Seattle illegal dumping 311 requests
Illegal Dumping 311 requests filed in Seattle since January 2024.
Current release
Data through April 12, 2026
Data from January 2024 through April 12, 2026
Source data: Socrata ↗
File a 311 request in Seattle → This page shows historical data only.
Total Requests
63.2K
in the illegal dumping category
Latest Month
932
April 2026
Share of total
8.9%
of all Seattle 311 requests
Monthly illegal dumping requests
How many illegal dumping 311 requests Seattle residents file each month.
How this category is defined
What counts as illegal dumping: Reports of bulk items, construction debris, or other materials dumped illegally on public property or in unauthorized locations.
In Seattle’s raw 311 data, the following 1 service_type are counted as illegal dumping:
- Illegal Dumping / Needles
To reproduce these counts against the raw feed
SELECT count(*)
FROM <seattle_311_raw>
WHERE service_type IN (
'Illegal Dumping / Needles'
)Analyst tip: LA uses 'Illegal Dumping Item Pickup', Chicago uses 'Fly Dumping Complaint', Oakland uses 'ILLDUMP', Calgary uses 'Bylaw - Material on Public Property'. Cities without a dedicated dumping service_type typically log these under street_cleaning or building_maintenance.
Source & provenance
Counts on this page are derived from Seattle’s official open 311 data feed, covering January 2024 through April 12, 2026. Category assignment uses an AI-generated mapping from the city’s raw service types to a normalized cross-city category. View the underlying dataset at data.seattle.gov.