Tax Sale Forclosure Attorney- I am looking to pay the taxes on a property in Balt MD

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I am looking to pay the taxes on a property in Balt MD listed in the "Tax sale" booklet provided by 200 Holiday before it goes to the "Tax sale auction". I would like to get an attorney involved in the foreclosure process, but I am finding it hard to locate one. At what point do I need to get an attorney involved in the process and what would be the cost? I am new to this and any advise or recommendations are welcome. The property is listed as vacant and I have gone to see it (the outside). Thank you in advance for you help.