Thomas Sullivan
Lost the 2026 race for New York Assembly District 23.
- Last margin
- −4.0
- Lost 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Background
As listed by the official candidate list, Wikidata and campaign filings. 99chambers does not summarize platforms or endorsements.
- On the ballot as
- candidate for this district in 2024
Every race Sullivan has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Sullivan won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | New York Assembly District 23 | General | Lost | Pesach Osina (D), Write-in (I) | 47.9% | D+4.0 | $52.2K | R+13.5 | |
| 2024 | New York State Assembly, District 23 | General | Lost | Stacey Pheffer Amato (D) | 48.2% | D+3.3 | — | — | |
| 2022 | New York State Assembly, District 23 | General | Lost | Stacey Pheffer Amato (D) | 49.9% | Even | — | — | |
| 2020 | New York State Senate, District 15 | General | Lost | Joe Addabbo (D) | 41.7% | D+16.5 | — | — | |
| 2018 | New York State Senate, District 15 | General | Lost | Joe Addabbo (D) | 35.8% | D+28.2 | — | — |
Source: 99chambers results archive; 2026: New York State Board of Elections (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Money
Sullivan’s campaign fundraising.
- Raised, 2025–26
- $52.2K
- From donors of $200 or less
- 59%
Source: New York State Board of Elections filings through Oct 19, 2026Updated Nov 1, 2026, 1:38 AM ET
What’s next
From campaign filings, not from public statements.
| Friends of Tom Sullivan 2024 State | Active |
| Sullivan For State Assembly State | Active |
Source: New York State Board of Elections filings through Oct 19, 2026Updated Nov 1, 2026, 1:38 AM ET
Who Sullivan has run against
- Pesach Osina (D) · 2026 general, lost
- Stacey Pheffer Amato (D) · 2024 election, lost
- Joe Addabbo (D) · 2020 election, lost
Source: 99chambers results archive; 2026: New York State Board of Elections (unofficial)
The seat
- New York Assembly District 23 · lean R+8.8 · 107th most Democratic of 150
Source: 99chambers: presidential results on current lines (MEDSL precinct returns)