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Murrieta · Zoning · ER-1

Murrieta ER-1 zoning: height, setbacks and lot size

In Murrieta's ER-1 zone, buildings can be up to 40 ft tall, the front setback is 20 ft and the minimum lot size is 1 acre (Murrieta code, read October 2026).

Key points

  • Maximum building height: 40 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 20 ft
  • Minimum rear setback: 20 ft
  • Minimum lot size: 1 acre
  • Maximum lot coverage: 25%

ER-1 is a zoning district in Murrieta. Every value below was read from the Murrieta 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 ER-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
40 ft
§ 16.08.020 · code text
Table row “Maximum Building Height”, column “ER-1”: 40 feet
Minimum front setback
20 ft
§ 16.08.020 · code text
Table row “Front”, column “ER-1”: 20 feet
Minimum side setback
20 ft
§ 16.08.020 · code text
Table row “Interior”, column “ER-1”: 20 feet
Minimum rear setback
20 ft
§ 16.08.020 · code text
Table row “Rear”, column “ER-1”: 20 feet
Minimum lot size
1 acre
§ 16.08.020 · code text
Table row “Minimum Parcel Size”, column “ER-1”: 1.0 acres
Maximum lot coverage
25%
§ 16.08.020 · code text
Table row “Maximum Parcel Coverage”, column “ER-1”: 25%

Not on this page

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

Other Murrieta zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Murrieta's ER-1 zone?

40 ft — Murrieta Municipal Code § 16.08.020.

What is the minimum front setback in Murrieta's ER-1 zone?

20 ft — Murrieta Municipal Code § 16.08.020.

What is the minimum side setback in Murrieta's ER-1 zone?

20 ft — Murrieta Municipal Code § 16.08.020.

What is the minimum rear setback in Murrieta's ER-1 zone?

20 ft — Murrieta Municipal Code § 16.08.020.

What is the minimum lot size in Murrieta's ER-1 zone?

1 acre — Murrieta Municipal Code § 16.08.020.

General information, not legal advice.

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