SPD Arrest Data

Under the current business process, every seizure (4th Amendment of the US Constitution) conducted under the evidentiary standard of Probable Cause (PC) is documented in the RMS (Mark43). In addition to physical arrests made by officers, the system is configured to capture warrants, and summons arrests (where the officer is affecting a PC seizure on the authority of someone else (the court) and administrative arrest types that document updates to the identity of the subject who was arrested and additional charges. In total, 12 types of arrest are captured in the source.

Note: This data set includes counts of arrest reports written which are distinct from physical, in-custody events. All counts herein reflect either total counts of arrest reports by the selected filter parameters, and/or the total number of reports written per subject.

Data and Resources

Additional Info

Field Value
Source https://cos-data.seattle.gov/resource/9bjs-7a7w
Author SPD_AskSPDAnalytics@seattle.gov
Last Updated September 2, 2025, 02:36 (UTC)
Created July 22, 2025, 19:52 (UTC)
Category Public Safety
Contact Email open.data@seattle.gov
Department Seattle Police Department
Frequency Daily
Publisher data.seattle.gov
harvest_object_id 215f7f21-cb39-46ba-ab30-925fed101bbb
harvest_source_id 5365fd4f-4dee-4a64-8b1c-c2025205baa9
harvest_source_title seattle