Nonpartisan · Data from OpenStates / Plural Policy · Washington
Democratic
· Senator
Vandana Slatter
Represents District 48 in the State Senate.
Votes with Democrats
99%
on 373 party-line votes · Senate Democrats median 99%
Cast a vote
97%
Yea or Nay on 1,248 of 1,288 roll calls · Senate median 97%
Their bills that became law
5 of 33
as a primary sponsor, this session · Democrats median 9
Roll calls on record
1,288
2025-2026 Regular Session
Votes and bills updated Oct 6, 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 Vandana Slatter 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 Vandana Slatter 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. Vandana Slatter is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
1 of 373 party-line votes.
HB2081 · Modifying business and occupation tax surcharges, rates, and the advanced computing surcharge cap, clarifying the business and occupation tax deduction for certain investments, and creating a temporary business and occupation tax surcharge on large companies.
Senate 3rd Reading & Final Passage · 2025-04-26 · 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
SB5423 · Supporting the servicing and right to repair of certain products with digital electronics in a secure and reliable manner.
Senate Committee on Environment, Energy & Technology: do pass · 2025-02-21 · Passed 6–5
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 · 459 shared contested votes
37%
Jeff HolyRepublican · District 6 · 410 shared contested votes
35%
Curtis KingRepublican · District 14 · 413 shared contested votes
34%
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 (40 in all). Gaps are months the chamber wasn’t voting.
← Washington Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Vandana Slatter 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.
Introduced33
Out of committee22
Passed one chamber11
Passed both chambers5
Became law5
Never left committee11
For comparison, the median Democratic member of the Senate has 9 bills that became law this session.
Concerning emissions from emissions-intensive, trade-exposed facilities under the climate commitment act.
Became lawEffective date 6/11/2026. · 2026-03-30
Concerning renters' and mobile home occupants' ability to install portable cooling devices.
Became lawEffective date 6/11/2026. · 2026-03-24
Modernizing and clarifying timely payment requirements for health carriers.
Became lawEffective date 6/11/2026*. · 2026-03-23
Concerning the health plan certification process.
Passed one chamberBy resolution, returned to Senate Rules Committee for third reading. · 2026-03-12
Concerning department of health information on dementia.
Passed one chamberBy resolution, returned to Senate Rules Committee for third reading. · 2026-03-12
Expanding prescriptive authority for pharmacists.
Passed one chamberBy resolution, returned to Senate Rules Committee for third reading. · 2026-03-12
Concerning tax exemptions for unoccupied property used for affordable housing that is owned by a nonprofit entity.
Out of committeeSenate Rules "X" file. · 2026-02-26
Providing prelicensing supports to individuals interested in becoming a licensed child care provider.
Out of committeeSenate Rules "X" file. · 2026-02-26
Increasing coordination and alignment throughout the P20W system.
Out of committeeSenate Rules "X" file. · 2026-02-26
Sustaining life-saving and prosperity-building scientific research in Washington by establishing the Washington institute for scientific advancement.
Not out of committeePublic hearing in the Senate Committee on Higher Education & Workforce Development at 10:30 AM. · 2026-02-23
Establishing tax exemptions for property used as affordable housing owned or operated by a social housing agency.
Out of committeeReferred to Ways & Means. · 2026-02-04
Concerning Washington's property assessment appeal procedures.
Not out of committeeExecutive session scheduled, but no action was taken in the Senate Committee on Local Government at 1:30 PM. · 2026-01-22
Establishing a medical loss ratio of at least 90 percent for health plans.
Not out of committeeFirst reading, referred to Health & Long-Term Care. · 2026-01-12
Amending the Constitution to address reproductive freedom and gender-affirming care.
Not out of committeeBy resolution, reintroduced and retained in present status. · 2026-01-12
Expanding local taxing authority to fund public safety and community protection focused programs and services.
Passed one chamberRules Committee relieved of further consideration. On motion, referred to Ways & Means. · 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 1288 total roll-call votes this session).
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