Oregon › Washington County › Washington County Commissioner, District 4
2 candidates are tracked for Washington County Commissioner, District 4, headed to a November 3, 2026 runoff: Steve Callaway and Kipperlyn Sinclair. Candidate information follows official Washington County election filings; verify with the official election office linked below.
Nonpartisan seat representing District 4. Open seat: eight-year incumbent Jerry Willey did not seek reelection. Per OPB's reporting on the May 19, 2026 primary, former Hillsboro Mayor Steve Callaway led a six-candidate field with about 36% of the vote; Hillsboro City Councilor Kipperlyn Sinclair finished second. Ayla Hofler, Anthony Martin, Paul Schaefer and Kimberly Culbertson were eliminated. Callaway and Sinclair advance to the November 3, 2026 runoff; results were reported as unofficial/preliminary.
Callaway is a former Mayor of Hillsboro with prior experience on the Hillsboro City Council, per OPB. His campaign has been endorsed by the Washington County Chamber of Commerce, the Northwest Labor Council, Washington County District Attorney Kevin Barton, and sitting commissioners Jerry Willey and Jason Snider, per the same source. No campaign website or questionnaire response was found as of September 9, 2026; the official election filing is the only verifiable source for Steve Callaway.
2026 priorities (per the per OPB)
- Says the county should find the right balance between creating economic opportunities and supporting the county's rural areas
- Calls for a broader conversation at the state level about modernizing land use regulations
Sinclair is a current Hillsboro City Councilor with municipal government experience, per OPB. Her campaign has been endorsed by two state legislators and two Hillsboro city councilors, per the same source. No campaign website or questionnaire response was found as of September 9, 2026; the official election filing is the only verifiable source for Kipperlyn Sinclair.
