How to Get Divorced in New York, you must meet residency requirements, with either you or your spouse having lived in the state for at least one year. Choose between fault-based or no-fault grounds for divorce, with no-fault being the most common, citing an irretrievable breakdown of the marriage for at least six months. Decide whether to represent yourself or hire an attorney. File the necessary divorce papers in the Supreme Court of the relevant county, serve the papers to your spouse following New York's service rules, and address any contested issues through negotiation or court proceedings. Upon resolution, a divorce decree will be issued, officially ending the marriage.