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Rocklin · Zoning · RA-5

Rocklin RA-5 zoning: height, setbacks and lot size

In Rocklin's RA-5 zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 50 ft and the minimum lot size is 5 net acres, with the conditions listed below (Rocklin code, read October 2026).

Key points

  • Maximum building height: 30 ft (principal buildings and structures)
  • Maximum number of stories: 2 stories
  • Minimum front setback: 50 ft
  • Minimum side setback: 50 ft (interior side)
  • Minimum rear setback: 50 ft
  • Minimum lot size: 5 net acres
  • Maximum lot coverage: 10,000 sq ft (an additional 500 sq ft may be permitted with a use permit)

RA-5 is a zoning district in Rocklin. Every value below was read from the Rocklin 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 RA-5

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
30 ft
Applies: principal buildings and structures
§ 17.34.030 · code text
The maximum height for principal buildings and structures shall be thirty feet.
Maximum number of stories
2 stories
§ 17.34.030 · code text
The maximum number of stories shall be two.
Minimum front setback
50 ft
§ 17.34.070 · code text
There shall be a front setback of not less than fifty feet.
Minimum side setback
50 ft
Applies: interior side
§ 17.34.070 · code text
There shall be an interior side setback of not less than fifty feet.
Minimum rear setback
50 ft
§ 17.34.070 · code text
There shall be a rear setback of not less than fifty feet.
Minimum lot size
5 net acres
§ 17.34.040 · code text
The minimum area for each lot in the RA-5 zone for each lot shall be five net acres.
Maximum lot coverage
10,000 sq ft
Applies: an additional 500 sq ft may be permitted with a use permit
§ 17.34.050 · code text
The maximum lot coverage by all structures and buildings in the RA-5 zone shall not exceed ten thousand square feet; provided, however, that additional coverage not exceeding five hundred square feet may be permitted pursuant to a use permit.

When a different number applies

The code sets other values for particular lots, buildings or locations in RA-5:

  • Maximum lot coverage: additional 500 sq ft — with a use permit, on top of the 10,000 sq ft maximum § 17.34.050

Not on this page

We did not find a general FAR, density limit for RA-5 in the zoning tables we read. The code may still set one elsewhere — check the Rocklin Municipal Code.

Other Rocklin zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Rocklin's RA-5 zone?

30 ft (principal buildings and structures) — Rocklin Municipal Code § 17.34.030.

What is the maximum number of stories in Rocklin's RA-5 zone?

2 stories — Rocklin Municipal Code § 17.34.030.

What is the minimum front setback in Rocklin's RA-5 zone?

50 ft — Rocklin Municipal Code § 17.34.070.

What is the minimum side setback in Rocklin's RA-5 zone?

50 ft (interior side) — Rocklin Municipal Code § 17.34.070.

What is the minimum rear setback in Rocklin's RA-5 zone?

50 ft — Rocklin Municipal Code § 17.34.070.

General information, not legal advice.

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