Annual Tax Lien Sale

Nassau County Annual Tax Lien Sale - 2027

On February 16th, 2027, the Nassau County Treasurer will sell at public on-line auction the 2026 tax liens on certain real estate, unless the owner, mortgagee, occupant of or any other party of interest in such real estate shall have paid to the County Treasurer by February 10th, 2027, the total amount of such unpaid 2026 taxes or assessments with the interest, penalties and other expenses and charges against the property.

Important dates regarding the 2027 Tax Lien Auction are as follows:

  • January 22nd, 2027 - Registration opens & bidding commences
  • February 5th, 2027 - Registration requirements and deposit deadline
  • February 5th, 2027 - 2026 Subsequent-tax deadline for lien holders
  • February 10th, 2027 – 2026 Tax payment deadline
  • February 16th, 2027 - Tax Lien Auction
  • March 18th, 2027 – Balance due from lien sale purchases

To participate in the sale, registrants must first pay the registration fee ($175) place the required minimum deposit ($5,000) and submit a budget. Upon completion of the sale, 10% of the total purchase is immediately due by the end of the day.  The remaining 90% balance is due by 3:00pm March 18th, 2027.  Any deposited funds that do not get applied to winnings are immediately returned.  Failure to pay the 90% balance due by the deadline will result in the forfeiture of your winning bids and loss of any deposits made.

To access the online auction site, click the Annual Tax Lien Sale link below.  The auctioneer will be holding online webinars for bidder training before the sale, date(s) to be announced.  Click on the Bidder Training link below to view the schedule (link will be activated once dates are set.) To view the initial listing of available items click on the Advertising list of unpaid taxes to be sold in February 2027 link below (this file will be available in early January and is not updated.)  Monthly updated delinquent tax files can be viewed on the Treasurer’s Unpaid Tax Listings page. Registered participants have access to daily updated listings of open taxes on the auction site.  

County Treasurer
David Y. Chiang


Annual Tax Lien Sale

Notice To Tax Lien Purchasers

Terms of Sale

Advertising list of unpaid taxes to be sold in February 2027

Bidder Training