Nonpartisan · Data from OpenStates / Plural Policy · Maryland
Democratic
· Delegate
David Moon
Represents District 20 in the House of Delegates.
Votes with Democrats
100%
on 548 party-line votes · House Democrats median 99%
Cast a vote
99%
Yea or Nay on 1,480 of 1,488 roll calls · House median 97%
Their bills that became law
2 of 9
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 David Moon 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 David Moon 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. David Moon is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
0 of 548 party-line votes.
They voted with most Democrats on every party-line vote this session.
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB774 · Landlord and Tenant – Residential Leases and Holdover Tenancies – Local Good Cause Termination (Good Cause Eviction)
Floor Amendment 603727/1 (Delegate Schmidt) Rejected · 2026-04-03 · Failed 37–71
SB284 · Budget Reconciliation and Financing Act of 2026
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.
Floor Amendment 993923/1 (Delegate Mangione) Rejected · 2026-04-13 · Failed 42–84
SB791 · Correctional Services and Criminal Procedure – Immigration Enforcement – Prohibitions (Community Trust Act)
In plain English Prohibits local correctional facilities and law enforcement from taking certain immigration enforcement actions, with specified exceptions.
Floor Amendment 483221/1 (Delegate Pippy) Rejected · 2026-04-11 · Failed 41–83
HB577 · Criminal Law – Firearm Crimes – Machine Gun Convertible Pistols
Floor Amendment 863721/1 (Delegate Schmidt) Rejected · 2026-04-07 · Failed 45–88
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 · 531 shared contested votes
55%
Kevin HornbergerRepublican · District 35B · 558 shared contested votes
34%
Jim HinebaughRepublican · District 1A · 496 shared contested votes
21%
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 (8 in all). Gaps are months the chamber wasn’t voting.
← Maryland Delegation
YeaYeaYeaNayNayNayNayNayNayNayNayYeaNayNayYeaNayNayNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills David Moon 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.
Introduced9
Out of committee4
Passed one chamber4
Passed both chambers2
Became law2
Never left committee5
For comparison, the median Democratic member of the House has 3 bills that became law this session.
What their bills are about
Education 3Electronic Government 3Expungement and Shielded Records 3Records 3Civil Actions 3Civil Actions and Procedures 3
Law Enforcement – Protective Body Armor – Requirements and Reporting
In plain English Requires law enforcement agencies to issue protective body armor meeting certain standards to officers assigned non-administrative duties.
Official synopsis: Providing that a law enforcement agency may not assign a law enforcement officer to duties other than administrative duties unless the officer is issued protective body armor; requiring a law enforcement agency to issue only protective body armor that meets certain standards and has not…
Became lawApproved by the Governor – Chapter 462 · 2026-05-12
Civil Actions – Violation of Constitutional Rights (No Kings Act)
In plain English Allows civil lawsuits against individuals who, acting under government authority, deprive others of constitutional rights or federal legal protections.
Official synopsis: Establishing certain civil liability for an individual who, under color of law, deprives another, or causes or allows another to be deprived, of a right, a privilege, or an immunity secured by the U.S. Constitution or the laws of the United States.
Became lawApproved by the Governor – Chapter 459 · 2026-05-12
Criminal Law – Third-Degree Assault
Establishing that it is a misdemeanor to intentionally cause offensive contact, engage in conduct tending to put another in fear of offensive contact, or attempt to cause offensive contact; providing a penalty for a person who violates the Act of imprisonment of up to 90…
Passed one chamberThird Reading Passed (44-0) · 2026-04-13
State Finance – Delinquent Federal Funds (Federal Obligations Enforcement Act)
Reserving jurisdiction with respect to certain federal land in the State under certain conditions; authorizing the Central Collection Unit of the Department of Budget and Management to collect a certain amount of delinquent federal funds; authorizing the Central Collection Unit, under a certain circumstance, to…
Passed one chamberReferred Rules · 2026-04-10
Courts and Judicial Proceedings – Evidence – Rebuttable Presumption of Medical Bills
Establishing a rebuttable presumption in an action for personal injury or wrongful death that a medical bill from a health care provider or an agent of the health care provider is authentic, fair, and reasonable if the bill was properly provided in discovery; and establishing…
Not out of committeeHearing 3/11 at 2:00 p.m. · 2026-03-11
School Construction and Housing – School Zones and Adequate Public Facilities Ordinances
Requiring each county board of education to submit a student residency and school zones report to the Department of Planning and the Interagency Commission on School Construction on or before July 1 each year, beginning on July 1, 2026; prohibiting certain adequate public facilities ordinances…
Not out of committeeHearing 2/17 at 1:00 p.m. · 2026-02-09
Civil Actions – Punitive Damage Awards – Surcharge
Providing that punitive damages may be awarded in a civil action only if the plaintiff proves by clear and convincing evidence that the defendant acted with gross negligence; requiring the State Court Administrator to assess a certain surcharge on a defendant against whom a judgment…
Not out of committeeHearing 2/18 at 1:00 p.m. · 2026-02-05
Criminal Procedure – Automated Expungement (Clean Slate Act of 2026)
Requiring the Department of Public Safety and Correctional Services and the Judiciary to expunge all cases meeting certain criteria on or before July 1, 2028; and requiring the Department and the Judiciary to expunge certain newly eligible cases on a monthly basis.
Not out of committeeHearing 3/03 at 1:00 p.m. · 2026-01-29
Criminal Procedure – Expungement – Adverse Actions and Removal From Maryland Electronic Courts (MDEC) System
Clarifying that refusal by a person to disclose information about criminal charges that have been expunged may not be the sole reason for a unit, an official, or an employee of the State or a political subdivision of the State to deny the person's application…
Not out of committeeHearing 3/03 at 1:00 p.m. · 2026-01-29
“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)
HB2101 · 2026-08-04
Arbitration Reform for State Employees Act of 2026 – Withdraw and Repeal of Duplicate Proposed Constitutional Amendment (Third Reading Passed)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Favorable with Amendments 923921/1 Adopted)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 403926/1 (Delegate Buckel) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 823729/1 (Delegate Pippy) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 183623/1 (Delegate R. Long) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 423426/1 (Delegate M. Morgan) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 633228/1 (Delegate Szeliga) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 163923/1 (Delegate Kipke) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 563421/1 (Delegate Griffith) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 703123/1 (Delegate R. Long) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Decision of the Chair upheld)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 623323/1 (Delegate Arikan) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 423321/1 (Delegate Grammer) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Decision of the Chair upheld)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 933322/1 (Delegate Arikan) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 963724/1 (Delegate Nawrocki) Rejected)
HB2100 · 2026-08-03
Election Districts – General Assembly and Representatives in Congress (Floor Amendment 283424/1 (Delegate M. Morgan) Rejected)
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)
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)
HB862 · 2026-08-03
Railroads – Required Crew for Movement of Freight (Overridden)
SB204 · 2026-04-13
Public Schools – Maryland Civic Excellence Program – Established (Third Reading Passed)
HB107 · 2026-04-13
Motor Vehicles – Intelligent Speed Assistance System Pilot Program – Establishment (Third Reading Passed)
HB1118 · 2026-04-13
Health, Health Insurance, and Health Occupations – Perinatal Behavioral Health Conditions (Third Reading Passed)
SB360 · 2026-04-13
Criminal Law – Emergency Response Animal – Prohibited Actions Against (Third Reading Passed)
SB18 · 2026-04-13
State Board of Social Work Examiners – Provisional License to Practice Social Work – Established (Third Reading Passed)
SB111 · 2026-04-13
Vehicle Laws – Out-of-State Vehicles – Improper Registration (Third Reading Passed with Amendments)
SB335 · 2026-04-13
Landlord and Tenant – Discrimination in Housing for Income-Based Housing Subsidies and Positive Rental History Reporting (Third Reading Passed)
SB242 · 2026-04-13
Modernizing Civil Relief for Service Members Act (Third Reading Passed)
SB366 · 2026-04-13
Motor Vehicles – Intelligent Speed Assistance System Pilot Program – Establishment (Third Reading Passed)
SB187 · 2026-04-13
Correctional Services – Comprehensive Rehabilitative Prerelease Services – Female Incarcerated Individuals (Monica Cooper Prerelease Act) (Third Reading Passed)
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)
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)
SB16 · 2026-04-13
Child Support – Earnings Withholdings Limits (Third Reading Passed)
SB820 · 2026-04-13
Alcohol, Tobacco, and Cannabis Commission – Unauthorized Consumable Products – Enforcement and Seizure (Third Reading Passed)
HB13 · 2026-04-13
Income Tax – Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (Third Reading Passed)
HB653 · 2026-04-13
Income Tax – Subtraction Modification for Public Safety Retirement Income – Amount (Third Reading Passed)
SB597 · 2026-04-13
Higher Education – Maryland Artificial Intelligence Partnership (Third Reading Passed)
HB1057 · 2026-04-13
Education – Artificial Intelligence – Guidelines, Professional Development, and Collaborative (Artificial Intelligence Ready Schools Act) (Third Reading Passed)
HB44 · 2026-04-13
Election Law – Petitions and Ballot Questions – Contents, Plain Language Requirement, and Procedures (Third Reading Passed)
SB461 · 2026-04-13
Supplemental Nutrition Assistance Program – Heat and Eat Program – Study (Third Reading Passed)
SB625 · 2026-04-13
Carbon Dioxide Capture, Removal, and Sequestration Projects – Regulations and Standards for Biochar and Wood Vault Technologies (Third Reading Passed)
SB807 · 2026-04-13
Alcoholic Beverages – Class 8 Farm Brewery Licenses (Third Reading Passed)
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)
SB148 · 2026-04-13
Income Tax – Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (Third Reading Passed)
HB1532 · 2026-04-13
Utility RELIEF (Reducing Energy Load Inflation for Everyday Families) Act (Third Reading Passed)
SB420 · 2026-04-13
Public Institutions of Higher Education – Pregnant and Parenting Students – Plan and Reporting (Third Reading Passed)
HB1297 · 2026-04-13
Income Tax – Student Loan Debt Relief Tax Credit – Alterations (Third Reading Passed)
SB389 · 2026-04-13
Land Use – Transit-Oriented Development – Alterations (Maryland Transit and Housing Opportunity Act) (Third Reading Passed)
SB898 · 2026-04-13
Maryland Medical Assistance Program – Behavior Technicians – Reimbursement (Third Reading Passed)
SB852 · 2026-04-13
Anne Arundel County – Alcoholic Beverages – Barbershop and Beauty Salon License (Third Reading Passed)
SB431 · 2026-04-13
Fish and Wildlife – Endangered and Threatened Species and Migratory Birds – Regulations, Lists, Petitions, Essential Habitats, and Takings (Third Reading Passed)
SB388 · 2026-04-13
Economic Development – Delivering Economic Competitiveness and Advancing Development Efforts (DECADE) Act (Third Reading Passed)
HB564 · 2026-04-13
Pet Cremation and Burial Services – Requirements (Pet Cremation and Burial Services Consumer Protection Act) (Third Reading Passed)
SB720 · 2026-04-13
Education – Artificial Intelligence – Guidelines, Professional Development, and Collaborative (Artificial Intelligence Ready Schools Act) (Third Reading Passed)
SB739 · 2026-04-13
Climate Change, Homeowner's Insurance, and Emergency Management – Study (Third Reading Passed)
SB893 · 2026-04-13
Business Regulation – Rounding Cash Transactions – Authorization (Third Reading Passed)
SB459 · 2026-04-13
Procurement – Advertising – Maryland News Organizations (Local News for Maryland Communities Act of 2026) (Third Reading Passed)
SB1 · 2026-04-13
Public Safety – Law Enforcement Officers – Face Coverings and Identification (Third Reading Passed)
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)
Complete voting record from LegiScan (showing the 60 most recent of 1488 total roll-call votes this session).
Primary Office
Sources:
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