Service Detail - Accessory Dwelling Units (mother-in-law apartments)
| Service Name: | Accessory Dwelling Units (mother-in-law apartments) |
| Service Phone: | 206-296-6600 |
| Service Fax: | 206-296-6644 |
| Service Mail Stop: | OAK-DE-0100 |
| Group Name: | DPER/BFSD - Planning/Customer Services Section - Permit Intake |
| Description: | Accessory dwelling units are commonly referred to as mother-in-law apartments. Accessory dwelling units (ADUs) are a second dwelling on a piece of property where a primary residence already exists. |
| Instructions: | For more information about building an Accessory Dwelling Unit in unincorporated King County, please see Accessory Dwelling Units under Department of Development and Environmental Services (DPER) Frequently Asked Questions, https://www.kingcounty.gov/property/permits/FAQ/MyProperty.aspx or the main DPER FAQ Web link below.
Please note that DPER processes building and land use permits for property in unincorporated King County only. If your property is within city limits, you will need to contact your city for its own permit regulations. |
| Service TTY: | 206-296-7217 |
| Web Link: | https://www.kingcounty.gov/property/permits/FAQ/MyProperty.aspx |
| Keywords: | DPER, ADU, ADUs, MIL, MILs, accessory dwelling unit, accessory dwelling units, accessory dwelling, accessory dwellings, mother-in-law, mother-in-laws, mother-in-law apt, mother-in-law apartment, mother in law, mother in laws, mother in law apartment |
| Groups That Provide This Service | |
| Group Name | Phone |
|---|---|
| DPER/BFSD - Planning/Customer Services Section - Permit Intake | (206) 296-6600 |