DemocratIn office since Nov 2024

William Heffernan III

Connecticut State Representative, District 115 since 2024. Re-elected in 2026. Next on the ballot in 2028.

Connecticut State Representative, District 115Born 1963

Official website Wikipedia

In office: 1 yr; Since 2024
Bills became law: 20; 78 sponsored, 2025–2026 session
Votes missed: 2.9%; Chamber median 1.3%
With party: 86%; On votes splitting the parties
Last margin: +36.8; Won 2026
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 11:01 PM ET

Committees

As of 2026-10.

Commerce
Public Safety and Security
Veterans' and Military Affairs

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

Legislation

2025–2026 session · 78 sponsored · 20 became law

BillIntroCmteHouseSenateLaw

SB 509 AN ACT CONCERNING ADDRESS VERIFICATION REFORMS FOR REGISTRANTS.
Address · Became law Jun 2026

SB 370 AN ACT CONCERNING THE HOURLY COMPENSATION FOR ADJUNCT FIRE INSTRUCTORS.
Administrative Services, Department of · Became law Jun 2026

SB 349 AN ACT CONCERNING MODIFICATIONS TO THE FIREFIGHTERS CANCER RELIEF FUND.
Advisory bodies · Became law Jun 2026

HB 5243 AN ACT ESTABLISHING A WORKING GROUP TO DEVELOP AN ECONOMIC DEVELOPMENT AND TOURISM PLAN FOR THE GREATER…
Economic and Community Development, Department of · Became law Jun 2026

HB 5493 AN ACT REQUIRING A STUDY TO ESTABLISH A PROGRAM TO PROVIDE STIPENDS FOR THE CONNECTICUT CIVIL AIR PATROL.
Civil Air Patrol · Became law Jun 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Heffernan sits in the Connecticut House of Representatives

III is closer to the center than 92% of the chamber's Democrats.

Closest: Steve Meskers, Geraldo Reyes, Kerry Wood

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:47 PM ET

With Heffernan’s party

Votes with the chamber's Democrats86%

Black tick: the average of Democrats in the Connecticut House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

Date	Bill	Heffernan	Dem. majority	Rep. majority	Result
May 6, 2026	SB 335: AN ACT CONCERNING UTILITY CHARGES FOR RESIDENTIAL DWELLING UNITS.	Yes	Yes	No	Passed 112–38
May 6, 2026	SB 477: AN ACT CONCERNING THE FAILURE TO FILE FOR CERTAIN GRAND LIST EXEMPTIONS, A MUNICIPAL…	Yes	Yes	No	Passed 105–45
May 6, 2026	SB 87: AN ACT ESTABLISHING A NONPROFIT PROVIDER ADVISORY BOARD AND PROHIBITING AUTO INSURANCE…	Yes	Yes	No	Passed 122–27
May 5, 2026	SB 439: AN ACT CONCERNING ELECTRONIC SURVEILLANCE DEVICES AND SYSTEMS AND SELF-SERVICE KIOSKS IN…	Yes	No	Yes	Passed 78–71
May 4, 2026	SB 268: AN ACT AUTHORIZING THE COMPTROLLER TO WITHHOLD PAYMENT FOR VIOLATIONS OF THE PREVAILING…	Yes	Yes	No	Passed 107–40

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

Career

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

20242025202620272028Connecticut House of Representatives, District 115

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