Niagara County tax sale, 2026 season

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Niagara County (county seat Lockport) sells its tax foreclosed properties online only through Auctions International, for the County Treasurer, the tax enforcing officer. The main 2026 sale ran Wednesday, July 22, 2026 to Wednesday, August 5, 2026, and the auctioneer ran a further small catalog from September 23 to September 30, 2026 carrying a single Lockport lot plus the registration and terms lots, apparently a re-offer, though that characterization is not confirmed in an official source.

Two things set this county apart. Its 2026 buyer premium, confirmed in the auctioneer's own catalog, is the highest on this hub: 12.77 percent by credit card, 10 percent by cash or certified funds. And no bid is final at the close: the Treasurer submits all successful bids to the Niagara County Legislature for acceptance and confirmation, which for the 2026 sale came by resolution in September 2026; a rejected bidder gets the deposit back.

Dates and deadlines

Last sale (main)	Wed, Jul 22, 2026 · 12:00 PM to Wed, Aug 5, 2026 · 10:00 AM 2026-08-05
Further catalog	Wed, Sep 23, 2026 to Wed, Sep 30, 2026 · 10:00 AM (single lot plus registration lots; apparently a re-offer, not confirmed in an official source)
Registration	Online, through the catalog's registration instructions and terms lots; the detailed packet deadline for 2026 was not on the official pages read, and is stated as unpublished here
Format	Online only
Platform	Auctions International
Selling office	Niagara County Treasurer, 59 Park Avenue, Lockport, NY 14094
Next sale	Not announced. The county's usual window is late July into early August.

Sources: the official 2026 auction catalog (Auctions International). the official full terms for this sale series, 2024 cycle (Auctions International). Confirm with the county or the auctioneer before relying on any date on this page: sales move, terms change, and parcels get pulled.

Research Niagara County parcels before you bid

A sale list gives you the parcels, the date, and the opening terms. It does not give you the owner, the value, or the rest of the picture: liens, foreclosure status, and parcel history. PropertyRadar is the data platform for that layer. It carries owner records, assessed and market values, foreclosure and tax data, and property history for parcels across Niagara County, searchable by address, owner, or county, including parcels that never reach a sale list.

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How New York tax foreclosure works

Unpaid taxes become a lien on the property, and the county enforces that lien in court under Real Property Tax Law Article 11, the in rem foreclosure process.
The owner gets a redemption period, two years from the lien date by default, longer where a local law extends it for homes or farms. Paying everything owed during that window ends the case.
When the period expires, the court can award the property to the county. The former owner's right to redeem is over at that point; there is no post-sale redemption period on a New York tax deed.
The county then sells at public auction, which is the sale this page tracks. Deeds are usually quitclaim, bids can require county legislature approval, and any surplus over the taxes and charges is handled under RPTL sections 1195 to 1197 for the former owner and lienholders.

How registration works

Registration runs through the auction catalog itself: the catalog is built around a registration instructions lot and a terms lot that every bidder works through on the auction site. The detailed packet deadline for the 2026 sale was not on the official pages read on the check date. Two eligibility rules are in the terms: the Treasurer may reject a winning bid from anyone delinquent on any Niagara County property tax, and anyone who previously failed to complete a county in rem sale is banned.

Terms: what a bid actually costs

The money layer. The premium is confirmed for 2026 from the auctioneer's catalog. The deposit and balance figures are from the last fully published official terms for this sale (2024 cycle), labeled as such; the same deposit figures were cited for the 2025 sale.

Buyer premium (2026, confirmed)	12.77 percent of the bid when paid by credit card (Visa, Mastercard, Discover); 10 percent when paid by cash or certified funds. Published in the 2026 auction catalog.
Deposit (last fully published terms, 2024)	A minimum of 20 percent of the bid price or $2,500, whichever is greater, plus all filing and auctioneer fees, or the entire amount if the bid is under $2,500, by 4:00 PM two days after closing. Paid by credit card, cash, money order, or guaranteed funds payable to Niagara County Treasurer from an FDIC insured bank. Attempting a card chargeback triggers a $750 recovery fee.
Filing fee and transfer tax (2024 terms)	Filing fee of $161 or $286 depending on the property class code, included in the deposit; state transfer tax of $2 per $500 of the high bid in the card deposit calculation.
Balance due (2024 terms pattern)	In cash or a certified check to the Treasurer at 59 Park Avenue, Lockport, about three weeks after closing, time being of the essence. Failure means the deposit is forfeited, the Treasurer resells without further notice, and the defaulting buyer is liable for any deficiency on the resale.
Deed type	Quitclaim deed, recorded by the Niagara County Treasurer with the County Clerk; the recorded original is mailed to the purchaser. The terms still put verification of recordation on the purchaser, and no abstract, search, or survey is provided; title insurability is expressly not warranted.

Before you bid

Budget beyond the deed: the buyer is responsible for the school tax bill for the auction year, including late fees, plus all taxes, levies, assessments, and utility charges arising after the auction date, regardless of when the deed is delivered. Properties sell subject to federal liens and federal government rights of redemption. And build your parcel list county-wide with care: Niagara's three cities, Lockport, Niagara Falls, and North Tonawanda, collect and foreclose their own city taxes separately, so the county auction is not the whole foreclosure picture inside them. Verify before you go: confirmation by the Legislature is part of the timeline, not a formality to assume away.

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