Types of DADUs
Accessory Dwelling Units (ADUs) offer versatile housing solutions for homeowners in King County, including Seattle, Bellevue, Kirkland, Mercer Island, and Redmond. ADUs come in different forms based on their location, construction, and design. Here are four common types of ADUs suitable for properties in these areas:
1. Detached ADU or Small Home
Detached ADUs are standalone structures that are separate from the main house. These smaller homes, often called granny flats, backyard cottages, or laneway houses, are typically built in the backyard. They provide an independent living space and are a popular option in Seattle and surrounding cities for those looking to maximize their property’s potential.
2. Attached ADU
Attached ADUs are extensions of the main house, featuring a separate entrance, usually from the side of the home. Known as bump-outs, these stick-built constructions provide additional living space while maintaining a connection to the primary residence. This type of ADU is ideal for homeowners in Bellevue and Kirkland who want to expand their living area without constructing a separate building.
3. Home Addition
ADU home additions not only offer more space but also the opportunity to add features like a second master suite or a media center. These stick-built ADUs integrate seamlessly with the existing structure, making them a great choice for homeowners in Mercer Island and Redmond. With a home addition, you can create custom spaces that cater to your family’s needs.
4. Interior Conversion
Interior conversions utilize existing spaces within the main home, such as attics or basements, to create a fully equipped apartment. Known as basement apartments, in-law units, or Junior Accessory Dwelling Units (JADUs), these conversions are a popular and cost-effective way to add living space. For Seattle residents looking to maximize their home’s existing footprint, an interior conversion can be a straightforward and efficient solution.
5. Garage Conversion
Transforming a garage into a livable apartment is another practical ADU option. Garage conversions repurpose existing structures, making them a cost-effective way to add an independent living space. Depending on the size of the garage, these ADUs can vary greatly in size and are an excellent option for homeowners in Redmond and Bellevue looking to generate rental income.Common Traits of ADU Homes in King CountyADUs, whether detached, attached, or converted, share common characteristics:Size: In King County, ADUs are generally limited to a maximum size of 1,200 square feet, though specific areas may allow larger units.
Regulations: ADUs must comply with local zoning and building codes, including requirements for a kitchen and bathroom.ADUs offer a flexible and efficient way to increase property value and living space in Seattle, Bellevue, Kirkland, Mercer Island, and Redmond. Whether you're considering a detached ADU, an interior conversion, or a garage transformation, these versatile units can meet the diverse housing needs of King County residents.
