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Dubuque County, Iowa tax sale

Last checked Wed, Oct 28, 2026

Information only, not investment or legal advice. Sale dates, terms and deadlines change; always confirm with the county before you register or bid.

Upcoming sales

2027 date not yet posted. The 2026 annual tax sale was Monday, June 15, 2026 at 9:00 AM (past), run from the Dubuque County Courthouse, 720 Central Avenue, with only online bids accepted.

Sale details

Sale type: lien
Format: Online
Auction site: Iowa Tax Auction (we link to it; we don't copy its listings)
How to bid: Per the 2026 Notice to Tax Sale Purchasers: register online at the Iowa Tax Auction site (no mailed or emailed registrations); 2026 registration ran May 18 to June 11, 2026, with all steps due by 11:59 p.m. on June 11, and a non-refundable $51.00 registration fee paid by ACH debit. Bids are placed online. The total due is debited by ACH from the account used for the registration fee. The county posts its delinquent list (2026 Publication Report) on its site. Deposit: not stated.

County contact

Office: Dubuque County Treasurer
Phone: 563-589-4450
Address: 720 Central Avenue, Dubuque, IA 52001
Website: https://www.dubuquecountyiowa.gov/248/Treasurer

Sources

https://www.dubuquecountyiowa.gov/248/Treasurer checked Oct 28, 2026
https://www.dubuquecountyiowa.gov/DocumentCenter/View/8221/2026-TAX-SALE-NOTICE-TO-TAX-SALE-PURCHASERS-PDF checked Oct 28, 2026

Source: Dubuque County, Iowa official websites listed above. TaxAuctionLists is independent and is not affiliated with or endorsed by Dubuque County.

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