99chambers
Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
DemocratIn office until January 1, 2027

Jason Lewis

Massachusetts State Senator, District D23 since 2014. Did not run for re-election in 2026; leaves office in January 2027.

Massachusetts State Senator, District D23

Official websiteWikipedia

In office
12 yrs
Since 2014
Bills became law
1
126 sponsored, 2025–2026 session
Last margin
+27.2
Won 2022

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Education · chair
  • Ethics · chair
  • Labor and Workforce Development · vice chair
  • Public Health
  • Rules
  • Rules
  • Transportation

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

Legislation

2025–2026 session · 126 sponsored · 1 became law
BillIntroCmteSenateHouseLaw
S 2580 An Act establishing a sick leave bank for Robert Tiro, an employee of the trial court of the commonwealth
Became law Aug 2025
S 2165 An Act relative to Chapter 30B procurement
Failed in the Senate Aug 2026
S 2033 An Act combating offshore tax avoidance
Failed in the Senate Jul 2026
S 2026 An Act relative to excessive executive compensation
Failed in the Senate Jul 2026
S 2665 An Act to notify employees of an I-9 audit
Failed in the Senate Apr 2026

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

Career

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

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.

YearRaceResultMargin
2024Massachusetts State Senate, District D23Won—
2022Massachusetts State Senate, District D23WonD+27.2
2020Massachusetts State Senate, District 23Won—
2018Massachusetts State Senate, District 23WonD+34.1
2016Massachusetts State Senate, District 23WonD+38.3
2014Massachusetts State Senate, District 23WonD+13.7
2012Massachusetts House of Representatives, District 148WonD+19.7
2010Massachusetts House of Representatives, District 89WonD+17.0
2008Massachusetts House of Representatives, District 89WonD+27.1

Source: 99chambers results archive

Seats Lewis has held

Source: 99chambers results archive

Who Lewis has run against

  • Edward F. Dombroski Jr. (R) · 2022 general, won
  • Erin K. Calvobacci (R) · 2018 general, won
  • Vincent Lawrencedixon (R) · 2016 general, won
  • Monica C. Medeiros (R) · 2014 general, won
  • George Georgountzos (R) · 2012 general, won
  • George Georgountzos (R) · 2010 general, won

Source: 99chambers results archive

How we know Lewis

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET