For property surveys recorded since 1973 (often used to determine property boundary lines), contact the King County Recorder's Office at 206-296-1570 or www.kingcounty.gov/business/Recorders/Services.aspx. Recorded Plats, Short Plats, Condominiums, and Planned Unit Developments for all of King County are available for viewing and printing at the Recorder's Office.
King County Assessor's property search systems
See the King County Assessor's site at www.kingcounty.gov/assessor for their property search systems for finding assessment information.
King County Roads Services Map and Records Center
See the King County Road Services Division Map and Records Center at www.kingcounty.gov/transportation/kcdot/Roads/MapAndRecordsCenter.aspx for mapping and historical survey data on roadway establishments, drainage plans, plats, and road construction plan and profiles. Various other maps are also available, such as topographic maps from the USGS and engineers' maps.
Online Parcel Locators resource for property information
Parcel Viewer provides zoning, district and property tax information, as well as links to permit and code enforcement histories on all parcels in unincorporated King County. The permit and code enforcement information is complete with the lead DDES staff person and their phone number.
iMAP is an advanced version that provides aerial photographs of all parcels in the unincorporated area.
