As Commerce Street, NY 141 continues to head to the northeast, passing by a line of businesses in an otherwise residential area between the hamlets of Hawthorne and Thornwood. The route eventually enters the latter's central business district, where the Saw Mill Parkway and the Harlem Line turn northwestward toward the center of the nearby village of Pleasantville.
As NY 141 continues to move northeastward along Commerce Street, it passes through a series of businesses in an area that is mostly residential between the hamlets of Hawthorne and Thornwood. Eventually, the route enters the central business district of Thornwood, where Saw Mill Parkway and the Harlem Line turn northwest toward the center of Pleasantville.