Money & Taxes · Long Island
Nassau tax lien notices deserve a fast official check
A Nassau unpaid-tax warning should be checked through the Treasurer before it becomes a lien-sale panic or a scam opportunity.
Published June 24, 2026 · Last verified June 24, 2026
Nassau County’s Annual Tax Lien Sale page explains the Treasurer’s annual sale process, and the unpaid-tax listings page describes reports for open liens and delinquent taxes. If a homeowner gets a notice, do not pay through a random link, ignore the letter, or rely on a buyer’s agent to translate it.
Use the Treasurer pages to match the property, section, block, lot, tax year, and notice deadline. Call the listed county office if the status or payoff route is unclear. If a closing is pending, ask the attorney and title company to show how the unpaid taxes will be cleared.
Keep the notice, unpaid-tax result, amount due, deadline, and every county, attorney, or title-company response together.