FAMILY AIDES owns the listed address in Hicksville NY:
https://i2f.uslandrecords.com/NY/Nassau/D/Default.aspx?AspxAutoDetectCookieSupport=1
Grantor FAMILY AIDES INC 13332 930 Deed 3/12/2016 24696 4
Schnell still listed as head of Family Aides.
William C. Schnell serves as President of Family Aides Inc. Mr. Schnell served as a Engineer of Grumman Aerospace Corp, Bethpate, NY. from 1967 to 1982.
http://www.bloomberg.com/research/stocks/private/person.asp?personId=5993254&privcapId=4325997