The William Rossiter House, Claremont, NH <A HREF="http://www.valley.net/~connriver/N07-19.htm">William Rossiter House</A> The house was built circa 1813 by Austin Tyler. William Rossiter, 1805 1860, owned the house. Rossiter was an active businessman in Claremont, New Hampshire, operating the Sullivan Woolen Mills. He served as a selectman in 1839, 1845, 1850, and 1852 and as a State legislator in 1842 and 1848.