| Committee | Members | Chamber |
| Agriculture & Natural Resources (13) | Blake, Chair (D); Van De Wege, Vice Chair (D); *Kretz; **Warnick; Eickmeyer; Grant; Hailey; Lantz; Loomis; McCoy; Nelson; Newhouse; Orcutt | H |
| Agriculture & Rural Economic Development (6) | Rasmussen, Chair (D); Hatfield, Vice Chair (D); *Schoesler; Jacobsen; Morton; Shin | S |
| Appropriations (34) | Sommers, Chair (D); Dunshee, Vice Chair (D); *Alexander; **Bailey; **Haler; Anderson; Chandler; Cody; Conway; Darneille; Ericks; Fromhold; Grant; Green; Haigh; Hinkle; Hunt; Hunter; Kagi; Kenney; Kessler; Kretz; Linville; McDonald; McIntire; Morrell; Pettigrew; Priest; Ross; Schmick; Schual-Berke; Seaquist; Sullivan; Walsh | H |
| Appropriations Subcommittee on Education (18) | Haigh, Chair (D); Sullivan, Vice Chair (D); *Priest; **Anderson; Barlow; Crouse; Fromhold; Haler; Herrera; Hunter; Jarrett; Kagi; Kenney; Ormsby; Quall; Seaquist; Springer; Wallace | H |
| Appropriations Subcommittee on General Government & Audit Review (13) | Linville, Chair (D); Ericks, Vice Chair (D); *Armstrong; **Skinner; Blake; Chandler; Kretz; Lantz; Liias; Miloscia; Morris; Nelson; Van De Wege | H |
| Appropriations Subcommittee on Health & Human Services (13) | Pettigrew, Chair (D); Darneille, Vice Chair (D); *Alexander; Appleton; Bailey; Cody; Dickerson; Hinkle; Morrell; O'Brien; Roberts; Seaquist; Skinner | H |
| Capital Budget (22) | Fromhold, Chair (D); Ormsby, Vice Chair (D); Schual-Berke, Vice Chair (D); *McDonald; **Newhouse; Appleton; Blake; Chase; Dunshee; Eickmeyer; Flannigan; Hankins; Hasegawa; Kelley; McCune; Orcutt; Pearson; Pedersen; Sells; Skinner; Smith; Upthegrove | H |
| Commerce & Labor (8) | Conway, Chair (D); Wood, Vice Chair (D); *Condotta; **Chandler; Crouse; Green; Moeller; Williams | H |
| Community & Economic Development & Trade (9) | Kenney, Chair (D); Pettigrew, Vice Chair (D); *Bailey; **McDonald; Chase; Darneille; Haler; Rolfes; Sullivan | H |
| Consumer Protection & Housing (9) | Weinstein, Chair (D); Kauffman, Vice Chair (D); *Honeyford; Delvin; Haugen; Jacobsen; Kilmer; McCaslin; Tom | S |
| Early Learning & Children's Services (7) | Kagi, Chair (D); Roberts, Vice Chair (D); *Haler; **Walsh; Goodman; Hinkle; Pettigrew | H |
| Early Learning & K-12 Education (14) | McAuliffe, Chair (D); Tom, Vice Chair (D); *King; Brandland; Eide; Hewitt; Hobbs; Holmquist; Kauffman; McDermott; Oemig; Rasmussen; Weinstein; Zarelli | S |
| Ecology & Parks (9) | Upthegrove, Chair (D); Rolfes, Vice Chair (D); *Sump; Dickerson; Dunshee; Eickmeyer; Kristiansen; O'Brien; Pearson | H |
| Economic Development, Trade & Management (6) | Kastama, Chair (D); Kilmer, Vice Chair (D); *Zarelli; Kauffman; King; Shin | S |
| Education (9) | Quall, Chair (D); Barlow, Vice Chair (D); *Priest; **Anderson; Haigh; Liias; Roach; Santos; Sullivan | H |
| Finance (9) | Hunter, Chair (D); Hasegawa, Vice Chair (D); *Orcutt; **Condotta; Conway; Ericks; McIntire; Roach; Santos | H |
| Financial Institutions & Insurance (7) | Berkey, Chair (D); Hobbs, Vice Chair (D); *Benton; Franklin; Parlette; Prentice; Schoesler | S |
| Government Operations & Elections (8) | Fairley, Chair (D); Oemig, Vice Chair (D); *Roach; Benton; Kline; McDermott; Pridemore; Swecker | S |
| Health & Long-Term Care (9) | Keiser, Chair (D); Franklin, Vice Chair (D); *Pflug; Carrell; Fairley; Kastama; Kohl-Welles; Marr; Parlette | S |
| Health Care & Wellness (13) | Cody, Chair (D); Morrell, Vice Chair (D); *Hinkle; **Alexander; Barlow; Campbell; Condotta; DeBolt; Green; Moeller; Pedersen; Schual-Berke; Seaquist | H |
| Higher Education (10) | Wallace, Chair (D); Sells, Vice Chair (D); *Anderson; Hankins; Hasegawa; Jarrett; McIntire; Roberts; Schmick; Sommers | H |
| Higher Education (6) | Shin, Chair (D); Kilmer, Vice Chair (D); *Delvin; Berkey; Schoesler; Sheldon | S |
| Housing (7) | Miloscia, Chair (D); Springer, Vice Chair (D); *Armstrong; Liias; McCune; Ormsby; Schindler | H |
| Human Services & Corrections (7) | Hargrove, Chair (D); Regala, Vice Chair (D); *Stevens; Brandland; Carrell; Marr; McAuliffe | S |
| Human Services (8) | Dickerson, Chair (D); Roberts, Vice Chair (D); *Ahern; **Walsh; Bailey; Darneille; McCoy; O'Brien | H |
| Insurance, Financial Services & Consumer Protection (9) | Kirby, Chair (D); Kelley, Vice Chair (D); *Roach; Hurst; Loomis; Rodne; Santos; Simpson; Smith | H |
| Judiciary (11) | Lantz, Chair (D); Goodman, Vice Chair (D); *Rodne; **Warnick; Ahern; Flannigan; Kirby; Moeller; Pedersen; Ross; Williams | H |
| Judiciary (8) | Kline, Chair (D); Tom, Vice Chair (D); *McCaslin; Carrell; Hargrove; McDermott; Roach; Weinstein | S |
| Labor, Commerce, Research & Development (8) | Kohl-Welles, Chair (D); Keiser, Vice Chair (D); *Holmquist; Franklin; Hewitt; King; Murray; Prentice | S |
| Local Government (7) | Simpson, Chair (D); Takko, Vice Chair (D); *Warnick; **Schindler; Eddy; Nelson; Schmick | H |
| Natural Resources, Ocean & Recreation (9) | Jacobsen, Chair (D); Hatfield, Vice Chair (D); *Morton; Fraser; Hargrove; Rockefeller; Spanel; Stevens; Swecker | S |
| Public Safety & Emergency Preparedness (7) | O'Brien, Chair (D); Hurst, Vice Chair (D); *Pearson; **Ross; Ahern; Goodman; Kirby | H |
| Rules (19) | Lieutenant Governor, Chair (D); Franklin, Vice Chair (D); *Hewitt; Brown; Eide; Fraser; Haugen; Keiser; Kline; Kohl-Welles; McAuliffe; Murray; Parlette; Pflug; Regala; Schoesler; Spanel; Stevens; Zarelli | S |
| Rules (24) | Chopp, Chair (D); *DeBolt; Armstrong; Bailey; Ericks; Ericksen; Grant; Green; Hudgins; Hurst; Kelley; Kessler; Kristiansen; McCune; McDonald; Moeller; Morrell; Morris; Newhouse; Ormsby; Santos; Springer; Sump; Williams | H |
| Select Committee on Environmental Health (9) | Campbell, Chair (R); Hudgins, Vice Chair (D); *Sump; Chase; Hailey; Hunt; Morrell; Newhouse; Wood | H |
| State Government & Tribal Affairs (8) | Hunt, Chair (D); Appleton, Vice Chair (D); *Chandler; **Armstrong; Kretz; Liias; Miloscia; Ormsby | H |
| Technology, Energy & Communications (13) | McCoy, Chair (D); Eddy, Vice Chair (D); *Crouse; **McCune; Ericksen; Hankins; Herrera; Hudgins; Hurst; Kelley; Morris; Takko; Van De Wege | H |
| Transportation (17) | Haugen, Chair (D); Marr, Vice Chair (D); Murray, Vice Chair (D); *Swecker; Benton; Berkey; Delvin; Eide; Holmquist; Jacobsen; Kastama; Kauffman; Kilmer; King; Pflug; Sheldon; Spanel | S |
| Transportation (27) | Clibborn, Chair (D); Flannigan, Vice Chair (D); Loomis, Vice Chair (D); *Ericksen; **Schindler; Appleton; Armstrong; Campbell; Dickerson; Eddy; Hailey; Herrera; Hudgins; Jarrett; Kristiansen; Rodne; Rolfes; Sells; Simpson; Smith; Springer; Takko; Upthegrove; Wallace; Warnick; Williams; Wood | H |
| Water, Energy & Telecommunications (11) | Rockefeller, Chair (D); Murray, Vice Chair (D); *Honeyford; Delvin; Fraser; Hatfield; Holmquist; Morton; Oemig; Pridemore; Regala | S |
| Ways & Means (21) | Prentice, Chair (D); Fraser, Vice Chair, Capital Budget Chair (D); Pridemore, Vice Chair, Operating Budget (D); *Zarelli; Brandland; Carrell; Fairley; Hatfield; Hewitt; Hobbs; Honeyford; Keiser; Kohl-Welles; Oemig; Parlette; Rasmussen; Regala; Roach; Rockefeller; Schoesler; Tom | S |