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How to run for local office in Washington

Washington elects nearly every local office in odd-numbered years and mails every voter a ballot 18 days out; King County posts a returned-ballot list every two hours, so 2027 is your year and that list is your map.

Facts checked against official sources · September 9, 2026

Voter file
Available for political and election purposes
Campaign finance
PDC online filing (C-1 registration, C-3 and C-4 reports, F-1) (Washington State Public Disclosure Commission (PDC))
How voters vote
Every registered voter is mailed a ballot
Registration deadline
Online and mail registrations must be received 8 days before the election: July 26, 2027 for the primary and October 25, 2027 for the general. Registration in person at the county auditor's office or a voting center is allowed until 8 pm on election day (RCW 29A.08.140).
Local offices
All city, town, school district, special purpose district and judicial offices are nonpartisan. County offices in most counties are partisan (commissioner, sheriff, prosecutor, auditor, assessor, treasurer, clerk), though some charter counties such as King have made them nonpartisan; Washington's top-two primary advances the two highest vote-getters regardless of party, and a nonpartisan position with two or fewer candidates has no primary at all (RCW 29A.52.220).

Who runs elections in Washington

Getting the Washington voter file

Filing to run for local office in Washington

Campaign finance rules in Washington

How voting works in Washington

Local government in Washington: what you can run for

Running your Washington campaign on Culper

Washington questions we get asked

Sources