Sierra Madre · Zoning · R-1
Sierra Madre R-1 zoning: height, setbacks and lot size
In Sierra Madre's R-1 zone, generally buildings can be up to 25 ft tall and the minimum lot size is 7,500 sq ft, with the conditions listed below (Sierra Madre code, read October 2026).
Key points
- Maximum building height: 25 ft
- Minimum lot size: 7,500 sq ft (Unless the zoning map says otherwise: 9,000 sq ft in R-1-9, 11,000 in R-1-11, 15,000 in R-1-15)
- Maximum lot coverage: 40%
- Maximum density: 1 unit per 7,500 sq ft (At least the minimum lot area per dwelling unit; larger where the zoning map sets R-1-9, R-1-11 or R-1-15)
R-1 (One-Family Residential Zone) is a zoning district in Sierra Madre. Every value below was read from the Sierra Madre 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 R-1
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 | 25 ft § 17.20.040 · code textA building envelope shall be established twenty-five feet as measured from a warped plane defined by the adjoining natural or pre-existing grade, or finished grade, whichever is lower, around a five-foot perimeter of the building. |
|---|---|
| Minimum lot size | 7,500 sq ft Applies: Unless the zoning map says otherwise: 9,000 sq ft in R-1-9, 11,000 in R-1-11, 15,000 in R-1-15 § 17.20.080 · code textThe minimum required lot area in the R-1 zone shall be seven thousand five hundred square feet unless otherwise designated on the zoning map. |
| Maximum lot coverage | 40% § 17.20.120 · code textAll buildings in the R-1 zone, including accessory buildings and enclosed porches, shall have a maximum lot coverage of forty percent of the area of the lot, and must also be within the allowable floor area as defined in Section 17.20.125. |
| Maximum density | 1 unit per 7,500 sq ft Applies: At least the minimum lot area per dwelling unit; larger where the zoning map sets R-1-9, R-1-11 or R-1-15 § 17.20.090 · code textLot area per primary dwelling unit in the R-1 zone shall be not less than the minimum required lot area. |
Not on this page
We did not find a general stories, front setback, side setback, rear setback, FAR limit for R-1 in the zoning tables we read. The code may still set one elsewhere — check the Sierra Madre Municipal Code.
Other Sierra Madre zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Sierra Madre's R-1 zone?
25 ft — Sierra Madre Municipal Code § 17.20.040.
What is the minimum lot size in Sierra Madre's R-1 zone?
7,500 sq ft (unless the zoning map says otherwise: 9,000 sq ft in R-1-9, 11,000 in R-1-11, 15,000 in R-1-15) — Sierra Madre Municipal Code § 17.20.080.
What is the maximum lot coverage in Sierra Madre's R-1 zone?
40% — Sierra Madre Municipal Code § 17.20.120.
What is the maximum density in Sierra Madre's R-1 zone?
1 unit per 7,500 sq ft (at least the minimum lot area per dwelling unit; larger where the zoning map sets R-1-9, R-1-11 or R-1-15) — Sierra Madre Municipal Code § 17.20.090.
General information, not legal advice.
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