DemocratIn office since Nov 2018

Clarence Lam

Maryland State Senator, District 12 since 2018. Ran in 4 elections between 2014 and 2022, winning 4. Re-elected in 2026. Next on the ballot in 2030.

Maryland State Senator, District 12Physician

Official website Wikipedia

In office: 7 yrs; Since 2018
Bills became law: 44; 127 sponsored, 2025–2026 session
Votes missed: 3.2%; Chamber median 3.2%
With party: 99%; On votes splitting the parties
Last margin: +93.4; Won 2026
Next election: 2030; Nov 5, 2030

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

Audit and Evaluation
Committee on Ending Homelessness
Committee on Fair Practices and State Personnel Oversight
Finance
Maryland Health Insurance Coverage Protection Commission

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 127 sponsored · 44 became law

BillIntroCmteSenateHouseLaw

SB 791 Correctional Services and Criminal Procedure - Immigration Enforcement - Prohibitions (Community Trust Act)
Bail · Became law May 2026

SB 496 Maryland Medical Assistance Program - Coverage for the Treatment of Obesity - Authorization
Counselors and Therapists · Became law May 2026

SB 169 Hospitals - Emergency Pregnancy-Related Medical Conditions - Procedures
Abortion · Became law May 2026

SB 335 Landlord and Tenant - Discrimination in Housing for Income-Based Housing Subsidies and Positive Rental…
Civil Rights and Social Equity · Became law May 2026

SB 794 Health Insurance - Special Enrollment Period for Pregnancy - Coverage Effective Date
Health - Insurance · Became law May 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Lam sits in the Maryland State Senate

Lam is closer to the center than 0% of the chamber's Democrats.

Closest: Mary Washington, Joanne Benson, Karen Young

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:52 PM ET

With Lam’s party

Votes with the chamber's Democrats99%

Black tick: the average of Democrats in the Maryland State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Lam’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Lam	Dem. majority	Rep. majority	Result
Mar 27, 2026	HB 711: Data Privacy - Consumer Data, Public Records, and Message Switching System (Data Privacy…	Yes	Yes	No	Passed 28–8
Mar 27, 2026	SB 594: Cannabis - Advertising - Alterations	Yes	Yes	No	Passed 38–8
Mar 27, 2026	SB 12: Residential Rental Apartments - Air-Conditioning Requirement	Yes	Yes	No	Passed 35–11
Mar 27, 2026	HB 141: State Personnel - Collective Bargaining - Graduate Assistants	Yes	Yes	No	Passed 32–11
Mar 27, 2026	HB 1249: Certified Recovery Residences - Refusing Services to Individuals Receiving…	Yes	Yes	No	Passed 36–10

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Lam was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

201420152016201720182019202020212022202320242025202620272028Maryland House of Delegates, District 12Maryland State Senate, District 12

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	Maryland State Senate, District 12	Won	D+93.4	D+40.2	+53.2
2022	Maryland State Senate, District 12	Won	D+40.0	D+43.2	−3.2
2018	Maryland State Senate, District 12	Won	D+32.3	—	—
2014	Maryland House of Delegates, District 12	Won	R+0.7	—	—
2014	Maryland House of Delegates, District 12 (primary)	Won	+0.8	—	—