Upland · Zoning · RS-4
Upland RS-4 zoning: height, setbacks and lot size
In Upland's RS-4 zone, buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 4,000 sq. ft. (Upland code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft
- Minimum rear setback: 20 ft
- Minimum lot size: 4,000 sq. ft.
- Maximum lot coverage: 50%
- Maximum density: 1 unit per 4,000 sq. ft.
RS-4 is a zoning district in Upland. Every value below was read from the Upland 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 RS-4
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 § 17.04.030 · code textTable row “Primary Structure Height (max.)”, column “RS-4”: 35 ft. |
|---|---|
| Minimum front setback | 20 ft § 17.04.030 · code textTable row “Front”, column “RS-4”: 20 ft. |
| Minimum side setback | 5 ft § 17.04.030 · code textTable row “Side”, column “RS-4”: 5 ft. |
| Minimum rear setback | 20 ft § 17.04.030 · code textTable row “Rear”, column “RS-4”: 20 ft. |
| Minimum lot size | 4,000 sq. ft. § 17.04.030 · code textTable row “RS-4”, column “Parcel Area (min.)”: 4,000 sq. ft. |
| Maximum lot coverage | 50% § 17.04.030 · code textTable row “RS-4”, column “Maximum Lot Coverage”: 50% |
| Maximum density | 1 unit per 4,000 sq. ft. § 17.04.030 · code textTable row “RS-4”, column “Max.”: 1 unit per 4,000 sq. ft. |
Uses in RS-4
Uses the code's use tables allow in RS-4, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Church or place of worship — Needs a conditional use permit
Not on this page
We did not find a general stories, FAR limit for RS-4 in the zoning tables we read. The code may still set one elsewhere — check the Upland Municipal Code.
Other Upland zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Upland's RS-4 zone?
35 ft — Upland Municipal Code § 17.04.030.
What is the minimum front setback in Upland's RS-4 zone?
20 ft — Upland Municipal Code § 17.04.030.
What is the minimum side setback in Upland's RS-4 zone?
5 ft — Upland Municipal Code § 17.04.030.
What is the minimum rear setback in Upland's RS-4 zone?
20 ft — Upland Municipal Code § 17.04.030.
What is the minimum lot size in Upland's RS-4 zone?
4,000 sq. ft. — Upland Municipal Code § 17.04.030.
General information, not legal advice.
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