Sheds, garages and other accessory structures in Eureka

Each rule below links to the section of the Eureka Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Eureka's code says

Eureka code What Eureka's code adds
Size or lot coverage	No more than 500 square feet or 10% of the required rear yards, whichever is greater. Applies: R District; all accessory structures combined in the required rear yards. § 156.038 · code text provided that in the aggregate no more than 500 square feet or 10% of the area of the required rear yards, whichever is greater, shall be covered by structures May cover no more than 60% of a required rear yard next to an alley. Applies: RM or OR District; accessory structures with no habitable rooms. § 156.038 · code text In an RM or OR District, accessory structures containing no habitable rooms may cover not more than 60% of a required rear yard adjoining an alley.
Side and rear setback	At least 15 feet from the center line of the alley. Applies: Sites with a required rear yard next to an alley. § 156.038 · code text On a site with a required rear yard adjoining an alley, accessory structures shall be not less than 15 feet from the center line of the alley

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Frequently asked questions

How big can a shed or accessory building be in Eureka?

In R Districts, Eureka limits accessory structures in required rear yards to 500 square feet or 10% of the yards, whichever is greater.

Sheds, garages and other accessory structures in Eureka

Key points

What Eureka's code says

Who this affects

Frequently asked questions

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