Buying land Next to a house , the land owner is recently deceased.

[Aaron Foster]

I'm in the process of trying to purchase a house, I am interested in purchasing it only if I can buy a small undeveloped .25 acre of land next to the house. I found the owners information on the SDAT and looked her up through tax records. Apparently she just passed away in June of this year. Who do I contact to purchase the property and how? I work better with visuals so here is an image of the property; She owned the top 3 of 4 highlighted parcels. (64,65,66).    The irony of it is that the address she had listed is actually the funeral home which she owned...