Property research and maps
Permitting services are available online via this website and MyBuildingPermit.com. For details and information about our new location and office hours, see our Customer Service Bulletin.
Our GIS staff members provide permit- and parcel-related geographic information, including maps and geographic analysis.
Watch our video on how to research a property using King County’s iMap service.
Check jurisdictions, find zoning information, and updated potential landslide hazard mapping using interactive mapping tools.
Development Conditions Report
Search for a property using a parcel number, property tax account number, address, or condominium name. Search results will include electoral districts, planning designations, critical area designations, watershed name, and more.
Provides direct links to the King County Assessor’s eReal Property report and the Districts and Development Conditions report.
Reference maps and resources
These downloadable maps were created for planning purposes.
See the Property Research Guide and Worksheet, and Records Research for addition information and guidance.
General information about zoning codes for unincorporated King County
Department of Local Services, Permitting Division
919 SW Grady Way, Suite 300
Renton, WA 98057
Most of our staff members are working remotely. Most permitting services are available on this website and MyBuildingPermit.com. Some in-person services are now available in our Renton office. For details, see our Customer Service Bulletin.
Ask us a question « Fill out our form to get a response
Customer service: call 206-296-6600 during the following Call Center hours: 9-11 a.m. and 12:30-2:30 p.m., Monday, Tuesday, Thursday, Friday.