Connecticut Senate · District 19

Cathy Osten's Connecticut Senate voting record

Democratic
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Cathy Osten (Democratic) is a member of the Connecticut Senate for District 19. This page covers the 588 floor roll calls held while Cathy Osten was in office, from Jan. 28, 2025 to May 6, 2026. Votes with the Senate President Pro Tempore on 96% of contested votes. Votes with own party on 96% of party-line votes. 66th percentile in the Connecticut Senate from liberal to conservative. Didn't vote on 6% of roll calls. Cathy Osten sponsored 142 statewide bills this term; 6 passed. Below are the contested votes where Cathy Osten split from the Senate President Pro Tempore or the party, recent key votes, every roll call with filters, the bills Cathy Osten sponsored and contact details.

Votes with the Senate President Pro Tempore 96% On 256 contested votes where both voted · 98% on all votes Votes with own party 96% Partisan rank: 28 of 36 in the Senate (tied with 1 other) Didn't vote at roll call 6% 34 of 588 roll calls
Bills passed 6 142 sponsored · 6 became law · Rank 22 of 36 in the Senate (tied with 1 other) Bills that became law 6 of 6 passed · 0 vetoed

Where they sit

Every current senator, placed from most liberal to most conservative by how they voted on contested bills.

How these numbers work →
Osten
← Most liberalThe aisleMost conservative →
Votes with DemocratsCrosses party linesVotes with Republicans

Cathy Osten's seat is marked. Seats run from most liberal (left) to most conservative (right), by contested floor votes. Color shows how often each member crosses party lines toward the middle on votes that divide the parties: solid blue or red means almost never, and purple means on at least 1 in 5 of those votes. Gray seats are members too new to score. How these numbers work

Connecticut Senate66th percentile
More conservative than 65% of the Connecticut Senate.
Most liberalMost conservative
13th most conservative of 36

On the November 3 ballot

Running for Connecticut Senate District 19.

Also on the ballot: Jason Guidone (Republican)

Who's on your Nov. 3 ballot for the Legislature →

The scores

How these numbers work →
Votes with the Senate President Pro Tempore
96%
Democrats Republicans 0%100%

Each tick is a current senator, by party; the dot is Cathy Osten.

On 256 contested votes where both voted98% on all 554 votes where both voted
Votes with own party
96%
Democrats Republicans 75%100%

Each tick is a current senator, by party; the dot is Cathy Osten.

On 234 party-line votesPartisan rank: 28 of 36 in the Senate (tied with 1 other)27 senators vote with their party more often

Bills

The bills Cathy Osten sponsored this term and how far they got. Co-sponsors aren’t counted.

How these numbers work →
Bills
Sponsored142
Passed both chambers6
Became law6
Vetoed by the Governor0

Rank by bills passed: Rank 22 of 36 in the Senate (tied with 1 other) · 22 of 25 Democrats (tied with 1 other)

A bill counts for the members who introduced it; bills introduced by a committee count for no one.

Bills that passed both chambers

BillResultFinal action
SB 5 (2026 Regular Session)
An Act Concerning Online Safety		 Became law May 27, 2026
SB 4 (2026 Regular Session)
An Act Concerning Consumer Privacy and Protection		 Became law May 27, 2026
SB 1 (2026 Regular Session)
An Act Making Adjustments to the State Budget for the Biennium Ending June 30, 2027, Making Deficiency Appropriations for the Fiscal Year Ending June 30, 2026, Authorizing and Adjusting Bonds of the State and Concerning Provisions Relating to Revenue, School Construction and Other Items to Implement the State Budget		 Became law May 26, 2026
SB 4 (2025 Regular Session)
An Act Concerning Energy Affordability, Access and Accountability		 Became law July 1, 2025
SB 10 (2025 Regular Session)
An Act Concerning Health Insurance and Patient Protection		 Became law June 24, 2025
SB 3 (2025 Regular Session)
An Act Concerning Consumer Protection and Safety		 Became law June 10, 2025

Budget projects

Connecticut's budget bills don't say which legislator asked for an item, so there's no budget figure for Connecticut legislators.

Contested votes where they split

10 against the Senate President Pro Tempore; 10 against most of their party.

DateBill and motion Their voteSenate President Pro TemporeMost of their party
May 6, 2026 HB 5340: An Act Concerning Renewable Power Generation
Amendment		 Yea Nay Nay
May 5, 2026 HB 5043: An Act Prohibiting the Manufacture and Sale of Convertible Pistols
Passage in Concurrence		 Nay Yea Yea
May 4, 2026 HB 5468: An Act Concerning the Provision of Equivalent Instruction
Passage in Concurrence		 Nay Yea Yea
April 23, 2026 HB 5044: An Act Establishing Connecticut Vaccine Standards
Passage in Concurrence		 Nay Yea Yea
April 22, 2026 SB 325: An Act Prohibiting the Disclosure of the Residential Address of Public School Teachers Under the Freedom of Information Act and Establishing a Task Force…
Passage		 Nay Yea Yea
April 22, 2026 SB 485: An Act Concerning a Technical Change Concerning Government Organization
Passage		 Nay Yea Yea
May 30, 2025 HB 5002: An Act Concerning Housing and the Needs of Homeless Persons
Passage in Concurrence		 Nay Yea Yea
May 29, 2025 HB 7042: An Act Concerning Implementation of the Firearm Industry Responsibility Act
Passage in Concurrence		 Nay Yea Yea
May 13, 2025 SB 6: An Act Concerning Resources and Supports for Infants, Toddlers and Disconnected Youths
Passage		 Nay Yea Yea
May 13, 2025 SB 6: An Act Concerning Resources and Supports for Infants, Toddlers and Disconnected Youths
Amendment		 Yea Nay Nay

Recent key votes

Cathy Osten's most recent key votes: contested or party-line votes that gave the chamber's last word on a whole bill (passage, budgets included, the other chamber's changes or a conference report) or overrode a veto, with what each bill does where a checked explanation exists. The full record is below.

How these numbers work →
  1. May 6, 2026
    Senate
    HB 5340: An Act Concerning Renewable Power Generation
    Voted yea Passage in Concurrence · Yeas 27, nays 9

    What the bill does: We don't have a checked plain-language explanation of this bill yet; the vote page links to the official record.

  2. May 6, 2026
    Senate
    HB 5001: An Act Concerning Absentee Voting for All and Various Other Reforms to the Administration of Elections
    Voted yea Passage in Concurrence · Yeas 25, nays 11

    What the bill does: We don't have a checked plain-language explanation of this bill yet; the vote page links to the official record.

  3. May 5, 2026
    Senate
    HB 5043: An Act Prohibiting the Manufacture and Sale of Convertible Pistols
    Voted nayAgainst most of their partyAgainst the Senate President Pro Tempore Passage in Concurrence · Yeas 22, nays 11

    What the bill does: We don't have a checked plain-language explanation of this bill yet; the vote page links to the official record.

  4. May 5, 2026
    Senate
    SB 477: An Act Concerning the Failure to File for Certain Grand List Exemptions
    Voted yea Passage · Yeas 25, nays 11

    What the bill does: We don't have a checked plain-language explanation of this bill yet; the vote page links to the official record.

  5. May 5, 2026
    Senate
    HB 5464: An Act Implementing Recommendations from the Department of Transportation
    Voted yea Passage in Concurrence · Yeas 32, nays 4

    What the bill does: We don't have a checked plain-language explanation of this bill yet; the vote page links to the official record.

Every roll call

How Cathy Osten voted on each of the 588 floor roll calls while in office, newest first.

DateVoteTheir vote Most of their partySenate President Pro TemporeYeas–nays
May 6, 2026HB 5340: An Act Concerning Renewable Power Generation
Passage in Concurrence		YeaYeaYea27–9
May 6, 2026HB 5001: An Act Concerning Absentee Voting for All and Various Other Reforms to the Administration of Elections
Passage in Concurrence		YeaYeaYea25–11
May 5, 2026HB 5043: An Act Prohibiting the Manufacture and Sale of Convertible Pistols
Passage in Concurrence		NayYeaYea22–11
May 5, 2026SB 477: An Act Concerning the Failure to File for Certain Grand List Exemptions
Passage		YeaYeaYea25–11
May 5, 2026HB 5464: An Act Implementing Recommendations from the Department of Transportation
Passage in Concurrence		YeaYeaYea32–4
May 5, 2026HB 5581: An Act Amending a Prior Conveyance of a Parcel of State Land to the Town of Rocky Hill to Change the Acreage and Identification of Said Parcel
Passage in Concurrence		YeaYeaYea27–9
May 4, 2026HB 5468: An Act Concerning the Provision of Equivalent Instruction
Passage in Concurrence		NayYeaYea22–14
May 4, 2026SB 319: An Act Concerning the Use of Battery-Powered Leaf Blowers and Similar Equipment by the State and Municipalities
Passage		YeaYeaYea26–10
May 2, 2026SB 1: An Act Concerning Affordability
Passage		YeaYeaYea30–6
May 1, 2026SB 369: An Act Establishing Various Requirements Regarding Elevators
Passage		YeaYeaYea24–10
May 1, 2026HB 5003: An Act Concerning Workforce Development and Working Conditions in the State
Passage		YeaYeaYea28–7
April 30, 2026HB 5350: An Act Concerning Cannabis, Hemp and Infused Beverage Regulation
Passage in Concurrence		YeaYeaYea18–17
April 30, 2026HB 5288: An Act Concerning Utility Connections for Accessory Apartments
Passage in Concurrence		YeaYeaYea26–10
April 30, 2026SB 256: An Act Concerning the Purchase of Residential Property by Private Equity Entities
Passage		YeaYeaYea27–9
April 30, 2026SB 266: An Act Limiting the Access of Private Equity to Funds from the Early Childhood Education Endowment
Passage		YeaYeaYea24–12
April 29, 2026SB 399: An Act Permitting Separate Areas for Exercise on the Basis of Sex in Health Clubs and Gyms and Concerning the Disposition of Cases Before the Commission on…
Passage		YeaYeaYea31–5
April 29, 2026SB 87: An Act Strengthening Nonprofits
Passage		YeaYeaYea25–11
April 29, 2026SR 12: Resolution Proposing Approval of an Agreement Between the State of Connecticut and the State Employees Bargaining Agent Coalition (Sebac)
Passage		YeaYeaYea26–10
April 28, 2026SB 347: An Act Increasing the Threshold Amount for Felony Unemployment Compensation Fraud
Passage		YeaYeaYea26–9
April 28, 2026SB 503: An Act Concerning Sentencing of and Parole Eligibility for Individuals Whose Offense Was Committed When Such Individual Was Under the Age of Twenty-Six Years
Passage		YeaYeaYea24–12
April 28, 2026SB 335: An Act Concerning Utility Charges for Residential Dwelling Units
Passage		YeaYeaYea27–9
April 23, 2026HB 5044: An Act Establishing Connecticut Vaccine Standards
Passage in Concurrence		NayYeaYea22–12
April 23, 2026SB 4: An Act Concerning Consumer Privacy
Passage		YeaYeaYea31–4
April 22, 2026SB 325: An Act Prohibiting the Disclosure of the Residential Address of Public School Teachers Under the Freedom of Information Act and Establishing a Task Force…
Passage		NayYeaYea26–10
April 22, 2026SB 485: An Act Concerning a Technical Change Concerning Government Organization
Passage		NayYeaYea26–10
April 22, 2026SB 196: An Act Concerning Hospital Sale-Leaseback Agreements and Attestations Concerning Lack of Private Equity Control of the Hospital and Control of or Interference…
Passage		YeaYeaYea27–9
April 21, 2026SB 5: An Act Concerning Online Safety
Passage		YeaYeaYea32–4
April 21, 2026SB 452: An Act Concerning the Release of Lighter-Than- Air Balloons
Passage		YeaYeaYea31–4
April 15, 2026SB 147: An Act Concerning a Study on the Need for Extended Producer Responsibility for Solar Panels and Vapes and Including Aerosol Paints Under the Paint Stewardship…
Passage		YeaYeaYea28–8
April 15, 2026SB 339: An Act Allowing Long-Term Rental of Bedrooms in a Single-Family Home as of Right
Passage		YeaYeaYea29–7
April 15, 2026SB 222: An Act Permitting Interscholastic Athletics to Be Used as Credit Toward the Physical Education Requirement for Purposes of High School Graduation
Passage		YeaYeaYea32–4
April 15, 2026SB 268: An Act Authorizing the Comptroller to Withhold Payment for Violations of the Prevailing Wage Statutes
Passage		YeaYeaYea31–5
April 14, 2026SB 397: An Act Concerning Democracy and Government Accountability
Passage		Not votingYeaYea24–10
April 14, 2026SB 274: An Act Concerning Nonresident Landlord Registration and Increasing Penalties for Repeat Building and Fire Code Violations
Passage		YeaYeaYea24–10
Feb. 25, 2026SB 298: An Act Concerning the Reallocation of Certain State Funds and Various Provisions Relating to Education, Public Safety, General Government, Elections…
Passage		YeaYeaYea26–10
Feb. 4, 2026SB 83: An Act Establishing the Federal Cuts Response Fund
Passage		YeaYeaYea28–8
Nov. 13, 2025HB 8002: An Act Concerning Housing Growth
Passage in Concurrence		YeaYeaYea24–10
Nov. 13, 2025HB 8001: An Act Concerning the University of Connecticut Health Center Joint Venture Initiative
Passage in Concurrence		YeaYeaYea31–4
Nov. 13, 2025HB 8004: An Act Concerning Children's Behavioral Health, a Standard Self-Employment Expense Deduction for Temporary Family Assistance, the Telecommunications Surcharge…
Passage in Concurrence		YeaYeaYea27–8
Nov. 13, 2025HB 8003: An Act Concerning Temporary Adjustments to the Budget Reserve Fund and Appropriating Funds to Address Reductions in Federal Funding
Passage in Concurrence		YeaYeaYea27–8
June 4, 2025HB 7192: An Act Implementing Recommendations of the Bipartisan Drug Task Force
Passage in Concurrence		YeaYeaYea32–4
June 4, 2025HB 7004: An Act Concerning Municipal Issues
Passage in Concurrence		YeaYeaYea25–11
June 4, 2025HB 7283: An Act Conveying a Parcel of State Land to the Capital Region Development Authority
Passage in Concurrence		YeaYeaYea27–9
June 4, 2025HB 7231: An Act Concerning Sunday Hunting
Passage in Concurrence		YeaYeaYea32–4
June 4, 2025HB 5004: An Act Concerning the Protection of the Environment and the Development of Renewable Energy Sources and Associated Job Sectors
Passage in Concurrence		YeaYeaYea26–10
June 3, 2025HB 7287: An Act Concerning the State Budget for the Biennium Ending June 30, 2027, and Making Appropriations Therefor, and Provisions Related to Revenue and Other…
Passage in Concurrence		YeaYeaYea25–11
May 30, 2025HB 5002: An Act Concerning Housing and the Needs of Homeless Persons
Passage in Concurrence		NayYeaYea20–15
May 30, 2025SB 1: An Act Increasing Resources for Students, Schools and Special Education
Passage		YeaYeaYea32–4
May 29, 2025SB 1386: An Act Concerning Dog Breed in Insurance Underwriting and Evaluating the Feasibility of Establishing a Penalty for Misrepresenting a Dog as a Service Animal
Passage		YeaYeaYea30–6
May 29, 2025HB 7042: An Act Concerning Implementation of the Firearm Industry Responsibility Act
Passage in Concurrence		NayYeaYea25–11
May 28, 2025SB 1358: An Act Concerning Equitable Compensation for State-Contracted Nonprofit Human Services Providers
Passage		YeaYeaYea28–8
May 28, 2025SB 1312: An Act Implementing the Recommendations of the Labor Department
Passage		YeaYeaYea25–11
May 28, 2025SB 8: An Act Concerning Protections for Workers and Enhancements to Workers' Rights
Passage		YeaYeaYea24–11
May 27, 2025HB 7259: An Act Concerning Revisions to Various Statutes Concerning Criminal Justice
Passage in Concurrence		YeaYeaYea25–11
May 27, 2025HB 7213: An Act Concerning Access to Reproductive Health Care
Passage in Concurrence		YeaYeaYea31–5
May 27, 2025SB 1377: An Act Implementing the Recommendations of the Department of Transportation
Passage		Not votingYeaYea31–4
May 22, 2025SB 7: An Act Concerning Protections for Access to Health Care and the Equitable Delivery of Health Care Services in the State
Passage		YeaYeaYea25–10
May 22, 2025HB 6913: An Act Concerning LGBTQ+ Discrimination in Long-Term Care Facilities
Passage in Concurrence		YeaYeaYea26–10
May 21, 2025SB 10: An Act Concerning Health Insurance and Patient Protection
Passage		YeaYeaYea31–5
May 21, 2025SB 797: An Act Requiring Scheduled Start Time Disclosures in Motion Picture Advertisements
Passage		YeaYeaYea27–9
May 21, 2025SB 514: An Act Establishing a Net Equality Program
Passage		YeaYeaYea29–7
May 20, 2025SB 1481: An Act Prohibiting Discrimination in Services Funded Under Medicaid
Passage		YeaYeaYea24–11
May 20, 2025SB 1355: An Act Concerning Prescription Drugs
Passage		YeaYeaYea24–11
May 20, 2025SB 1371: An Act Establishing a Just Cause Standard for Teacher Contract Terminations and Making the Decision of a Neutral Hearing Officer in Teacher Contract…
Passage		YeaYeaYea27–8
May 19, 2025HB 6863: An Act Making Deficiency Appropriations for the Fiscal Year Ending June 30, 2025
Passage in Concurrence		YeaYeaYea24–10
May 15, 2025SB 3: An Act Concerning Consumer Protection and Safety
Passage		YeaYeaYea25–10
May 15, 2025SB 1387: An Act Concerning the Prescribed Duties of the Executive Director of the Criminal Justice Information System Governing Board and the Information Technology…
Passage		YeaYeaYea31–5
May 15, 2025SB 9: An Act Concerning the Environment, Climate and Sustainable Municipal and State Planning, and the Use of Neonicotinoids and Second-Generation Anticoagulant…
Passage		YeaYeaYea28–8
May 14, 2025SB 2: An Act Concerning Artificial Intelligence
Passage		YeaYeaYea32–4
May 14, 2025SB 1222: An Act Concerning Portal to Portal Workers' Compensation Coverage for Public Works Department Employees
Passage		YeaYeaYea24–12
May 14, 2025SB 1317: An Act Concerning Liens for Violations of the Housing Code
Passage		YeaYeaYea29–7
May 14, 2025SB 1488: An Act Authorizing the Comptroller to Withhold Payment for Violations of the Prevailing Wage Statutes
Passage		YeaYeaYea27–8
May 14, 2025SB 1356: An Act Concerning Data Privacy, Online Monitoring, Social Media and Data Brokers
Passage		YeaYeaYea26–9
May 13, 2025SB 6: An Act Concerning Resources and Supports for Infants, Toddlers and Disconnected Youths
Passage		NayYeaYea22–12
May 13, 2025SB 1373: An Act Requiring the Licensure of Lactation Consultants
Passage		YeaYeaYea24–11
May 13, 2025SB 1360: An Act Requiring Legislative Confirmation of the Appointment of the Department of Social Services' Medicaid Director
Passage		YeaYeaYea24–11
May 8, 2025SB 1427: An Act Expanding Paid Family and Medical Leave Insurance Program Benefits to Certain School Employees
Passage		Not votingYeaYea24–11
May 7, 2025SB 1187: An Act Concerning Foreclosure, Assignment and Other Enforcement Actions for Unpaid Sewer Assessments and Other Fees and Charges
Passage		YeaYeaYea23–11
May 1, 2025SB 1221: An Act Making Changes to the Connecticut Retirement Security Program
Passage		YeaYeaYea25–11
May 1, 2025SB 1384: An Act Allowing Board Members of Quasi-Public Agencies to Obtain Health Insurance Coverage Under the State Employee Plan
Passage		YeaYeaYea20–14
May 1, 2025SB 1184: An Act Increasing the Threshold for Sealed Bidding on Certain Municipal Contracts
Passage		YeaYeaYea30–6
May 1, 2025SB 1493: An Act Concerning the Uniform Investigation of Accident Report and Certain Reports by Peace Officers
Passage		YeaYeaYea25–11
April 15, 2025SB 1490: An Act Concerning the Sale of Battery- Powered Smoke Detectors in the State
Passage		YeaYeaYea27–4
March 5, 2025HB 7163: An Act Concerning Emergency Grants to Municipalities for Special Education
Passage in Concurrence		YeaYeaYea26–7
March 5, 2025SB 1453: An Act Concerning Emergency Nonprofit Assistance
Passage		YeaYeaYea25–10
Feb. 25, 2025HB 7066: An Act Concerning Interactions Between School Personnel and Immigration Authorities, the Purchase and Operation of Certain Drones, Grants to Certain Nonprofit…
Passage in Concurrence		YeaYeaYea25–9
Feb. 25, 2025HB 7066: An Act Concerning Interactions Between School Personnel and Immigration Authorities, the Purchase and Operation of Certain Drones, Grants to Certain Nonprofit…
Passage in Concurrence		YeaYeaYea25–9

Contested and party-line votes link to their own pages; the rest link to the official record.

Contact, committees and caucuses

Contact

Email
osten@senatedems.ct.gov
Capitol office
Room 2700, Legislative Office Building 300 Capitol Ave., Hartford, CT 06106
860-240-0579

Committees

  • Appropriations Co-chair
  • General Law
  • Legislative Management
  • Legislative Regulation Review
  • Transportation
  • Veterans' and Military Affairs

Contact details and committee assignments from Open States' data on the Connecticut General Assembly, which it collects from the chambers' websites, as of Oct. 20, 2026.

Source: the Connecticut House and Senate Journals, Jan. 8, 2025 to May 6, 2026. How these numbers work · Corrections