Datasets
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Personal Property Data
Personal property typically includes items used by a company to conduct business. Generally, personal property does not include property which is attached to a building or to... -
Water Quality
Prior to downloading data, please download the README file. This dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be... -
November 2025 General Election - Final Precinct Results
Final precinct level results for the November 2025 general election. -
Freshwater CTD data
Profiles of temperature, conductivity, salinity, dissolved oxygen, chlorophyll fluorescence, beam transmission, and surface and subsurface PAR collected monthly to twice monthly... -
Freshwater Swim Beach Data
This data represents the results of the King County Swim Beach program. These data are generally available from mid-May to late September during the swim beach monitoring... -
Food Establishment Inspection Data
Health Department inspection results for food service establishments in King County, 2006 to the present. This data is organized by Business / Inspection Date / Violation. Each... -
WQS_ExcursionDataset
This dataset consists of stream water quality data from the King County Ambient Stream Monitoring program. The data are evaluated based on the water quality standards assigned... -
Real Property Tax Receivables
Please refer to the Real Property Tax Receivable Attributes Descriptions file for explanation. -
KCSO Offense Reports: 2020 to Present
The King County Sheriff’s Office (KCSO) is providing offense report data captured in it's Records Management System (RMS) from 2020 to present. KCSO replaced its RMS in late... -
King County Employee Giving Program
The Employee Giving Program (EGP) is the workplace giving program for employees of King County government. It was established in 1988 to create an easy and cost-effective way... -
Foreclosure parcels
Parcels currently in foreclosure status with King County. https://kingcounty.gov/depts/finance-business-operations/treasury/foreclosure/current-foreclosure-action/foreclosure-... -
November 2025 General Election - Mid Election Precinct Results
Mid election precinct level results for the November 4, 2025 General & Special Election. -
Adult Jail Booking Nov 1, 2024 to Oct 31, 2025 as of Nov 4, 2025
The Jail Bookings Open Data dataset is provided by the King County Department of Adult and Juvenile Detention. The dataset contains adult jail bookings which have occurred... -
November 2025 General Election - Election Night Precinct Results
Election Night Precinct Results for the November 4, 2025 General & Special Election. -
Penn Cove Entrance Buoy Raw Data Output - Surface
This is a raw and uncorrected dataset from the surface buoy at the entrance to Penn Cove. This data has not been reviewed or corrected in any manner. It should be used with... -
King County Ambient Streams Monitoring - Site Details
This dataset contains information on King County ambient stream monitoring program sites, including their status, location. For more information on this program, visit... -
King County Ambient Streams Monitoring - Site Designated Uses and Water Quality Criteria
This dataset contains information on King County ambient stream monitoring program sites, including their designated uses and associated water quality standards, as assigned by...