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Calabasas · Zoning · RS

Calabasas RS zoning: height, setbacks and lot size

In Calabasas's RS zone, generally buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 5,000 sq. ft., with the conditions listed below (Calabasas code, read October 2026).

Key points

  • Maximum building height: 35 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 10 ft
  • Minimum rear setback: 20 ft
  • Minimum lot size: 5,000 sq. ft. (Larger minimum where a zoning map suffix requires it)
  • Maximum lot coverage: 50% (of net site area on lots less than 1/3 acre)
  • Maximum density: 1 dwelling per lot (Per existing lot, except where a secondary housing unit is allowed. New subdivisions: 2 per acre minimum, up to 6 only if impacts are low)

RS is a zoning district in Calabasas. Every value below was read from the Calabasas 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

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
§ 17.13.020 · code text
Table row “Height Limits (6)”, column “RS”: 35 feet maximum
Minimum front setback
20 ft
§ 17.13.020 · code text
Table row “Front”, column “RS”: 20 feet minimum
Minimum side setback
10 ft
§ 17.13.020 · code text
Table row “Sides (each)”, column “RS”: 10 feet minimum
Minimum rear setback
20 ft
§ 17.13.020 · code text
Table row “Rear”, column “RS”: 20 feet minimum
Minimum lot size
5,000 sq. ft.
Applies: Larger minimum where a zoning map suffix requires it
§ 17.13.020 · code text
Table row “Area”, column “RS”: 5,000 sq. ft. (1)
Maximum lot coverage
50%
Applies: of net site area on lots less than 1/3 acre
§ 17.13.020 · code text
Table row “Site Coverage”, column “RS”: 50% of net site area, maximum, on lots less than 1/3 acre; 35% of net site area on lots of 1/3 acre or more or 7,260 square feet, whichever is greater, on lots of 1/3 acre or more
Maximum density
1 dwelling per lot
Applies: Per existing lot, except where a secondary housing unit is allowed. New subdivisions: 2 per acre minimum, up to 6 only if impacts are low
§ 17.13.020 · code text
Table row “Residential Density (3)”, column “RS”: 1 dwelling per lot, except where a secondary housing unit is allowed by Sections 17.11.010 and 17.12.17-0. In new subdivisions, 2 dwellings per acre minimum; 6 dwellings per acre maximum. (4)

When a different number applies

The code sets other values for particular lots, buildings or locations in RS:

  • Maximum lot coverage: 35% — Lots of 1/3 acre or more; or 7,260 sq ft if that is greater § 17.13.020

Not on this page

We did not find a general stories, FAR limit for RS in the zoning tables we read. The code may still set one elsewhere — check the Calabasas Municipal Code.

Other Calabasas zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Calabasas's RS zone?

35 ft — Calabasas Municipal Code § 17.13.020.

What is the minimum front setback in Calabasas's RS zone?

20 ft — Calabasas Municipal Code § 17.13.020.

What is the minimum side setback in Calabasas's RS zone?

10 ft — Calabasas Municipal Code § 17.13.020.

What is the minimum rear setback in Calabasas's RS zone?

20 ft — Calabasas Municipal Code § 17.13.020.

What is the minimum lot size in Calabasas's RS zone?

5,000 sq. ft. (larger minimum where a zoning map suffix requires it) — Calabasas Municipal Code § 17.13.020.

General information, not legal advice.

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