Glossary / Tax certificate sale

Tax certificate sale

Certificate sales are annual events in most lien states, run by the county treasurer, tax collector or clerk, in person, online, or both. The published delinquent list is the catalog; registration and deposits precede the sale; certificates issue to winners with parcel, amount, and rate or penalty recorded. Florida's must close on or before June 1 (Fla. Stat. §197.432); Arizona's run each February; Indiana's in the fall; Iowa's on the third Monday in June statewide.

What the certificate buys is position, not property: repayment with the statutory return on redemption, or the right to pursue the property after the waiting period through the state's foreclosure or deed-application process.

Certificate sales are won in the weeks before, because the sale's calendar compresses decisions: deposit deadlines, registration windows and batch schedules all close before or during short bidding windows. The sale list is the one input that arrives early — counties advertise delinquent lists ahead of the sale precisely so bidders can research. Structure your season backwards from the sale date: list acquisition and screening first, county-record verification second, registration and deposit third, and bidding last and briefly. First-time buyers should also confirm what the certificate will look like afterward — many counties administer certificates electronically through the sale platform, with redemption payments processed by the collector and mailed or transferred to the holder. Know the payment plumbing before you own the paper.

In practice: Kentucky's certificate sales (of 'certificates of delinquency') allocate by random drawing from submitted lists — no competitive bidding at all; Illinois's fall sales include Cook County's online sale via RealAuction.

Definitions verified 2026-10-30 against the sourced state-law dataset. Educational only, not legal advice.