Accessory Structures in Pleasanton, CA (2026)
5 verified accessory structures rules for Pleasanton, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Pleasanton allows one ADU plus one JADU on single-family lots under Municipal Code Section 18.106, consistent with California ADU law. New detached ADUs may be up to 1,000 sq ft, capped at 16 feet tall with 4-foot side and rear setbacks. Owner occupancy is not required for ADUs approved between 2020 and 2025.
Pleasanton Accessory Dwelling Unit (ADU) Rules
Few RestrictionsShed Rules
Pleasanton treats sheds as Class I or Class II accessory structures under Municipal Code Section 18.84.160. They may sit in a rear or interior side yard within 35 feet of the rear lot line, and Class II structures may be built to the property line. No accessory structure is allowed in a front yard.
Pleasanton Shed and Accessory Structure Rules
Some RestrictionsGarage Conversions
Pleasanton allows garage-to-ADU conversions under Municipal Code Section 18.106. When a garage is converted to an ADU, the lost off-street parking spaces do not have to be replaced. A converted accessory structure may keep its existing height and setbacks, but any addition must meet current ADU development standards.
Pleasanton Garage Conversion Rules
Some RestrictionsCarport Rules
Under Pleasanton Municipal Code Chapter 18.84, carports are limited to the rear yard. A garage or carport serving a dwelling needs a 23-foot front yard (15 feet if entered parallel to the street) and a 20-foot side yard on a corner lot's street side. Demolishing a carport for an ADU does not require replacing the parking.
Pleasanton Carport Rules
Some RestrictionsTiny Homes
Pleasanton has no dedicated tiny-home ordinance. A tiny home on wheels meets the city's recreational-vehicle definition (400 sq ft or less, single chassis) and cannot be used for permanent living. Under Chapter 18.84, no trailer may be occupied for living unless in a licensed trailer park. A permanent tiny home generally must meet ADU standards under PMC 18.106.
Pleasanton Tiny Home Rules
Heavy RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Pleasanton city rules.
Accessory Structures in Alameda County →