First settled around 1749, Greenwich was incorporated in 1755 from Albany Township.
Greenwich is home to five properties that are listed on the National Register of Historic Places. These include:
Kutz Mill,ca. 1855, listed 1990; example of a custom mill that met local needs between 1850 and ca. 1935.
Kutz Mill Bridge, ca. 1854, listed 1981; at the time of listing, this was one of 5 remaining covered bridges in Berks County.
Lenhart Farm, ca. 1830, listed 1978; significant as a remaining example of early 19th century farm life and of typical Georgian-design construction using regional brown sandstone.
Merkel Grist Mill, ca. 1875, listed 1990; (partly located in Richmond Twp) significant for its association with the county gristmill industry between 1875 and 1939; it was one of the first mills to use the new roller mill technology.
Stein Mill, ca, 1857, listed 1990; directly associated with the Berks County grain milling industry from 1857 to 1899.