Nonpartisan · Data from OpenStates / Plural Policy · Maryland
Jon Cardin
Democratic · Delegate

Jon Cardin

Represents District 11B in the House of Delegates.

Votes with Democrats
99%
on 469 party-line votes · House Democrats median 99%
Cast a vote
93%
Yea or Nay on 1,384 of 1,488 roll calls · House median 97%
Their bills that became law
4 of 13
as a primary sponsor, this session · Democrats median 3
Roll calls on record
1,488
2026 Regular Session
Votes and bills updated Oct 4, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 2026 Regular Session.

How Jon Cardin 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 Jon Cardin sits in the House

Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. Jon Cardin is circled.

Always on the Republican sideAlways on the Democratic side
Times they broke with their party

3 of 469 party-line votes.

HB1529 · Baltimore County – Local Commission on Common Ownership Communities
Nay
Third Reading Passed · 2026-03-23 · Passed 108–24 · most Democrats voted the other way
HB1630 · Queen Anne's County – Speed Monitoring System – U.S. Route 301
Nay
Third Reading Passed · 2026-03-23 · Passed 106–29 · most Democrats voted the other way
HB520 · State Board of Physicians – Naturopathic Doctors – Scope of Practice, Renewals, and Professional Liability Insurance
Nay
Third Reading Passed · 2026-03-11 · Passed 96–38 · most Democrats voted the other way
Closest votes they cast

Roll calls decided by the fewest votes, one per bill.

SB284 · Budget Reconciliation and Financing Act of 2026
Nay
Floor Amendment 823321/1 (Delegate Hornberger) Rejected · 2026-03-25 · Failed 45–86
SB627 · Korean American Day
In plain English Requires the Governor to proclaim January 13 as Korean American Day annually and urge educational and cultural organizations to observe it with appropriate programs and activities.
Nay
Floor Amendment 993923/1 (Delegate Mangione) Rejected · 2026-04-13 · Failed 42–84
HB577 · Criminal Law – Firearm Crimes – Machine Gun Convertible Pistols
Nay
Floor Amendment 863721/1 (Delegate Schmidt) Rejected · 2026-04-07 · Failed 45–88
SB141 · Election Law – Election Misinformation, Election Disinformation, and Deepfakes
In plain English Requires the state elections administrator to respond to credible reports of election misinformation or deepfakes by publicly correcting false information, and prohibits knowingly creating or spreading deepfakes with materially false election information.
Yea
Third Reading Passed · 2026-04-13 · Passed 85–38
HB1067 · Hunting – Lead and Lead-Based Ammunition – Phase-Out
Nay
Floor Amendment 373029/1 (Delegate Adams) Rejected · 2026-03-21 · Failed 37–84
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.

Stuart SchmidtRepublican · District 33B · 462 shared contested votes
59%
Kevin HornbergerRepublican · District 35B · 481 shared contested votes
38%
Seth HowardRepublican · District 30B · 464 shared contested votes
24%
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 (104 in all). Gaps are months the chamber wasn’t voting.

2026-01: 9 roll calls, 4 without a Yea or Nay2026-02: 105 roll calls, 1 without a Yea or Nay2026-03: 647 roll calls, 22 without a Yea or Nay2026-04: 706 roll calls, 76 without a Yea or Nay2026-08: 21 roll calls, 1 without a Yea or NayJan 2026Aug 2026
← Maryland Delegation
Their bills, from filing to law

Bills Jon Cardin 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.

Introduced13
Out of committee5
Passed one chamber5
Passed both chambers4
Became law4
Never left committee8

For comparison, the median Democratic member of the House has 3 bills that became law this session.

What their bills are about
Beneficiaries 6Estates and Trusts 5Residency 3Death 3Ethics 3Taxes – Miscellaneous 2
Maryland Trust Act – In Terrorem Clause – Void
In plain English Voids certain penalty clauses in trusts that punish beneficiaries for challenging the trust under Maryland law.
Official synopsis: Establishing that, under the Maryland Trust Act, a certain in terrorem clause contained in a trust is void under certain circumstances.
Became lawApproved by the Governor – Chapter 502 · 2026-05-12
Estates and Trusts – Venue for Administrative and Judicial Probate and Application of Inheritance Tax
In plain English Changes where probate cases can be filed for non-Maryland residents and alters inheritance tax rules for their intangible property.
Official synopsis: Altering certain criteria for determining the venue for administrative or judicial probate of decedents who were not domiciled in the State; providing that, for purposes of the application of the Maryland inheritance tax, the situs of intangible personal property is the domicile of the decedent;…
Became lawApproved by the Governor – Chapter 504 · 2026-05-12
Estates and Trusts – Fiduciaries – Attorney-Client Privilege
In plain English Clarifies that attorney-client privilege applies to communications between an attorney and a fiduciary client even when fiduciary funds pay for the attorney's services.
Official synopsis: Clarifying that a communication between an attorney and a client that acts as a fiduciary is subject to the attorney-client privilege even if fiduciary funds are used to compensate the attorney for services rendered to the client.
Became lawApproved by the Governor – Chapter 501 · 2026-05-12
Motor Vehicles and Marine Vessels – Transfer-on-Death Designations
Authorizing an individual who is the sole owner of a marine vessel or multiple individuals who jointly co-own a marine vessel to apply to the Department of Natural Resources to designate a beneficiary to take ownership of the marine vessel on the death of the…
Became lawApproved by the Governor – Chapter 72 · 2026-04-14
Judges – Mandatory Retirement Age
Proposing an amendment to the Maryland Constitution to raise the mandatory retirement age of certain judges in the State from 70 to 73, under certain circumstances; and establishing a mandatory retirement age for judges of the Orphans' Court, subject to a certain exception.
Passed one chamberHearing 4/03 at 1:00 p.m. · 2026-03-25
Estates and Trusts – Spousal Lifetime Access Trusts
Adding to the circumstances under which an individual who creates a trust for the benefit of the individual's spouse may not be considered the settlor of the trust with regard to the individual's interest in the trust.
Not out of committeeWithdrawn by Sponsor · 2026-02-23
Police Discipline – Order to Show Cause
Authorizing a police officer who is denied a certain right to apply to the circuit court at any time before a hearing is held by the hearing board for an order that directs the law enforcement agency to show cause why the right should not…
Not out of committeeHearing 2/24 at 1:00 p.m. · 2026-01-29
Circuit Court Judges – Selection and Retention Elections
Proposing amendments to the Maryland Constitution relating to the selection and tenure of circuit court judges; altering the method of filling vacancies in the office of a judge of a circuit court; providing for retention elections following an appointment to fill a vacancy in the…
Not out of committeeHearing 2/11 at 2:00 p.m. (Judiciary) · 2026-01-29
Motor Vehicles – Automated Speed Enforcement – Improper Registration
Requiring the Motor Vehicle Administration to enter into an agreement or arrangement with Virginia to obtain information regarding motor vehicles owned by Maryland residents and improperly registered in Virginia; requiring the Administration to make the information available to State and local governments for certain automated…
Not out of committeeHearing 2/19 at 1:00 p.m. · 2026-01-28
Recordation and Transfer Taxes – Exemption for Related Business Entities – Common Law Trusts
Altering an exemption from the recordation tax and State and county transfer tax for transfers between related business entities to include transfers involving common law trusts; and applying the Act to instruments of writing recorded on or after July 1, 2026.
Not out of committeeHearing 2/03 at 1:00 p.m. · 2026-01-24
Criminal Procedure – Incompetency to Stand Trial Dismissal
Altering the time period after which a court is required to dismiss a certain charge against a defendant found incompetent to stand trial under certain circumstances; and requiring a court to provide a certain notice and provide an opportunity to be heard to the State's…
Not out of committeeHearing 1/27 at 2:00 p.m. · 2026-01-16
Video Lottery Operations – Prohibitions on Campaign Contributions – Parity Act
Repealing the prohibition on applicants for and holders of video lottery operation licenses and persons who own an interest in video lottery facility operations in the State from directly or indirectly making contributions to certain campaign finance entities.
Not out of committeeHearing 1/29 at 1:00 p.m. · 2026-01-15
Inheritance Tax – Beneficiaries of Limited Means – Installment Payments
Requiring a register of wills to allow an installment payment plan for the inheritance tax to be paid by a certain beneficiary of limited means under certain circumstances and subject to certain limitations; and applying the Act to all decedents dying on or after July…
Not out of committeeFirst Reading Ways and Means · 2026-01-14

“In plain English” lines are written by ThePolitibase with AI (Claude), from the official synopsis only; the synopsis is the authoritative text. Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.

Loading committees…
HB2100 · 2026-08-04
Election Districts – General Assembly and Representatives in Congress (Third Reading Passed)
Passed · 96-38
Yea
HB2101 · 2026-08-04
Arbitration Reform for State Employees Act of 2026 – Withdraw and Repeal of Duplicate Proposed Constitutional Amendment (Third Reading Passed)
Passed · 90-34
Yea
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Favorable with Amendments 923921/1 Adopted)
Passed · 99-36
Yea
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 403926/1 (Delegate Buckel) Rejected)
Failed · 37-98
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 823729/1 (Delegate Pippy) Rejected)
Failed · 36-95
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 183623/1 (Delegate R. Long) Rejected)
Failed · 35-96
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 423426/1 (Delegate M. Morgan) Rejected)
Failed · 36-95
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 633228/1 (Delegate Szeliga) Rejected)
Failed · 35-94
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 163923/1 (Delegate Kipke) Rejected)
Failed · 35-95
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 563421/1 (Delegate Griffith) Rejected)
Failed · 33-95
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 703123/1 (Delegate R. Long) Rejected)
Failed · 34-97
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Decision of the Chair upheld)
Passed · 96-36
Yea
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 623323/1 (Delegate Arikan) Rejected)
Failed · 32-96
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 423321/1 (Delegate Grammer) Rejected)
Failed · 34-97
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Decision of the Chair upheld)
Passed · 93-37
Yea
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 933322/1 (Delegate Arikan) Rejected)
Failed · 1-129
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 963724/1 (Delegate Nawrocki) Rejected)
Failed · 33-97
Nay
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 283424/1 (Delegate M. Morgan) Rejected)
Failed · 33-96
Nay
HB2101 · 2026-08-03
Arbitration Reform for State Employees Act of 2026 – Withdraw and Repeal of Duplicate Proposed Constitutional Amendment (Motion Rules Suspend Two Readings Same Day (Delegate Moon) Adopted)
Passed · 98-34
Yea
HB2101 · 2026-08-03
Arbitration Reform for State Employees Act of 2026 – Withdraw and Repeal of Duplicate Proposed Constitutional Amendment (Decision of the Chair upheld)
Passed · 99-35
Yea
HB862 · 2026-08-03
Railroads – Required Crew for Movement of Freight (Overridden)
Passed · 99-30
NV
SB204 · 2026-04-13
Public Schools – Maryland Civic Excellence Program – Established (Third Reading Passed)
Passed · 137-0
Yea
HB107 · 2026-04-13
Motor Vehicles – Intelligent Speed Assistance System Pilot Program – Establishment (Third Reading Passed)
Passed · 99-31
Yea
HB1118 · 2026-04-13
Health, Health Insurance, and Health Occupations – Perinatal Behavioral Health Conditions (Third Reading Passed)
Passed · 132-2
Yea
SB360 · 2026-04-13
Criminal Law – Emergency Response Animal – Prohibited Actions Against (Third Reading Passed)
Passed · 136-0
Yea
SB18 · 2026-04-13
State Board of Social Work Examiners – Provisional License to Practice Social Work – Established (Third Reading Passed)
Passed · 105-29
Yea
SB111 · 2026-04-13
Vehicle Laws – Out-of-State Vehicles – Improper Registration (Third Reading Passed with Amendments)
Passed · 117-20
Yea
SB335 · 2026-04-13
Landlord and Tenant – Discrimination in Housing for Income-Based Housing Subsidies and Positive Rental History Reporting (Third Reading Passed)
Passed · 101-34
Yea
SB242 · 2026-04-13
Modernizing Civil Relief for Service Members Act (Third Reading Passed)
Passed · 135-0
Yea
SB366 · 2026-04-13
Motor Vehicles – Intelligent Speed Assistance System Pilot Program – Establishment (Third Reading Passed)
Passed · 99-33
Yea
SB187 · 2026-04-13
Correctional Services – Comprehensive Rehabilitative Prerelease Services – Female Incarcerated Individuals (Monica Cooper Prerelease Act) (Third Reading Passed)
Passed · 101-36
Yea
SB937 · 2026-04-13
Landlord and Tenant – Residential Leases – Prospective Tenant Criminal History Records Check (Maryland Fair Chance Housing Act) (Floor Amendment 223521/1 (Delegate Schmidt) Rejected)
Failed · 34-101
Nay
SB937 · 2026-04-13
Landlord and Tenant – Residential Leases – Prospective Tenant Criminal History Records Check (Maryland Fair Chance Housing Act) (Third Reading Passed with Amendments)
Passed · 97-36
Yea
SB16 · 2026-04-13
Child Support – Earnings Withholdings Limits (Third Reading Passed)
Passed · 135-0
Yea
SB820 · 2026-04-13
Alcohol, Tobacco, and Cannabis Commission – Unauthorized Consumable Products – Enforcement and Seizure (Third Reading Passed)
Passed · 134-2
Yea
HB13 · 2026-04-13
Income Tax – Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (Third Reading Passed)
Passed · 130-1
Yea
HB653 · 2026-04-13
Income Tax – Subtraction Modification for Public Safety Retirement Income – Amount (Third Reading Passed)
Passed · 135-0
Yea
SB597 · 2026-04-13
Higher Education – Maryland Artificial Intelligence Partnership (Third Reading Passed)
Passed · 129-2
Yea
HB1057 · 2026-04-13
Education – Artificial Intelligence – Guidelines, Professional Development, and Collaborative (Artificial Intelligence Ready Schools Act) (Third Reading Passed)
Passed · 124-11
Yea
HB44 · 2026-04-13
Election Law – Petitions and Ballot Questions – Contents, Plain Language Requirement, and Procedures (Third Reading Passed)
Passed · 134-0
Yea
SB461 · 2026-04-13
Supplemental Nutrition Assistance Program – Heat and Eat Program – Study (Third Reading Passed)
Passed · 135-1
Yea
SB625 · 2026-04-13
Carbon Dioxide Capture, Removal, and Sequestration Projects – Regulations and Standards for Biochar and Wood Vault Technologies (Third Reading Passed)
Passed · 110-25
Yea
SB807 · 2026-04-13
Alcoholic Beverages – Class 8 Farm Brewery Licenses (Third Reading Passed)
Passed · 135-0
Yea
SB777 · 2026-04-13
Labor and Employment – Workforce Development – Hospital Employee Retraining and Placement Program and Workforce Development and Local Workforce Development Boards (Local Workforce Solutions Investment Act) (Third Reading Passed)
Passed · 131-2
Yea
SB148 · 2026-04-13
Income Tax – Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (Third Reading Passed)
Passed · 136-0
Yea
HB1532 · 2026-04-13
Utility RELIEF (Reducing Energy Load Inflation for Everyday Families) Act (Third Reading Passed)
Passed · 105-27
Yea
SB420 · 2026-04-13
Public Institutions of Higher Education – Pregnant and Parenting Students – Plan and Reporting (Third Reading Passed)
Passed · 103-33
Yea
HB1297 · 2026-04-13
Income Tax – Student Loan Debt Relief Tax Credit – Alterations (Third Reading Passed)
Passed · 127-8
Yea
SB389 · 2026-04-13
Land Use – Transit-Oriented Development – Alterations (Maryland Transit and Housing Opportunity Act) (Third Reading Passed)
Passed · 102-34
Yea
SB898 · 2026-04-13
Maryland Medical Assistance Program – Behavior Technicians – Reimbursement (Third Reading Passed)
Passed · 136-0
Yea
SB852 · 2026-04-13
Anne Arundel County – Alcoholic Beverages – Barbershop and Beauty Salon License (Third Reading Passed)
Passed · 138-0
Yea
SB431 · 2026-04-13
Fish and Wildlife – Endangered and Threatened Species and Migratory Birds – Regulations, Lists, Petitions, Essential Habitats, and Takings (Third Reading Passed)
Passed · 108-26
Yea
SB388 · 2026-04-13
Economic Development – Delivering Economic Competitiveness and Advancing Development Efforts (DECADE) Act (Third Reading Passed)
Passed · 125-10
Yea
HB564 · 2026-04-13
Pet Cremation and Burial Services – Requirements (Pet Cremation and Burial Services Consumer Protection Act) (Third Reading Passed)
Passed · 132-2
Yea
SB720 · 2026-04-13
Education – Artificial Intelligence – Guidelines, Professional Development, and Collaborative (Artificial Intelligence Ready Schools Act) (Third Reading Passed)
Passed · 129-8
Yea
SB739 · 2026-04-13
Climate Change, Homeowner's Insurance, and Emergency Management – Study (Third Reading Passed)
Passed · 102-36
Yea
SB893 · 2026-04-13
Business Regulation – Rounding Cash Transactions – Authorization (Third Reading Passed)
Passed · 124-12
Yea
SB459 · 2026-04-13
Procurement – Advertising – Maryland News Organizations (Local News for Maryland Communities Act of 2026) (Third Reading Passed)
Passed · 129-7
Yea
SB1 · 2026-04-13
Public Safety – Law Enforcement Officers – Face Coverings and Identification (Third Reading Passed)
Passed · 100-37
Yea
HB1533 · 2026-04-13
Public Health – Cosmetic Products – Enforcement and Penalties for Prohibited Ingredients (Crown and Care Act – Protecting Communities from Harmful Hair Chemicals) (Third Reading Passed)
Passed · 101-34
Yea
Complete voting record from LegiScan (showing the 60 most recent of 1488 total roll-call votes this session).
Voting data provided by LegiScan, licensed under CC BY 4.0.
Primary Office
Sources:
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