.24.040 · code textEach lot or parcel of land shall have a front yard of not less than twenty feet in depth. |
| Minimum side setback | 12 ft Applies: side of lot closest to the driveway § 18.24.040 · code textEach lot or parcel of land shall have a minimum twelve-foot side yard on the side of the lot closest to the driveway. |
| Minimum rear setback | 10 ft Applies: main habitable structures on regular lots § 18.24.040 · code textEach lot or parcel of land shall have a minimum rear yard setback of ten feet for main habitable structures and five feet for accessory structures. |
| Maximum lot coverage | 35% § 18.24.040 · code textThe maximum lot coverage of all structures shall not exceed thirty-five percent of the total area of the lot. |
When a different number applies
The code sets other values for particular lots, buildings or locations in S-F:
- Maximum building height: 45 ft — steeple, spire or other similar projection above a building used primarily for religious purposes; development plan approval required § 18.24.040
- Minimum front setback: 15 ft — single-family development utilizing side yard easements; swing-in driveway § 18.24.050
- Minimum side setback: 5 ft — other side yard § 18.24.040
- Minimum side setback: 5 ft — corner lot side yard abutting the street § 18.24.040
- Minimum side setback: 5 ft — existing nonconforming dwelling unit additions § 18.24.040
- Minimum rear setback: 5 ft — accessory structures on regular lots § 18.24.040
- Minimum rear setback: 3 ft or 20 ft — Alley-loaded lots: garages accessed from the alley. § 18.24.040
- Minimum rear setback: 5 ft — garages not accessed from the alley and all other structures; alley-loaded lots § 18.24.040
- Maximum lot coverage: 40% — required lot area is less than 7,500 square feet and all structures do not exceed one story § 18.24.040
- Maximum lot coverage: 60% — single-family development utilizing side yard easements; structures and paving § 18.24.050
Not on this page
We did not find a general lot size, FAR, density limit for S-F 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 S-F zone?
35 ft (or two stories, whichever is less) — San Dimas Municipal Code § 18.24.040.
What is the maximum number of stories in San Dimas's S-F zone?
2 stories (or 35 ft, whichever is less) — San Dimas Municipal Code § 18.24.040.
What is the minimum front setback in San Dimas's S-F zone?
20 ft — San Dimas Municipal Code § 18.24.040.
What is the minimum side setback in San Dimas's S-F zone?
12 ft (side of lot closest to the driveway) — San Dimas Municipal Code § 18.24.040.
What is the minimum rear setback in San Dimas's S-F zone?
10 ft (main habitable structures on regular lots) — San Dimas Municipal Code § 18.24.040.
General information, not legal advice.
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