Nonpartisan · Data from OpenStates / Plural Policy · Washington
Votes with Democrats
89%
on 370 party-line votes · Senate Democrats median 99%
Cast a vote
98%
Yea or Nay on 1,307 of 1,328 roll calls · Senate median 97%
Their bills that became law
4 of 26
as a primary sponsor, this session · Democrats median 9
Roll calls on record
1,328
2025-2026 Regular Session
Votes and bills updated Oct 12, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 2025-2026 Regular Session.
How Mike Chapman votes
A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.
Where Mike Chapman sits in the Senate
Each dot is one member of the Senate, placed by how often they voted on the Democratic side of party-line votes. Mike Chapman is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
39 of 370 party-line votes, most recent 10 shown.
HB1210 · Concerning targeted urban area tax preferences.
Senate 3rd Reading & Final Passage · 2026-03-06 · Passed 28–20 · most Democrats voted the other way
SB5067 · Concerning impaired driving.
Senate 3rd Reading & Final Passage · 2026-01-28 · Passed 26–23 · most Democrats voted the other way
HB2050 · Implementing K-12 savings and efficiencies.
Senate 3rd Reading & Final Passage as Amended by the Senate · 2025-04-26 · Passed 26–22 · most Democrats voted the other way
HB2047 · Eliminating the Washington employee ownership program.
Senate 3rd Reading & Final Passage as Amended by the Senate · 2025-04-26 · Passed 25–23 · most Democrats voted the other way
SB5041 · Concerning unemployment insurance benefits for striking or lockout workers.
Senate Final Passage as Recommended by Conference Committee · 2025-04-25 · Passed 27–21 · most Democrats voted the other way
SB5814 · Revised for 1st substitute: Modifying the application and administration of certain excise taxes.
Senate Final Passage as Amended by the House · 2025-04-24 · Passed 26–22 · most Democrats voted the other way
SB5794 · Adopting recommendations from the tax preference performance review process, eliminating obsolete tax preferences, clarifying legislative intent, and addressing changes in constitutional law.
Senate Final Passage as Amended by the House · 2025-04-24 · Passed 26–22 · most Democrats voted the other way
SB5284 · Improving Washington's solid waste management outcomes.
Senate Final Passage as Amended by the House · 2025-04-23 · Passed 27–21 · most Democrats voted the other way
HB1440 · Concerning seizure and forfeiture procedures and reporting.
Senate 3rd Reading & Final Passage as Amended by the Senate · 2025-04-23 · Passed 28–20 · most Democrats voted the other way
SB5794 · Adopting recommendations from the tax preference performance review process, eliminating obsolete tax preferences, clarifying legislative intent, and addressing changes in constitutional law.
Senate 3rd Reading & Final Passage · 2025-04-19 · Passed 26–22 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB6260 · Implementing efficiencies and programming changes in public education.
Senate 3rd Reading & Final Passage · 2026-03-03 · Passed 25–24
SB5786 · Increasing license, permit, and endorsement fees.
Senate 3rd Reading & Final Passage · 2025-04-17 · Passed 25–24
SB5583 · Concerning recreational fishing and hunting licenses.
Senate 3rd Reading & Final Passage · 2025-03-26 · Passed 25–24
SB5319 · Establishing surface mine reclamation permit fees.
Senate Committee on Agriculture & Natural Resources: do pass · 2025-02-20 · Passed 5–4
SB6228 · Revised for engrossed: Removing a tax exemption for the warehousing and reselling of prescription drugs and providing tax relief for critical access pharmacies.
Senate 3rd Reading & Final Passage · 2026-02-28 · Passed 25–23
Republicans they vote with most
Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.
Paul HarrisRepublican · District 17 · 468 shared contested votes
46%
Curtis KingRepublican · District 14 · 456 shared contested votes
42%
Jeff HolyRepublican · District 6 · 437 shared contested votes
40%
Their session, month by month
Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (21 in all). Gaps are months the chamber wasn’t voting.
← Washington Delegation
YeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Mike Chapman was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.
Introduced26
Out of committee15
Passed one chamber7
Passed both chambers4
Became law4
Never left committee11
For comparison, the median Democratic member of the Senate has 9 bills that became law this session.
Adding federally recognized Indian tribes to the list of entities that may participate in the conservation futures program.
Passed one chamberBy resolution, returned to Senate Rules Committee for third reading. · 2026-03-12
Expanding oral health equity and increasing access to preventive dental care.
Not out of committeeFirst reading, referred to Health & Long-Term Care. · 2026-01-14
Concerning electric security alarm systems.
Out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Streamlining the home care worker background check process.
Not out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Designating the Pacific razor clam as the state clam.
Not out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Promoting efficient administration of state education agencies.
Not out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Concerning the state universal communications services program.
Not out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Supporting caregivers who provide complex care services to children with heightened medical needs.
Out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Revised for 1st substitute: Concerning payments to tow truck operators for the release of vehicles to indigent persons.
Passed one chamberSenate Rules "X" file. · 2026-01-12
Extending the dairy inspection program until June 30, 2031.
Out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Concerning approval of electric utility wildfire mitigation plans.
Out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Revised for 1st substitute: Amending the definition of timberland for purposes of determining the real estate excise tax for a governmental entity.
Out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Studying taxes and fees related to alcohol.
Passed one chamberSenate Rules "X" file. · 2026-01-12
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
HB1408 · 2026-03-12
Establishing funding for community preservation and development authorities approved through RCW 43.167.060. (Senate Final Passage without Senate Amendments)
SB6355 · 2026-03-12
Concerning the electric transmission system. (Senate Final Passage as Amended by the House)
HB2215 · 2026-03-12
Concerning climate commitment act compliance obligations for fuels supplied or otherwise sold into Washington. (Senate 3rd Reading & Final Passage as Amended by the Senate)
HB1295 · 2026-03-12
Using evidence-based instructional practices in reading and writing literacy for public elementary students. (Senate 3rd Reading & Final Passage as Amended by the Senate)
SB6260 · 2026-03-12
Implementing efficiencies and programming changes in public education. (Senate Final Passage as Amended by the House)
SB6347 · 2026-03-12
Revised for engrossed: Undoing certain changes to the estate tax. (Senate Final Passage as Amended by the House)
SB6354 · 2026-03-12
Advancing transportation electrification by expanding access to electric vehicles already being sold in Washington and increasing associated funding. (Senate Final Passage as Amended by the House)
SB6225 · 2026-03-12
Authorizing bonds for transportation funding. (Senate Final Passage as Amended by the House)
SB6228 · 2026-03-12
Revised for engrossed: Removing a tax exemption for the warehousing and reselling of prescription drugs and providing tax relief for critical access pharmacies. (Senate Final Passage as Amended by the House)
SB5998 · 2026-03-12
Making 2025-2027 fiscal biennium supplemental operating appropriations. (Senate Final Passage as Recommended by Conference Committee)
SB6005 · 2026-03-12
Making supplemental transportation appropriations for the 2025-2027 fiscal biennium. (Senate Final Passage as Recommended by Conference Committee)
SB6003 · 2026-03-12
Concerning the capital budget. (Senate Final Passage as Amended by the House)
HB2711 · 2026-03-11
Concerning transportation resources. (Senate 3rd Reading & Final Passage as Amended by the Senate)
HB2689 · 2026-03-11
Concerning the working connections child care program. (Senate 3rd Reading & Final Passage as Amended by the Senate)
HB2681 · 2026-03-11
Revised for engrossed: Concerning cannabis license fees. (Senate 3rd Reading & Final Passage)
HB2487 · 2026-03-11
Concerning taxes imposed on insurers operating within the state. (Senate 3rd Reading & Final Passage)
HB2089 · 2026-03-11
Supporting wildfire mitigation by modifying RCW 82.04.29005, concerning taxes on loan interest. (Senate 3rd Reading & Final Passage)
SB6346 · 2026-03-11
Establishing a tax on millionaires. (Senate Final Passage As Amended by the House)
SB6002 · 2026-03-10
Concerning driver privacy protections. (Senate Final Passage as Amended by the House)
SB6110 · 2026-03-10
Addressing electric-assisted bicycles and electric motorcycles. (Senate Final Passage as Amended by the House)
SB5982 · 2026-03-10
Updating provisions for consumer-owned utilities, including port districts, and affected market customers under the clean energy transformation act. (Senate Final Passage as Amended by the House)
SB6035 · 2026-03-10
Ensuring access to voting services for military, overseas, Native American, and disabled voters. (Senate Final Passage as Amended by the House)
SB6113 · 2026-03-10
Concerning taxes administered by the department of revenue. (Senate Final Passage as Amended by the House)
SB6054 · 2026-03-10
Concerning unreasonable restrictions on wildfire home hardening practices in common interest communities. (Senate Final Passage as Amended by the House)
SB6309 · 2026-03-10
Providing for enhanced municipal permitting tools for high capacity transit projects. (Senate Final Passage as Amended by the House)
SB6137 · 2026-03-10
Concerning the regulated sports wagering industry. (Senate Final Passage as Amended by the House)
SB6246 · 2026-03-10
Concerning emissions from emissions-intensive, trade-exposed facilities under the climate commitment act. (Senate Final Passage as Amended by the House)
SB6027 · 2026-03-10
Revised for 2nd substitute: Modifying certain funding and exemptions related to providing and maintaining affordable housing and related services. (Senate Final Passage as Amended by the House)
SB6076 · 2026-03-10
Streamlining consumer-owned utility procurement requirements for clean energy generation, energy storage, transmission, and distribution projects. (Senate Final Passage as Amended by the House)
SB6194 · 2026-03-10
Revised for engrossed: Allowing payments to be made for services provided by any rural hospital that is located on a federally recognized Indian reservation. (Senate Final Passage as Amended by the House)
SB6269 · 2026-03-10
Modernizing the definition of motor fuel in the motor fuel quality act. (Senate Final Passage as Amended by the House)
SB6026 · 2026-03-10
Concerning residential development in commercial and mixed-use zones. (Senate Final Passage as Amended by the House)
SB6226 · 2026-03-10
Protecting the clinical autonomy of audiologists. (Senate Final Passage as Amended by the House)
SB6034 · 2026-03-10
Concerning statutory establishment of the governor's office of Indian affairs. (Senate Final Passage as Amended by the House)
SB6162 · 2026-03-10
Concerning property tax reform. (Senate Final Passage as Amended by the House)
SB6200 · 2026-03-10
Concerning renters' and mobile home occupants' ability to install portable cooling devices. (Senate Final Passage as Amended by the House)
SB5847 · 2026-03-10
Concerning access to medical care in workers' compensation. (Senate Final Passage as Amended by the House)
SB6065 · 2026-03-10
Concerning school district transportation vehicle funds. (Senate Final Passage as Amended by the House)
HB2325 · 2026-03-10
Establishing a tourism self-supported assessment program to fund statewide tourism promotion. (Senate Final Passage as Amended by the Senate)
SB6058 · 2026-03-10
Adding discretion to wage enforcement actions. (Senate Final Passage as Amended by the House)
SB6066 · 2026-03-10
Revised for 2nd substitute: Establishing crash prevention zones. (Senate Final Passage as Amended by the House)
SB6188 · 2026-03-10
Concerning the department of labor and industries' authority to enact rules related to regulating asbestos training. (Senate Final Passage as Amended by the House)
SB6291 · 2026-03-10
Concerning on-site wastewater treatment system inspections. (Senate Final Passage as Amended by the House)
SB5346 · 2026-03-09
Revised for 1st substitute: Addressing student use of mobile devices in public schools. (Senate Final Passage as Amended by the House)
SB5068 · 2026-03-09
Concerning agencies, firefighters, prosecutors, and general or limited authority law enforcement, extending eligibility for employment to all United States citizens or persons legally authorized to work in the United States under federal law. (Senate Final Passage as Amended by the House)
SB5841 · 2026-03-09
Concerning the completion of postsecondary financial aid applications. (Senate Final Passage as Amended by the House)
SB5420 · 2026-03-09
Ensuring access to state benefits and opportunities for veterans, uniformed service members, and military spouses. (Senate Final Passage as Amended by the House)
SB5892 · 2026-03-09
Concerning protection of the voter registration database. (Senate Final Passage as Amended by the House)
SB5938 · 2026-03-09
Concerning the foreclosure prevention fee. (Senate Final Passage as Amended by the House)
SB5981 · 2026-03-09
Revised for 2nd substitute: Concerning the 340B drug pricing program. (Senate Final Passage as Amended by the House)
SB5925 · 2026-03-09
Concerning the general powers and duties of the attorney general’s office. (Senate Final Passage as Amended by the House)
SB5156 · 2026-03-09
Concerning elevator standards in smaller apartment buildings. (Senate Final Passage as Amended by the House)
SB5395 · 2026-03-09
Making improvements to transparency and accountability in the prior authorization determination process. (Senate Final Passage as Amended by the House)
SB5969 · 2026-03-09
Revised for 2nd substitute: Reducing duplication between high school and beyond plans and individualized education program transition plans. (Senate Final Passage as Amended by the House)
SB5855 · 2026-03-09
Concerning the use of face coverings by law enforcement officers. (Senate Final Passage as Amended by the House)
SB5272 · 2026-03-09
Improving school safety by extending penalties for interference by, or intimidation by threat of, force or violence at schools and extracurricular activities and requiring schools to notify the public of such penalties. (Senate Final Passage as Amended by the House)
SB5845 · 2026-03-09
Modernizing and clarifying timely payment requirements for health carriers. (Senate Final Passage as Amended by the House)
SB5974 · 2026-03-09
Modernizing and strengthening laws concerning sheriffs, police chiefs, town marshals, law enforcement agency volunteers, youth cadets, specially commissioned officers, and police matrons. (Senate Final Passage as Amended by the House)
SB5880 · 2026-03-09
Concerning toxicology testing by certified or accredited laboratories. (Senate Final Passage as Amended by the House)
SB5911 · 2026-03-09
Strengthening the financial stability of persons in the care of the department of children, youth, and families. (Senate Final Passage as Amended by the House)
Complete voting record from LegiScan (showing the 60 most recent of 1328 total roll-call votes this session).
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