Suffolk County, New York

Suffolk County Comptroller

2 candidates are tracked for Suffolk County Comptroller on the November 3, 2026 ballot: Jon Estreich and Dan Losquadro. Candidate information follows official Suffolk County election filings; verify with the official election office linked below.

About this race

Democratic nominee Jon Estreich faces Republican nominee Dan Losquadro, the Brookhaven Town Superintendent of Highways, for the seat of term-limited incumbent Comptroller John M. Kennedy Jr. (R), per the Suffolk County Board of Elections ballot booklet and the Messenger Papers. This contest is on the November 3, 2026 ballot.

What this office does

County auditor. The county auditor keeps the county's books, processes payments and payroll, and prepares financial reports. In some states the auditor also calculates property tax rates, oversees elections or certifies the budget. The office is a check on how county money is spent.

New York › Suffolk County › Suffolk County Comptroller

Jon Estreich

Democratic

Top priorities

Audit no-bid and consultant contracts
Institute a payroll audit to find no-show jobs
Create a real-time online spending dashboard for county contracts

Per the campaign site.

Biography

Jon Estreich is a Long Island native raising his family in Dix Hills who holds the rank of Major in the U.S. Army Reserve, per the campaign site. He previously served as a Suffolk County prosecutor, counsel to the governor, an attorney at the Department of Homeland Security, and an investigative attorney at the MTA Inspector General's office, per the campaign site.

Campaign site (opens in a new tab)

Dan Losquadro

Republican

Biography

Dan Losquadro is the sitting Brookhaven Town Superintendent of Highways, a post he has held since 2013, per the NYS Association of Town Superintendents of Highways. He previously served in the Suffolk County Legislature beginning in 2003, becoming majority leader in 2006, and in the New York State Assembly representing District 1 from 2011 to 2013, per the association. He is the Republican nominee for Suffolk County Comptroller, the seat of term-limited incumbent Comptroller John M. Kennedy Jr., facing Democratic nominee Jon Estreich, per the Suffolk County Board of Elections ballot booklet. No campaign website was found as of September 25, 2026.

Next on your ballotSuffolk County Court Judge (4 seats)

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Voting info and more

Questions about this race

Who is running for Suffolk County Comptroller in 2026?

When is the Suffolk County Comptroller election in New York?

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

How do I see my exact Suffolk County 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 Suffolk County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official New York election office, or see the full Suffolk County sample ballot and your exact ballot by address.

The rest of your Suffolk County ballot

22 tracked races in Suffolk County, New York. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Suffolk Family Court Judge (3 seats)New York Senate District 1 New York Senate District 2 See all 22 Suffolk County races

Candidate profiles

Jon Estreich, full profile Dan Losquadro, full profile Official New York election office