Colby James and Kim E. Matthews of Schenectady, N.Y., to Patrick Mulligan of Newtown, residential property at 52 Key Rock Road for $395,000. Joan Allison of Sandy Hook to Marissa and Jeffrey Juliano of Newtown, residential property at 32 Sugar Street for $240,000. Ren Li Zheng of Brookfield to Laura A. and Landon T. Sock of Newtown, residential property at 8 Northridge Drive for $775,000.