Rosemead · Zoning · R-3
Rosemead R-3 zoning: height, setbacks and lot size
In Rosemead's R-3 zone, buildings can be up to 35 ft (3 stories) tall and the minimum lot size is 10,000 sq. ft. (Rosemead code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 3 stories
- Minimum lot size: 10,000 sq. ft.
- Maximum floor area ratio (FAR): 0.35:1
- Maximum density: 1 unit per 1,500 sq. ft.
R-3 is a zoning district in Rosemead. Every value below was read from the Rosemead 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-3
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 § 17.12.030 · code textTable row “Height”, column “R-3”: 3 stories and 35 ft. |
|---|---|
| Maximum number of stories | 3 stories § 17.12.030 · code textTable row “Height”, column “R-3”: 3 stories and 35 ft. |
| Minimum lot size | 10,000 sq. ft. § 17.12.030 · code textTable row “Minimum Lot Area”, column “R-3”: 10,000 sq. ft. |
| Maximum floor area ratio (FAR) | 0.35:1 § 17.12.030 · code textTable row “Floor Area Ratio”, column “R-3”: 0.35:1 |
| Maximum density | 1 unit per 1,500 sq. ft. § 17.12.030 · code textTable row “Lot Area/Unit”, column “R-3”: 1,500 sq. ft. |
Uses in R-3
Uses the code's use tables allow in R-3, or allow with a permit. Each links to its page with the code section.
- Duplex — Allowed
- Apartment building — Needs a discretionary design review — see note
- Church or place of worship — Needs a conditional use permit
Not on this page
We did not find a general front setback, side setback, rear setback, lot coverage limit for R-3 in the zoning tables we read. The code may still set one elsewhere — check the Rosemead Municipal Code.
Other Rosemead zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Rosemead's R-3 zone?
35 ft — Rosemead Municipal Code § 17.12.030.
What is the maximum number of stories in Rosemead's R-3 zone?
3 stories — Rosemead Municipal Code § 17.12.030.
What is the minimum lot size in Rosemead's R-3 zone?
10,000 sq. ft. — Rosemead Municipal Code § 17.12.030.
What is the maximum floor area ratio (far) in Rosemead's R-3 zone?
0.35:1 — Rosemead Municipal Code § 17.12.030.
What is the maximum density in Rosemead's R-3 zone?
1 unit per 1,500 sq. ft. — Rosemead Municipal Code § 17.12.030.
General information, not legal advice.
Ask about a Rosemead property in R-3
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question