99chambers
CalledUnofficial results

Washington Legislative District 4

Washington House of Representatives · Washington

Rob Chase and Hillary Pham won the district's 2 seats.

Top-two primaryTwo House positions per district

Rob ChaseRepublican · winner · incumbent
30.0%33,849
Rob TupperDemocrat
23.1%26,043
Hillary PhamRepublican · winner
22.9%25,776
Trent MaierRepublican
20.7%23,357
Write-inOther party
3.2%3,645
112,670 votes

Source: Washington Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET

Where the race moved

Against the 2024 presidential vote

The seat's recent races

EvenR+27.32024 HouseR+19.52024 Pres.D+0.52026 House

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

Money in this race

Each line compares the two campaigns on one scale.

Rob TupperRob Chase
$12.7K
Raised by the campaign
$22.9K
$14.3K
Spent by the campaign
$21.5K
$3K
Cash on hand
$2.1K

Other candidates' campaigns: Trent Maier $56.5K · Hillary Pham $34.1K.

Campaign money: Washington Public Disclosure Commission, through Oct 26, 2026.

Source: Washington Public Disclosure Commission campaign filingsUpdated Oct 26, 2026

Pre-election forecast (final, Nov 3)

Our model's last run before Election Day, Nov 3, 2026. It no longer updates.

Rob Tupper
3%
Rob Chase
97%
Projected margin
R+14.4
How the forecast works →

The candidates

Rob Chase (R)
Incumbent, Washington House of Representatives, first elected 2020Rob Tupper (D)Hillary Pham (R)Trent Maier (R)

Also on the ballot: Write-in (Other party), 3.2%