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El Cajon · Zoning · RM-6000

El Cajon RM-6000 zoning: height, setbacks and lot size

In El Cajon's RM-6000 zone, buildings can be up to 25 ft tall and the front setback is 20 ft (El Cajon code, read October 2026).

Key points

  • Maximum building height: 25 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 5 ft (interior side yard)
  • Minimum rear setback: 10 ft
  • Maximum lot coverage: 40%

RM-6000 is a zoning district in El Cajon. Every value below was read from the El Cajon 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 RM-6000

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
§ 17.140.100 · code text
Table row “RM-6000”, column “height”: 25 ft.
Minimum front setback
20 ft
§ 17.140.090 · code text
Table row “RM-6000”, column “Front Yard Setback:”: 20 ft.
Minimum side setback
5 ft
Applies: interior side yard
§ 17.140.090 · code text
Table row “RM-6000”, column “Interior Side Yard Setback:”: 5 ft.
Minimum rear setback
10 ft
§ 17.140.090 · code text
Table row “RM-6000”, column “Rear Yard Setback:”: 10 ft.
Maximum lot coverage
40%
§ 17.140.110 · code text
Table row “RM-6000”, column “lot coverage”: 40%

Uses in RM-6000

Uses the code's use tables allow in RM-6000, or allow with a permit. Each links to its page with the code section.

When a different number applies

The code sets other values for particular lots, buildings or locations in RM-6000:

  • Minimum side setback: 10 ft — Exterior side yard; a garage or carport with direct entry needs 20 ft § 17.140.090

Not on this page

We did not find a general stories, lot size, FAR, density limit for RM-6000 in the zoning tables we read. The code may still set one elsewhere — check the El Cajon Municipal Code.

Other El Cajon zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in El Cajon's RM-6000 zone?

25 ft — El Cajon Municipal Code § 17.140.100.

What is the minimum front setback in El Cajon's RM-6000 zone?

20 ft — El Cajon Municipal Code § 17.140.090.

What is the minimum side setback in El Cajon's RM-6000 zone?

5 ft (interior side yard) — El Cajon Municipal Code § 17.140.090.

What is the minimum rear setback in El Cajon's RM-6000 zone?

10 ft — El Cajon Municipal Code § 17.140.090.

What is the maximum lot coverage in El Cajon's RM-6000 zone?

40% — El Cajon Municipal Code § 17.140.110.

General information, not legal advice.

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