112 42nd Avenue, San Mateo, CA 94403
Property Description
112-114 W 42nd is a large, well-maintained duplex on the southern border of San Mateo and Belmont. Built in 1947, the 2,728 square foot property sits on a 5,200 square foot lot has a two car garage. The reinforced lower level could add 1,395 square feet of space for an additional ADU.