Webster Baptist Church is a historic Baptist church located at Webster in Monroe County, New York. It is a large Greek Revival style cobblestone church building built in 1856. The building features an octagonal open domed belfry supported by eight Ionic columns. It has a veneer of small, rounded and uniform lake-washed cobbles. It is one of only 14 cobblestone church buildings in New York state, and of 106 cobblestone structures in Monroe County. The building was fully renovated in 1965.