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Upland · Zoning · RS-20

Upland RS-20 zoning: height, setbacks and lot size

In Upland's RS-20 zone, buildings can be up to 35 ft tall, the front setback is 40 ft and the minimum lot size is 20,000 sq. ft. (Upland code, read October 2026).

Key points

  • Maximum building height: 35 ft
  • Minimum front setback: 40 ft
  • Minimum side setback: 10 ft
  • Minimum rear setback: 20 ft
  • Minimum lot size: 20,000 sq. ft.
  • Maximum lot coverage: 35%
  • Maximum density: 1 unit per 20,000 sq. ft.

RS-20 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-20

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 text
Table row “Primary Structure Height (max.)”, column “RS-20”: 35 ft.
Minimum front setback
40 ft
§ 17.04.030 · code text
Table row “Front”, column “RS-20”: 40 ft.
Minimum side setback
10 ft
§ 17.04.030 · code text
Table row “Side”, column “RS-20”: 10 ft.
Minimum rear setback
20 ft
§ 17.04.030 · code text
Table row “Rear”, column “RS-20”: 20 ft.
Minimum lot size
20,000 sq. ft.
§ 17.04.030 · code text
Table row “RS-20”, column “Parcel Area (min.)”: 20,000 sq. ft.
Maximum lot coverage
35%
§ 17.04.030 · code text
Table row “RS-20”, column “Maximum Lot Coverage”: 35%
Maximum density
1 unit per 20,000 sq. ft.
§ 17.04.030 · code text
Table row “RS-20”, column “Max.”: 1 unit per 20,000 sq. ft.

Uses in RS-20

Uses the code's use tables allow in RS-20, or allow with a permit. Each links to its page with the code section.

Not on this page

We did not find a general stories, FAR limit for RS-20 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

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Upland's RS-20 zone?

35 ft — Upland Municipal Code § 17.04.030.

What is the minimum front setback in Upland's RS-20 zone?

40 ft — Upland Municipal Code § 17.04.030.

What is the minimum side setback in Upland's RS-20 zone?

10 ft — Upland Municipal Code § 17.04.030.

What is the minimum rear setback in Upland's RS-20 zone?

20 ft — Upland Municipal Code § 17.04.030.

What is the minimum lot size in Upland's RS-20 zone?

20,000 sq. ft. — Upland Municipal Code § 17.04.030.

General information, not legal advice.

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