State Department of Assessment & Taxation (SDAT)
Information concerning the particulars of each account can be found by visiting the SDAT website. When searching, select the QAC option on the drop-down menu of their site. The 3rd and 4th digits are the district and the last 6 digits are the account number.
All over-the-counter purchases require the bidder to be registered. In addition, if the purchaser is a business, it must be registered in Maryland. Feel free to call the Treasury Division to find out the amount needed to purchase the property of interest.