Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

DDES
900 Oakesdale Ave. S.W.
Renton, WA 98057-5212

Map

Phone: 206-296-6600
TTY Relay: 711

Service Center hours:
Monday to Friday,
Hours

Code Enforcement line for urgent, after-hours violations: 1-888-437-4771

For serious violations happening now that may pose a threat to public safety or cause irreparable environmental damage, call 1-888-437-4771.

This hotline is monitored 24-hours, 7-days a week in order to provide a timely initial response for violations that occur outside of regular business hours or on weekends or holidays.

Examples of calls appropriate for this number are:

  • major clearing violations
  • paint spills into a creek.

If our office is closed and the activity you want to report may cause significant environmental damage or create a safety concern, don't hesitate to call 1-888-437-4771 immediately.  A DDES staff person is available to receive emergency complaints around the clock and is able to be dispatched to a site quickly should an urgent need arise.

See code enforcement complaints for information about filing non-emergency complaints.