Nonpartisan · Data from OpenStates / Plural Policy · Maryland
Democratic
· Delegate
Chao Wu
Represents District 9A in the House of Delegates.
Votes with Democrats
98%
on 509 party-line votes · House Democrats median 99%
Cast a vote
97%
Yea or Nay on 1,441 of 1,488 roll calls · House median 97%
Their bills that became law
1 of 10
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 Chao Wu 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 Chao Wu 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. Chao Wu is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
10 of 509 party-line votes.
SB255 · Voting Rights Act of 2026 – Counties and Municipal Corporations
In plain English Prohibits election methods for county and municipal governments that impair protected groups' ability to elect candidates of their choice or influence election outcomes.
Motion Vote Previous Question (Delegate Stein) Adopted · 2026-04-13 · Passed 90–37 · most Democrats voted the other way
HB141 · State Personnel – Collective Bargaining – Graduate Assistants
In plain English Allows graduate assistants at two University of Maryland campuses to collectively bargain and establishes a separate bargaining unit for them.
Third Reading Passed · 2026-04-13 · Passed 95–35 · most Democrats voted the other way
SB623 · Tobacconist Businesses and Establishment of a Premium Cigar Lounge Alcoholic Beverages License (Maryland Premium Cigar Lounge Act of 2026)
Third Reading Passed · 2026-04-13 · Passed 96–37 · most Democrats voted the other way
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 · most Democrats voted the other way
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 793626/1 (Delegate Buckel) Rejected · 2026-04-11 · Failed 42–85 · most Democrats voted the other way
HB577 · Criminal Law – Firearm Crimes – Machine Gun Convertible Pistols
Floor Amendment 863721/1 (Delegate Schmidt) Rejected · 2026-04-07 · Failed 45–88 · most Democrats voted the other way
SB284 · Budget Reconciliation and Financing Act of 2026
Floor Amendment 733920/1 (Delegate Buckel) Rejected · 2026-03-25 · Failed 44–86 · most Democrats voted the other way
SB284 · Budget Reconciliation and Financing Act of 2026
Floor Amendment 693228/1 (Delegate T. Morgan) Rejected · 2026-03-25 · Failed 44–88 · most Democrats voted the other way
SB284 · Budget Reconciliation and Financing Act of 2026
Floor Amendment 823321/1 (Delegate Hornberger) Rejected · 2026-03-25 · Failed 45–86 · most Democrats voted the other way
HB637 · Public Health – Recommendations for Immunizations, Screenings, and Preventive Services – Pharmacist Administration and Required Health Insurance Coverage (The Vax Act)
Floor Amendment 203925/1 (Delegate Miller) Rejected · 2026-03-20 · Failed 37–92 · most Democrats voted the other way
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 · 493 shared contested votes
59%
Kevin HornbergerRepublican · District 35B · 522 shared contested votes
37%
Seth HowardRepublican · District 30B · 502 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 (47 in all). Gaps are months the chamber wasn’t voting.
← Maryland Delegation
YeaYeaYeaNayNayNayNayNayNayNayNayYeaNayNayYeaNayNayNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Chao Wu 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.
Introduced10
Out of committee2
Passed one chamber2
Passed both chambers1
Became law1
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
Reports 7Information Technology 6Primary and Secondary Education 5Standards and Best Practices 5Education 4Public Schools 4
Cybersecurity – Standards and Compliance – Alterations
Requiring each local school system to designate a local point of contact for certain communications, to comply with, and certify compliance with, the State minimum cybersecurity standards, and to conduct a cybersecurity maturity assessment every 2 years; requiring the Office of Security Management within the…
Became lawApproved by the Governor – Chapter 34 · 2026-04-14
State Department of Education – Public Schools STEM and Robotics Program – Study
Requiring the State Department of Education to study existing STEM and robotics programs in public schools in the State to determine the feasibility of establishing competitive extracurricular STEM and robotics programs throughout the State; and requiring the Department to report the results of the study…
Passed one chamberHearing 4/07 at 1:00 p.m. · 2026-03-26
Consumer Protection – Telecommunications Service Outage – Automatic Credit (Automatic Telecommunications Service Outage Credit Act)
Requiring a commercial telecommunications service provider to automatically provide a service disruption credit to the account of a customer impacted by a material service outage; establishing the minimum amount of the credit for the service outage; and establishing that a violation of the Act is…
Not out of committeeHearing 3/13 at 1:30 p.m. · 2026-03-13
United States of America – National Infrastructure Bank
Urging the U.S. Congress to pass H.R. 5356 to establish a national infrastructure bank to finance urgently needed infrastructure projects.
Not out of committeeHearing 3/16 at 12:00 p.m. · 2026-03-11
Health Insurance – Artificial Intelligence – Grievance Process and Reporting (AI Health Insurance Accountability Act of 2026)
Requiring that a carrier's internal grievance process provide for human review of grievances resulting from adverse decisions made using artificial intelligence, algorithm, or other software tools; requiring carriers to report certain information on grievances resulting from adverse decisions made using artificial intelligence, algorithm, or other…
Not out of committeeWithdrawn by Sponsor · 2026-02-23
Consumer Protection – Data Broker Registry – Establishment
Establishing a data broker registry; defining "data broker" as a business that knowingly collects and sells or licenses personal consumer data to third parties with whom the consumer does not have a direct relationship; requiring certain data brokers to register each year with the Office…
Not out of committeeHearing 3/10 at 1:00 p.m. · 2026-02-17
Education – School Building Energy Usage – Monthly Report
Requiring each county board of education to collect data on energy usage and report the data collected to the Interagency Commission on School Construction; requiring the Commission to adopt regulations specifying the data to be collected and the means and frequency of reporting; and requiring…
Not out of committeeHearing 3/19 at 1:00 p.m. · 2026-02-17
State Government – Governor's Appointments Office – Judicial Selection – Reporting
Requiring the Governor's Appointments Office to report to the General Assembly beginning December 1, 2026, and each December 1 thereafter, certain demographic information regarding applicants and nominees for judicial office.
Not out of committeeHearing 3/04 at 1:00 p.m. · 2026-02-05
Task Force on Proactive Review of Audio and Video Recordings on Special Education Buses
Establishing the Task Force on Proactive Review of Audio and Video Recordings on Special Education Buses to study the use of artificial intelligence to proactively review audio and video recordings from special education buses to ensure the safety and security of student passengers; and requiring…
Not out of committeeHearing 2/18 at 1:00 p.m. · 2026-02-04
County Boards of Education – Student Technology Use Policy – Requirements
Requiring a county board of education to develop and adopt a policy on the use of personal electronic devices during school hours; requiring the policy to restrict or limit the use of personal electronic devices by students during school hours, except for any purpose documented…
Not out of committeeHearing 2/05 at 1:00 p.m. · 2026-01-22
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
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