Rocklin · Zoning · OA
Rocklin OA zoning: height, setbacks and lot size
In Rocklin's OA zone, buildings can be up to 35 ft tall, the front setback is 20 ft and the minimum lot size is 1 net acre (Rocklin code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 20 ft
- Minimum side setback: 10 ft
- Minimum rear setback: 10 ft
- Minimum lot size: 1 net acre
- Maximum lot coverage: 50%
OA (OA Zone) 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 OA
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 | 35 ft § 17.58.020 · code textThe maximum height for buildings and structures in the OA zone shall be thirty-five feet. |
|---|---|
| Minimum front setback | 20 ft § 17.58.060 · code textThere shall be a front setback of not less than twenty feet. |
| Minimum side setback | 10 ft § 17.58.060 · code textThere shall be an interior side setback of not less than ten feet. |
| Minimum rear setback | 10 ft § 17.58.060 · code textThere shall be a rear setback of not less than ten feet. |
| Minimum lot size | 1 net acre § 17.58.030 · code textThe minimum area for each lot in the OA zone shall be one net acre. |
| Maximum lot coverage | 50% § 17.58.040 · code textThe maximum lot coverage by all structures and buildings in the OA zone shall not exceed fifty percent of the lot area. |
Not on this page
We did not find a general stories, FAR, density limit for OA 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 OA zone?
35 ft — Rocklin Municipal Code § 17.58.020.
What is the minimum front setback in Rocklin's OA zone?
20 ft — Rocklin Municipal Code § 17.58.060.
What is the minimum side setback in Rocklin's OA zone?
10 ft — Rocklin Municipal Code § 17.58.060.
What is the minimum rear setback in Rocklin's OA zone?
10 ft — Rocklin Municipal Code § 17.58.060.
What is the minimum lot size in Rocklin's OA zone?
1 net acre — Rocklin Municipal Code § 17.58.030.
General information, not legal advice.
Ask about a Rocklin property in OA
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question