The Daniel Crosby House is a historic house at 18 Bay Street in the Osterville village of Barnstable, Massachusetts. Built c. 1790, it is a 1-1/2 story "half Cape" (three bays wide), with a side entry and chimney. This well-preserved house was owned by Daniel Crosby, the progenitor of the locally prominent Crosby family, and Reverend Edward Bourne Hinckley, the community's first librarian. It was also home to the local historical society for a time The house was listed on the National Register of Historic Places in 1987.