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Gardena · Zoning · R-1

Gardena R-1 zoning: height, setbacks and lot size

In Gardena's R-1 zone, buildings can be up to 25 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is 5,000 sq ft (Gardena code, read October 2026).

Key points

  • Maximum building height: 25 ft
  • Maximum number of stories: 2 stories
  • Minimum front setback: 20 ft
  • Minimum side setback: 5 ft (Interior lots)
  • Minimum rear setback: 10 ft (New dwellings and additions)
  • Minimum lot size: 5,000 sq ft
  • Maximum lot coverage: 50% (Interior lots)
  • Maximum density: 1 dwelling unit per lot (except for an accessory dwelling unit)

R-1 (Single-Family Residential Zone) is a zoning district in Gardena. Every value below was read from the Gardena 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
§ 18.12.050 · code text
The maximum building height shall not exceed twenty-five feet and shall consist of not more than two stories;
Maximum number of stories
2 stories
§ 18.12.050 · code text
The maximum building height shall not exceed twenty-five feet and shall consist of not more than two stories;
Minimum front setback
20 ft
§ 18.12.050 · code text
Front yard setback: twenty feet.
Minimum side setback
5 ft
Applies: Interior lots
§ 18.12.050 · code text
A minimum of five feet for interior lots, and
Minimum rear setback
10 ft
Applies: New dwellings and additions
§ 18.12.050 · code text
Rear yard setback: ten feet for new dwellings and additions and a minimum of five feet for existing single story dwelling units.
Minimum lot size
5,000 sq ft
§ 18.12.050 · code text
A minimum of five thousand square feet;
Maximum lot coverage
50%
Applies: Interior lots
§ 18.12.050 · code text
A maximum of fifty percent for interior lots, and
Maximum density
1 dwelling unit per lot
Applies: except for an accessory dwelling unit
§ 18.12.050 · code text
A maximum of one dwelling unit per lot, except for an accessory dwelling unit;

When a different number applies

The code sets other values for particular lots, buildings or locations in R-1:

  • Minimum side setback: 10 ft — Corner lots, street side only § 18.12.050
  • Minimum rear setback: 5 ft — Existing single story dwelling units § 18.12.050
  • Maximum lot coverage: 75% — Corner lots § 18.12.050

Not on this page

We did not find a general FAR limit for R-1 in the zoning tables we read. The code may still set one elsewhere — check the Gardena Municipal Code.

Other Gardena zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Gardena's R-1 zone?

25 ft — Gardena Municipal Code § 18.12.050.

What is the maximum number of stories in Gardena's R-1 zone?

2 stories — Gardena Municipal Code § 18.12.050.

What is the minimum front setback in Gardena's R-1 zone?

20 ft — Gardena Municipal Code § 18.12.050.

What is the minimum side setback in Gardena's R-1 zone?

5 ft (interior lots) — Gardena Municipal Code § 18.12.050.

What is the minimum rear setback in Gardena's R-1 zone?

10 ft (new dwellings and additions) — Gardena Municipal Code § 18.12.050.

General information, not legal advice.

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