Eureka · Zoning · R1
Eureka R1 zoning: height, setbacks and lot size
In Eureka's R1 zone, generally buildings can be up to 35 ft tall and the minimum lot size is 5,000 sq. ft., with the conditions listed below (Eureka code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum lot size: 5,000 sq. ft. (Only for new lots created after June 20, 2019. Lots existing on that date have no minimum.)
- Maximum lot coverage: 60%
- Maximum floor area ratio (FAR): 1.0
R1 (Residential Low) is a zoning district in Eureka. Every value below was read from the Eureka 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 R1
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 § 155.204.030 · code textTable row “Maximum building height”, column “Residential Low R1”: 35 ft. |
|---|---|
| Minimum lot size | 5,000 sq. ft. Applies: Only for new lots created after June 20, 2019. Lots existing on that date have no minimum. § 155.204.030 · code textTable row “Minimum lot area [1]”, column “Residential Low R1”: 5,000 sq. ft. |
| Maximum lot coverage | 60% § 155.204.030 · code textTable row “Maximum site coverage [2]”, column “Residential Low R1”: 60% |
| Maximum floor area ratio (FAR) | 1.0 § 155.204.030 · code textTable row “Maximum floor area ratio (FAR) [2]”, column “Residential Low R1”: 1.0 |
Uses in R1
Uses the code's use tables allow in R1, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed — see note
- Private school — Needs a conditional use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in R1:
- Maximum density: 8.5 du/acre — For calculating the maximum number of lots created through conservation subdivisions. § 155.204.030
Not on this page
We did not find a general stories, front setback, side setback, rear setback, density limit for R1 in the zoning tables we read. The code may still set one elsewhere — check the Eureka Municipal Code.
Other Eureka zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Eureka's R1 zone?
35 ft — Eureka Municipal Code § 155.204.030.
What is the minimum lot size in Eureka's R1 zone?
5,000 sq. ft. (only for new lots created after June 20, 2019. Lots existing on that date have no minimum) — Eureka Municipal Code § 155.204.030.
What is the maximum lot coverage in Eureka's R1 zone?
60% — Eureka Municipal Code § 155.204.030.
What is the maximum floor area ratio (far) in Eureka's R1 zone?
1.0 — Eureka Municipal Code § 155.204.030.
General information, not legal advice.
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