Fairfax · Zoning · CS
Fairfax CS zoning: height, setbacks and lot size
In Fairfax's CS zone, generally buildings can be up to 15 ft (1 story) tall and the front setback is None required, with the conditions listed below (Fairfax code, read October 2026).
Key points
- Maximum building height: 15 ft
- Maximum number of stories: 1 story
- Minimum front setback: None required (Except along the boundary of a residential zone)
- Minimum side setback: None required (Except along the boundary of a residential zone)
- Minimum rear setback: None required (Except along the boundary of a residential zone)
CS (Commercial Service Zone) is a zoning district in Fairfax. Every value below was read from the Fairfax 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 CS
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 | 15 ft § 17.104.070 · code textHeight restrictions in the CS zone are: one story and 15 feet. |
|---|---|
| Maximum number of stories | 1 story § 17.104.070 · code textHeight restrictions in the CS zone are: one story and 15 feet. |
| Minimum front setback | None required Applies: Except along the boundary of a residential zone § 17.104.080 · code textNo yards are required, except when a lot line of a lot in the CS zone is the boundary of a residential zone. |
| Minimum side setback | None required Applies: Except along the boundary of a residential zone § 17.104.080 · code textNo yards are required, except when a lot line of a lot in the CS zone is the boundary of a residential zone. |
| Minimum rear setback | None required Applies: Except along the boundary of a residential zone § 17.104.080 · code textNo yards are required, except when a lot line of a lot in the CS zone is the boundary of a residential zone. |
When a different number applies
The code sets other values for particular lots, buildings or locations in CS:
- Minimum rear setback: equal to the abutting yard space in the residential zone — When a lot line of a lot in the CS zone is the boundary of a residential zone; except as may be otherwise permitted by a use permit. § 17.104.080
Not on this page
We did not find a general lot size, lot coverage, FAR, density limit for CS in the zoning tables we read. The code may still set one elsewhere — check the Fairfax Municipal Code.
Other Fairfax zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Fairfax's CS zone?
15 ft — Fairfax Municipal Code § 17.104.070.
What is the maximum number of stories in Fairfax's CS zone?
1 story — Fairfax Municipal Code § 17.104.070.
What is the minimum front setback in Fairfax's CS zone?
None required (except along the boundary of a residential zone) — Fairfax Municipal Code § 17.104.080.
What is the minimum side setback in Fairfax's CS zone?
None required (except along the boundary of a residential zone) — Fairfax Municipal Code § 17.104.080.
What is the minimum rear setback in Fairfax's CS zone?
None required (except along the boundary of a residential zone) — Fairfax Municipal Code § 17.104.080.
General information, not legal advice.
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