The Department of Archaeology and Historic Preservation is Washington State's primary agency with knowledge and expertise in historic preservation. We advocate for the preservation of Washington's irreplaceable historic and cultural resources—significant buildings, structures, sites, objects, and districts—as assets for the future. Please feel free to call (360)586-3065 or drop by our office if you need assistance.  The office is open Monday through Friday -  8am to 5:00pm. However, staff may be available at different hours than DAHP regular business hours. Please see Meet the Staff page for each staff member’s hours. 

Learn More About Us

How to get a
Letter from SHPO!

Find easy to use, step-by-step instructions on how to consult with DAHP for various projects including SEPA, Forest Practice Act and HUD reviews.

Learn more

WISAARD - Washington's Searchable Cultural Database

The Washington Information System for Architectural and Archaeological Records Data (WISAARD) is our online GIS map tool for locating designated historical sites which are listed on the state and national register. Information includes images of the property, a short summary description about the significance of each resource and a link to the nomination and/or inventory form.