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Most King County offices will be closed on Monday, for Veterans Day.  
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Request marriage records, deeds, and other King County recorded documents online

Marriage Certificates

Certified copies of King County marriage certificates cost $3.00 each (plus a small processing fee).
Marriages 1989 or earlier     Marriages 1990 to present

Other Recorded Documents

For recorded documents other than marriage records, such as deeds, easements, surveys, and other property records, choose from the below:

Recordings August 1991 to present    

Recordings prior to August 1991    

In a hurry?
No appointment is necessary to view pre-August 1991 microfilmed recordings at the Archives. Our self-service research room is open Mondays, Tuesdays, Thursdays and Fridays 9am - 4pm.

Search historical records of King County government

Search over 200,000 records describing King County's archival collection, bookmark items of interest, and request copies or a viewing appointment.

Looking for Divorce Records?

Historical house photographs

    Historical Assessor's Property Record Cards include photographs of buildings throughout King County from 1936-1972 and are at the Puget Sound Regional Archives (PSRA). Call or email PSRA staff with the property's tax parcel number to order photographs or copies of the cards themselves.

    Property Record Cards of platted property from parcel number 000900-0010 to 133930-0075 are available online through the Washington State Digital Archives: King County Assessor, Real Property Record Cards, 1937-1972.

Building history research

This in-depth research guide, Researching the History of Seattle and King County Buildings (PDF) walks you through many resources and strategies for researching the history of local buildings.

Published by Seattle Public Library Special Collections (external link), the guide was revised in 2014 in collaboration with the King County Archives to expand its coverage beyond Seattle city limits to all of King County.

Our mission is to collect, preserve, and provide access to historical County records document the history of King County's land, people, culture, and governance foster appreciation and understanding of King County's ongoing history

...and to support civic engagement and transparency in King County government.

TTY Relay 711

Monday, Tuesday, Thursday, and Friday: 9 am-4 pm

Please note the Archives is closed Wednesdays.