Loomis · Zoning · CO
Loomis CO zoning: height, setbacks and lot size
In Loomis's CO zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 15 ft and the minimum lot size is 5,000 sf, with the conditions listed below (Loomis code, read October 2026).
Key points
- Maximum building height: 30 ft
- Maximum number of stories: 2 stories
- Minimum front setback: 15 ft (Offices must also be set back no more than 15 ft, except with an entry courtyard or design review approval.)
- Minimum side setback: None required (Not along a lot line abutting an R zone)
- Minimum rear setback: None required (Not along a lot line abutting an R zone)
- Minimum lot size: 5,000 sf (For parcels in new subdivisions)
- Maximum density: 2 to 10 units per acre (In a mixed-use project; the code sets a range: at least 2, at most 10, per general plan specific area policies.)
CO (Office Commercial) is a zoning district in Loomis. Every value below was read from the Loomis 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 CO
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 § 13.26.040 · code textTable row “Maximum height”, column “CO Office Commercial”: 30 ft - 2 stories |
|---|---|
| Maximum number of stories | 2 stories § 13.26.040 · code textTable row “Maximum height”, column “CO Office Commercial”: 30 ft - 2 stories |
| Minimum front setback | 15 ft Applies: Offices must also be set back no more than 15 ft, except with an entry courtyard or design review approval. § 13.26.040 · code textTable row “Front”, column “CO Office Commercial”: 15 ft minimum; offices shall be set back no more than 15 ft, except where an entry courtyard is provided, or where approved through design review. |
| Minimum side setback | None required Applies: Not along a lot line abutting an R zone § 13.26.040 · code textTable row “Side - Interior (each)”, column “CO Office Commercial”: 15 ft along a lot line abutting an R zone, none required otherwise. |
| Minimum rear setback | None required Applies: Not along a lot line abutting an R zone § 13.26.040 · code textTable row “Rear”, column “CO Office Commercial”: 15 ft along a lot line abutting an R zone, none required otherwise. |
| Minimum lot size | 5,000 sf Applies: For parcels in new subdivisions See note 1 below the table in the code. § 13.26.040 · code textTable row “Area (net)”, column “CO Office Commercial”: 5,000 sf (1) Note 1: A commercial condominium, or a residential condominium, townhome, or planned development project may be subdivided with smaller parcels for ownership purposes, with their minimum lot area determined through the subdivision review process, provided that the overall development site complies with the lot area requirements of this chapter, and the total number of any dwellings is in compliance with t |
| Maximum density | 2 to 10 units per acre Applies: In a mixed-use project; the code sets a range: at least 2, at most 10, per general plan specific area policies. § 13.26.040 · code textTable row “Maximum density”, column “CO Office Commercial”: 2 - 10 units per acre in a mixed-use project, subject to the general plan specific area policies, Land Use and Community Development Element, Section G. |
When a different number applies
The code sets other values for particular lots, buildings or locations in CO:
- Minimum side setback: 15 ft — along a lot line abutting an R zone § 13.26.040
- Minimum rear setback: 15 ft — along a lot line abutting an R zone § 13.26.040
Not on this page
We did not find a general lot coverage, FAR limit for CO in the zoning tables we read. The code may still set one elsewhere — check the Loomis Municipal Code.
Other Loomis zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Loomis's CO zone?
30 ft — Loomis Municipal Code § 13.26.040.
What is the maximum number of stories in Loomis's CO zone?
2 stories — Loomis Municipal Code § 13.26.040.
What is the minimum front setback in Loomis's CO zone?
15 ft (offices must also be set back no more than 15 ft, except with an entry courtyard or design review approval) — Loomis Municipal Code § 13.26.040.
What is the minimum side setback in Loomis's CO zone?
None required (not along a lot line abutting an R zone) — Loomis Municipal Code § 13.26.040.
What is the minimum rear setback in Loomis's CO zone?
None required (not along a lot line abutting an R zone) — Loomis Municipal Code § 13.26.040.
General information, not legal advice.
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