Walter Robert Sevastian 3 Main St Ste 1 Nyack, New York, 10960 Phone: 845-358-5115 Company Name: Walter R Sevastian Esq Lawyer Category: State Local Municipal Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Nyack 3 Main St Ste 1 Nyack, New York 10960 Claim/Edit Listing