Tax Lien Certificate Sale
Pima County Tax Auction Guide 2026
Arizona — Updated for current auction season
Pima County holds Arizona's second largest annual tax lien certificate sale, covering Tucson, Marana, Oro Valley, Sahuarita, and the surrounding desert communities. Unlike Maricopa County, Pima's smaller auction volume means individual investors face less institutional competition — often securing rates of 5–12% where Maricopa buyers settle for near-zero.
This guide covers the complete process: registering on RealAuction, deposit requirements, the bid-down interest rate format (16% statutory max), payment procedures, and what happens after you win.
You'll also learn Pima County-specific due diligence: how to research parcels through the Assessor and Recorder, flood zone risks along Tucson washes, active adult community deed restrictions (SaddleBrooke, Green Valley), University of Arizona rental property considerations, and the 3-year path to a Treasurer's Deed under ARS § 42-18201. Includes all county office contacts and online research tools.
What's Inside
- Upcoming auction dates and registration deadlines
- Step-by-step bidding procedures for your county
- Local legal requirements and deposit amounts
- Redemption period rules and timeline
- Path to clear title after purchase
- Key contacts and official resources
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2026 auction season is underway
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Pima County-specific — not generic
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Dates, rules, contacts & step-by-step process
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Updated for 2026 auction season