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Bidding Rules

Bidding Rules - 2023 Coconino County Tax Certificate Auction


If you are new to Realauction tax lien auction websites, we recommend you proceed in the following fashion: 

  1. If you are not completely familiar with the statutes governing tax liens in this state, read the “Tax Certificate Process” document located at the left of the home page. It is a plain English summary of the law and will only take ten minutes to read. Remember, the purchase of a certificate does not convey title to the land. While purchasing tax certificates is generally a good investment, there is some risk. Understand the risks and employ the “buyer beware” philosophy.

    The fees imposed on the Certificates of Purchase offered at a Tax Sale are assessed by statute, specifically, ARS 42-18118 (Certificate Fee) and 42-18116 (Processing Fee). In accordance with statutes, the processing fee is non-refundable (ARS 42-18153). The Treasurer does not make any guarantees that a purchaser will make money on a purchase and should be aware of the fact that the property owner has a right to redeem the tax lien AT ANY TIME.
  2. Review the Summary of Important Dates below.
  3. Register. You will create your own User Name and Password as part of the process. Note: Coconino County utilizes a Single Simultaneous Bidding Entity Rule which states that each bidder can register only once and cannot have a contractual, legal or financial relationship with any other bidder registered in the Coconino County Tax Sale.
  4. Bidding process:
    • Decide how much money you want to invest in tax certificates for this auction. ($10,000 for example)
    • Make a deposit of exactly 10% of that amount. The deposit is required and must be submitted before the deadline in order for your bids to be valid.
    • Bid on as many quality liens as you can. Your deposit will limit how much you can win no matter how many bids you place. There is no penalty for running out of deposit money. If you are fortunate enough to win all the liens you want, your remaining bids are simply ignored.
  5. You may place as many bids as you like before making a deposit, but none of your bids will count unless the deposit requirement is met before the deadline or before a batch containing your bids closes (See Summary of Important Dates).
  6. As a batch closes, you may see the results for that batch by clicking “Results” on the website menu. Click the “Sold To” link on the auction results page to display all bids on that item along with other useful information. After seeing results, you can change your bids in any unclosed batches.
  7. Payment for certificates won will be accepted by ACH only. Please ensure your financial institution will allow an ACH debit to your account before placing bids.
    Per A.R.S 42-18116, if the purchaser of a tax lien fails to pay the amount due by the date/time determined by the treasurer, the treasurer may prohibit the purchaser from purchasing tax liens from any county in Arizona for a period of not more than one year.


Summary of Important Dates


  Bidder Accounts  
  Allow foreign bidder registrations     Yes  
  Single simultaneous bidder rule     Yes  
  Auction Information  
  Bidding style     Proxy Bid Auction  
  0 value bids use proxy system     Yes  
  Allow sub-accounts       No  
  Automatic certificate rollup / rollup fee     ---     ---  
  Auction Dates and Times  
  Registration begins (site opens)**       Open All Year  
  Deposits, Registration fees and Budgets begin     01/24/2023 at 8:00 AM MT  
  Bidding begins     01/24/2023 at 8:00 AM MT   
  Deposits, Registration fees and Budgets end         02/14/2023 at 2:00 PM MT     
  Participation Requirements  


    Submit a deposit  


  Participation Requirements Due Date     02/14/2023 at 2:00 PM MT  
  Registrations end      02/14/2024 at 2:00 PM MT  
  First batch closes     02/14/2023 at 9:00 AM MT  
  Batch closing interval     60 Minutes  
  Last batch closes     02/14/2023 at 4:00 PM MT  
  Auxiliary batch opens      N/A  
  Auxiliary batch closes     N/A  
  Payment due date     02/17/2023 at 4:00 PM MT  
  Budget, Deposit and Payment Information    
  Deposit or Budget required (% of estimated winnings)     10%  
  Minimum deposit amount     $0.00  
  Registration Fee     $0.00  
  Registration Fee Refundable      Yes  
  Registration Fee Applied to Winnings      Yes  
  Deposit / Payment types acceptable:   Deposits Payments
      Budget      No     ---  
      ACH      Yes     Yes  
      ACH auto-debit final payment      ---     No  
      Wire transfers     No     No  
      Counter payments     No     No  
  Redemptions available via ACH?     No  
  Public Access  
  Public computers available       Public Library, County Recorder  
  ** Subject to change. The site will open when approved by the County.  


For an explanation of any of the terms above, please visit the FAQs.