One candidate is tracked for Metropolitan King County Council District 8 on the November 3, 2026 ballot: Teresa Mosqueda. Candidate information follows official King County election filings; verify with the official election office linked below.
August 4 top-two primary: Teresa Mosqueda 66.3 percent, Nick Duda 24.9 percent; also ran: Mia Jacobson (8.5 percent), Write-in (0.3 percent), per the county's official results. Washington top-two primary, August 4, 2026: all candidates appear on one ballot, every voter may participate regardless of party, and the top two advanced to November 3. Appears only on District 8 ballots. Candidates are from King County Elections' official filing list.
County commissioner. The county board is the county's legislative and, in most states, executive body. Commissioners adopt the county budget and property tax rate, oversee roads, the jail, public health, planning and zoning in unincorporated areas, and appoint or confirm department heads. In counties with an elected county executive or judge, the board's role is mainly the budget and ordinances.
This race. Nonpartisan: candidates appear without party labels. The sitting officeholder, Teresa Mosqueda, is on the ballot. One name is on the ballot for this seat.
Washington › King County › Metropolitan King County Council District 8
Nonpartisan Incumbent
Per the campaign site.
Teresa Mosqueda is the incumbent District 8 councilmember, a former Washington State Labor Council and Children's Alliance advocate, per the council's official member directory and her voters' pamphlet statement.
Who is running for Metropolitan King County Council District 8 in 2026?
One candidate is tracked for Metropolitan King County Council District 8 on the November 3, 2026 ballot: Teresa Mosqueda. Candidate information follows official King County election filings; verify with the official election office linked below.
When is the Metropolitan King County Council District 8 election in Washington?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Washington are on the Washington election hub at theballotbrief.com.
How do I see my exact King County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Candidate roster from official King County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Washington election office, or see the full King County sample ballot and your exact ballot by address.
55 tracked races in King County, Washington. Landed here from another county's search? Look up your own ballot below.