Skip to main content
King County logo

Permits and applications

DPER permitting activity or applications that may be of special interest to the public due to their nature, size or location:


Project Type of Proposal NOA Mailed Notes 


Periodic Review

A 5-year interval review conducted by DPER to evaluate whether the site is operating consistent with all existing permit conditions and that the most current site design and operating standards are applied through additional or revised permit conditions to mitigate identifiable environmental impacts (KCC 21A.22.050). 

Contact: Project Manager, Randy Sandin, at - 206-477-0378, or Assistant Project Manager, Amanda Reeck, at - 206-263-5783


Comment Period Ends: 09-22-16

Actions: Final report and recommendation will be posted 9/15/17.

Blasting Schedule: None at this time

Raging River GRDE15-0004 Reports


Mining Expansion

 A request to expand the area available for mining extraction by additional 25.83 acres. Expansion area includes KC parcel #222407-9033.

Contact: Fereshteh Dehkordi 206-477-0375 or


Comment Period Ends: 05/27/16

Status: Notification of likely Determination of Significance sent 3/27/17.

Raging River Quarry Reports


Quick links to information of special interest to homeowners provides a list of topics helpful to homeowners interested in building or land use permits, or the permitting process, in unincorporated King County.

Construction Industry

Quick links to information of special interest to construction industry professionals lists topics geared toward those working in the construction industry, such as engineering and erosion control resources.

Real estate professionals

Quick links to information of special interest to real estate professionals provides easy access to information for those working in real estate, such as rebuild letters / zoning certifications and online property research tools.