HB 2773 Summary

• Authorizes municipalities and counties to adopt ordinances allowing accessory dwelling units (ADUs) in areas zoned for single-family or multifamily residential use.

• Permits ADU standards including parking, height, setbacks, landscape, architectural review, and minimum/maximum unit size, but prohibits minimum lot size requirements.

• Limits attached ADUs to 50 percent of the existing primary dwelling's square footage and detached ADUs to a maximum of 1,200 square feet, with ADUs unable to exceed allowable lot density.

• Requires ADUs to remain unseparable from the primary residence and restricts their sale or conveyance as independent properties.

• Mandates municipalities and counties must act on completed ADU permit applications within 60 days if an existing single-family or multifamily dwelling is present on the lot.