In June 2021, Zeldin was named the 'presumed nominee' of the New York's Republican Party by state chairman Nick Langworthy after he earned 85 percent of a straw poll vote of county leaders, and was also called the 'presumptive nominee' of New York's Conservative Party by Conservative state chairman Gerard Kassar. As of February 2022, Zeldin had the endorsement of 59 of New York's 62 county Republican committees.
