38 S Plain is in the 1880 Census and city directory as home to Rev. Zachariah Tyler. This building is on the 1898 Sanborn map, but it is not on the 1899 Crandall map or the 1910 or 1919 Sanborn maps. 302 S Plain would be built in the same location in about 1921. See https://www.historyforge.net/buildings/4531