Accessory Structures in Puyallup, WA (2026)
3 verified accessory structures rules for Puyallup, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Puyallup permits up to two accessory dwelling units per RS-zone lot that meets the underlying zone's minimum lot area, one where the lot is smaller, under PMC § 20.20.010(11). Each ADU is capped at three bedrooms and 1,000 square feet of floor area, and detached units must sit at least five feet from rear and interior side lines and 10 feet from the principal dwelling.
Puyallup Accessory Dwelling Unit Rules
Some RestrictionsPMC § 20.20.010(11)(b),(d),(e),(g)
(b) Up to two attached and/or detached accessory dwelling units are permitted on a lot that is meeting or exceeding the required lot area for the zone in addition to the principal dwelling unit; and ... (d) Accessory dwelling units may not have more than three bedrooms; and (e) Accessory dwelling units (attached or detached) shall not exceed 1,000 square feet in floor area. The floor area of an...
Shed & Carport Rules
On a Puyallup RS-zoned lot up to four acres, only one detached accessory building over 200 square feet is allowed, though sheds of 200 square feet or smaller are unlimited in number, and any accessory building on a lot of an acre or less cannot exceed 50% of the main house's footprint, under PMC § 20.20.040.
Puyallup Shed and Accessory Building Rules
Some RestrictionsPMC § 20.20.040(4)(a), (5)(a)
(4) Detached Accessory Buildings, Quantity Permitted. ... (a) On any lot zoned RS-04, RS-06, RS-08, or RS-10, where the subject property is less than or equal to four acres in size, there shall be permitted: (i) No more than one detached accessory building greater than 200 square feet in size per lot; and (ii) No more than one unenclosed detached carport per lot. There shall be no size limit to...
Garage Conversions
Puyallup lets homeowners convert a detached garage into living space by turning it into an accessory dwelling unit under PMC § 20.20.010(11)(j), and even a garage that is already nonconforming on setbacks or lot coverage can be converted under PMC § 20.65.030(3), so long as the resulting ADU otherwise meets the standard ADU size and setback rules.
Puyallup Garage-to-ADU Conversion Rules
Some RestrictionsPMC §§ 20.20.010(11)(j), 20.65.030(3)
An attached accessory dwelling unit may be created either through internal conversion of a portion of the principal dwelling unit or through construction of an addition to the principal dwelling unit. Accessory dwelling units may be converted from existing structures, including but not limited to detached garages (see PMC § 20.65.030(3)). If the addition contains component parts of an accessory...
Looking for Pierce County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Puyallup city rules.
Accessory Structures in Pierce County →