On June 11, 2012, Hoylman declared his candidacy for the 27th District of the New York State Senate, running for the seat of retiring State SenatorTom Duane. He won Duane's endorsement, as well as the support of numerous local politicians and unions. In the Democratic primary election held on September 13, 2012, he prevailed easily, winning 70% of the vote in a three-candidate field. Hell's Kitchen activist and bar owner Tom Greco was his closest competition, winning 24% of the vote. In the general election in November, he was unopposed. Hoylman won the Democratic primary and general election in 2014, 2016, and 2018. As of 2019, Hoylman is the only openly gay member of the New York State Senate. In December 2016, Hoylman sponsored legislation known as the Tax Returns Uniformly Made Public Act, prohibiting New York State electors from voting for a presidential candidate who has not publicly released at least 5 years worth of tax returns no later than 50 days prior to a general election. Lawmakers in 25 other states followed suit in producing legislation to compel presidential candidates to release their tax returns. A Change.org online petition in support of Hoylman's bill has since received nearly 150,000 signatures, and the idea was praised by the Editorial Board of The New York Times. After the 2018 midterm elections, Hoylman was appointed Chair of the Senate Judiciary Committee. In the majority, Hoylman passed multiple pieces of legislation including the Child Victims Act, the Gender Expression Non-Discrimination Act, and a ban on so-called 'gay conversion therapy.' Hoylman also passed the TRUST Act, which would allow certain Congressional committees to perform oversight by reviewing the New York State tax returns of senior government officials; members of Congress suggested this could allow Congressional committees to review Donald Trump's tax returns. City & State, a New York-based political news organization, characterized Hoylman as "the person behind state Senate’s progressive bills." During the Covid19 Emergency in 2020, Hoylman was one of the only New York elected officials to stand up for the safety of prospective attorneys. He drafted a bill to permit diploma privilege and prevent recent law school graduates from having to take the bar exam in groups of 500.
Personal
Brad Madison Hoylman and David Ivan Sigal announced their marriage in 2013. They live with their two daughters, Silvia and Lucy, in Greenwich Village. Hoylman is Jewish.