Rocklin · Zoning · RA-3
Rocklin RA-3 zoning: height, setbacks and lot size
In Rocklin's RA-3 zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 50 ft and the minimum lot size is 3 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
- Minimum rear setback: 50 ft
- Minimum lot size: 3 net acres
- Maximum lot coverage: 10,000 sq ft (an additional 500 sq ft may be permitted with a use permit)
RA-3 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-3
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 § 17.32.030 · code textThe maximum height for principal buildings and structures shall be thirty feet. |
|---|---|
| Maximum number of stories | 2 stories § 17.32.030 · code textThe maximum number of stories shall be two. |
| Minimum front setback | 50 ft § 17.32.070 · code textThere shall be a front setback of not less than fifty feet. |
| Minimum side setback | 50 ft § 17.32.070 · code textThere shall be an interior side setback of not less than fifty feet. |
| Minimum rear setback | 50 ft § 17.32.070 · code textThere shall be a rear setback of not less than fifty feet. |
| Minimum lot size | 3 net acres § 17.32.040 · code textThe minimum area for each lot in the RA-3 zone shall be three net acres. |
| Maximum lot coverage | 10,000 sq ft Applies: an additional 500 sq ft may be permitted with a use permit § 17.32.050 · code textThe maximum lot coverage in the RA-3 zone by all structures and buildings shall not exceed ten thousand square feet; provided, however, that additional coverage not exceed five hundred square feet may be permitted pursuant to a use permit. |
Not on this page
We did not find a general FAR, density limit for RA-3 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
Frequently asked questions
What is the maximum building height in Rocklin's RA-3 zone?
30 ft (principal buildings and structures) — Rocklin Municipal Code § 17.32.030.
What is the maximum number of stories in Rocklin's RA-3 zone?
2 stories — Rocklin Municipal Code § 17.32.030.
What is the minimum front setback in Rocklin's RA-3 zone?
50 ft — Rocklin Municipal Code § 17.32.070.
What is the minimum side setback in Rocklin's RA-3 zone?
50 ft — Rocklin Municipal Code § 17.32.070.
What is the minimum rear setback in Rocklin's RA-3 zone?
50 ft — Rocklin Municipal Code § 17.32.070.
General information, not legal advice.
Ask about a Rocklin property in RA-3
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question