Sheds, garages and other accessory structures in Dublin

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

What Dublin's code says

Dublin code What Dublin's code adds
Maximum height	Detached accessory structures can be at most 15 feet tall. Applies: Unless the code says otherwise; on lots under 5,000 square feet the limit is 10 feet (8 feet for some enclosed structures). § 8.40.020 · code text Detached accessory structures, unless specified otherwise in this Chapter, shall have a maximum height of 15 feet.
Size or lot coverage	One rear yard accessory structure up to 120 square feet does not count toward coverage limits. Applies: One accessory structure in the rear yard. § 8.40.020 · code text One accessory structure in the Rear Yard with a maximum of 120 square feet shall be exempt from the Coverage Requirements. All accessory structures together can be at most 1,000 square feet. Applies: Lots of 5,000 square feet or more, unless the Zoning Administrator approves a larger size with a Conditional Use Permit. § 8.40.020 · code text For lots 5,000 square feet in size or larger, the combined maximum square footage of all accessory structures on a lot such as a detached accessory garage, workshop, studio, or office shall not exceed 1,000 square feet unless a larger size is approved by the Zoning Administrator by means of a Conditional Use Permit. Accessory structures can cover at most 30% of the required rear yard. Applies: All accessory structures except swimming pools. § 8.40.020 · code text The maximum coverage of the required Rear Yard by all accessory structures (with the exception of swimming pools) is 30%.
Side and rear setback	At least 10 feet from the street side lot line. Applies: Corner lots next to a key lot in R-1 or R-2 zoning districts. § 8.40.020 · code text On a corner lot in an R-1 or R-2 zoning district adjacent to a Key Lot no accessory structure shall be closer to the Street Side Lot Line than 10 feet.

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Frequently asked questions

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

Dublin limits detached accessory structures to 15 feet, or 10 feet on lots under 5,000 square feet, and 30% of the required rear yard.

Sheds, garages and other accessory structures in Dublin

Key points

What Dublin's code says

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