Accessory Structures in Lakewood, WA (2026)
3 verified accessory structures rules for Lakewood, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Lakewood allows 2 ADUs per lot consistent with HB 1337 (2023). Detached ADUs require a minimum 4-foot setback from rear and side yard boundaries. Parking is not required for ADUs within ¼ mile of a Pierce Transit bus route or ½ mile of Sound Transit Lakewood Station.
Lakewood ADU Rules & Accessory Dwelling Unit Regulations
Some RestrictionsShed Rules
Sheds and accessory structures in Lakewood require a building permit if over 200 sq ft or if including electrical or plumbing. Structures must meet zone setback requirements from property lines.
Lakewood Shed Rules & Outbuilding Regulations
Some RestrictionsGarage Conversions
Garage conversions to habitable space in Lakewood require a building permit and must meet residential code standards. Conversion to an ADU is permitted under LMC 18A.40.110 and HB 1337 provisions.