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Lien Season vs. Deed Season: The National Tax-Sale Calendar, Mapped

The year opens with liens: February through June

Arizona's county treasurer lien sales run in February, the earliest large lien season in the dataset. Nebraska's annual public lien sale begins the first Monday in March. Alabama's spring sales follow — many lien-auction counties sell on the first Monday in May — alongside Maryland's annual sales, mostly in May-June across its 23 counties and Baltimore City, and Utah's deed sales in May or June. Florida's certificate sale anchors late spring: by statute the sale happens on or before June 1, in practice late May into early June, in every county at once.

June is the densest lien month in the dataset: Iowa holds its annual sale on the third Monday in June in every county, Oklahoma's deed resale begins the second Monday in June, Louisiana's auction must be advertised on or before May 1 of the year following the assessment year with sales historically in spring, and West Virginia's State Auditor sales run April-June, all before July 1. An investor active in lien states does the bulk of their annual research between February and June — the lists, deposits, and registrations for half the country come due in one stretch.

Two more spring entries complete the wave: Hawaii's four counties typically hold their sales in spring — Honolulu and Maui in May, with Hawaii County sales in January and June in some years — and Rhode Island's municipalities commonly sell in spring, with Providence's 2026 sale on May 21 in the dataset's record. Even the exceptions lean spring: the District of Columbia's 2026 sale was postponed from July 15 to August 19, a reminder that a posted date is a plan, not a guarantee, and one more reason the research calendar needs slack built into it.

Summer and fall: the second lien wave and deed season

The District of Columbia's annual sale typically falls in July. Kentucky's certificate-of-delinquency sales run mid-July through October, most counties mid-July through late August. August belongs to Missouri (fourth Monday, by statute) and Mississippi (last Monday). Fall is the second great cluster: Indiana's county sales run mostly September-October, Pennsylvania's upset sale sits in its statutory September window, Colorado's lien sales run October-November, Illinois county sales run roughly October-December, Ohio's large-county certificate sales run in the fall, and Michigan's foreclosed-property auctions run roughly July through November.

South Carolina's delinquent tax sales are a fall event, commonly October-December, and its 12-month redemption period means fall purchases resolve the following fall — a clean annual cycle. North Dakota's sale of tax-deeded land falls on the third Tuesday in November, and South Dakota closes the year with its certificate sale on the third Monday in December. Deed-state foreclosure auctions in Washington cluster in fall and winter as well. An investor who misses the spring lien wave gets a genuine second season, not leftovers.

The monthly metronomes and the year-round systems

Against those annual events, two of the largest deed markets never have an off-season. Texas sheriff and constable sales run on the first Tuesday of every month, and Georgia's sheriff and tax commissioner sales run on the first Tuesday of the month in months when a county advertises a sale. Delaware's New Castle County monition sales are monthly, on the second Tuesday. Florida's clerks hold tax deed sales several times a month, year-round — deed inventory fed by certificate applications from two-plus years earlier, on no seasonal schedule at all.

A third group has no fixed calendar to map: Connecticut's 169 municipalities, Massachusetts cities and towns, Vermont's towns, Rhode Island's municipalities, and Maine's municipalities set sales year-round as needed, Kansas counties file foreclosure actions periodically, and New Mexico's state auctions are scheduled throughout the year county by county. For those, 'the calendar' is a watchlist, not a date — which is precisely the gap an alert service exists to close. LienToDeed's free tier carries the national sale calendar; Bidder ($49/mo) and Pro ($99/mo) add listing-level alerts when individual properties publish.

Why the calendar clusters

Three forces do the clustering, all visible in the dataset's fields. First, fiscal rhythm: taxes are assessed and billed on annual cycles, delinquency is declared after a payment deadline, and the sale must follow advertisement of the delinquent list — so sales land a fixed statutory distance after billing season in state after state. Florida's on-or-before-June-1 rule and Iowa's third-Monday-in-June rule are the same force wearing dates. Second, statutory waiting periods push deed sales away from lien sales: a deed system that must wait 3 to 5 years of delinquency (California, New Mexico, Utah in the dataset) sells on the county's enforcement schedule, not the billing calendar. Third, monthly first-Tuesday sales in Texas and Georgia are court-and-sheriff machinery — a standing monthly docket for forced sales generally, into which tax sales slot.

The practical consequence is a research calendar, not just a sale calendar. Spring lien season means winter research; fall deed season means summer title work; monthly systems reward standing systems — saved searches, deposit readiness, and alerts — over heroic one-off effort. The investors who treat the calendar as a production schedule, with each state's list-publication window marked a month ahead of its sale, are the ones whose bids were researched while everyone else was registering.