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Most King County offices will be closed on Monday, May 29, 2017, for Memorial Day.  
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The Department of Permitting and Environmental Review (DPER) is the King County agency that issues permits for properties located in unincorporated King County. We also enforce county land use and building codes, staff the King County Fire Marshal , and issue business licenses.

DPER Mission and Vision

Mission statement: To serve, educate and protect our community by shaping and implementing King County's development and environmental regulations.

Vision statement: DPER is a national leader promoting responsible and sustainable development to foster environmental quality, economic vitality and social benefit.

See DPER Mission, Vision & Values for the entire statement.

Contact information

Web
www.kingcounty.gov/permits
Call
206-296-6600 for DPER customer service
206-296-6797 for permit application appointments
206-296-6659 for billing hotline
206-296-6696 for DPER records center
206-296-6680 for Code Enforcement
TTY
Relay: 711
E-mail
DPERWebInquiries@kingcounty.gov
Note: For property-specific questions, please provide parcel ID or address if known.
Address
Department of Permitting and Environmental Review (DPER)
35030 SE Douglas St. Ste 210
Snoqualmie, WA 98065-9266
Map & Directions
DPER Map and Directions
Hours

DPER Customer Service Center Hours

Also see Vashon - Maury Island office information.