Western Connecticut Planning Region, Connecticut

Connecticut House District 151

2 candidates are tracked for Connecticut House District 151 on the November 3, 2026 ballot: Hector Arzeno and Michael S Mason. Candidate information follows official Western Connecticut Planning Region election filings; verify with the official election office linked below.

About this race

Hector Arzeno (Democratic), Michael S Mason (Republican) are the major-party nominees for Connecticut House District 151 on the November 3, 2026 ballot. Listed from the party endorsement and nomination certificates filed with the Secretary of the State and the August 11 primary results; minor-party lines and petitioning candidates are certified separately and are not yet reflected here. Hector Arzeno is the sitting member, per the General Assembly's member list. Connecticut nominates by party convention; an August 11, 2026 primary was held only where a challenger qualified, per the Secretary of the State.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Hector Arzeno, is on the ballot.

Connecticut › Western Connecticut Planning Region › Connecticut House District 151

Hector Arzeno

Democratic Incumbent

Top priorities

Cites securing funding for the construction of Central Middle School
Cites funding support for local nonprofits including the YWCA, YMCA and United Way

Per the campaign site.

Biography

Hector Arzeno is the incumbent Connecticut State Representative for the 151st District, representing Greenwich, per his campaign site. He was elected in 2022 and serves on the Education, Environment and Transportation committees, per his campaign site. He was born and raised in Buenos Aires, Argentina, graduated from the Catholic University of Argentina, and became a U.S. citizen in 1987, per his campaign site.

Campaign site (opens in a new tab)

Michael S Mason

Republican

Top priorities

Protecting local control over town decisions and opposing unfunded state mandates

Per the campaign site.

Biography

Michael Mason is the Republican candidate for Connecticut House District 151, which includes parts of Greenwich, Cos Cob, North Mianus, Riverside and Old Greenwich. A third-generation Greenwich resident, he currently serves as Director of Labor Relations for the Town of Greenwich and previously co-owned Million Air Aviation at Westchester County Airport, per his campaign site. He served 18 years on the Greenwich Board of Estimate and Taxation, including six terms as Chairman, and 12 years on the Representative Town Meeting, per the same source.

Campaign site (opens in a new tab)

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Voting info and more

Questions about this race

Who is running for Connecticut House District 151 in 2026?

When is the Connecticut House District 151 election in Connecticut?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Connecticut are on the Connecticut election hub at theballotbrief.com.

How do I see my exact Western Connecticut Planning Region ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Western Connecticut Planning Region and state election office filings. Bios and priorities carry their attribution inline.

Cross-check with the official Connecticut election office, or see the full Western Connecticut Planning Region sample ballot and your exact ballot by address.

The rest of your Western Connecticut Planning Region ballot

35 tracked races in Western Connecticut Planning Region, Connecticut. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Connecticut Senate District 25 Connecticut Senate District 26 Connecticut Senate District 27 See all 35 Western Connecticut Planning Region races

Candidate profiles

Hector Arzeno, full profile Michael S Mason, full profile Official Connecticut election office