Houses
- Dawson Manor Boulevard (formerly 17850 Yonge Street) (Bonshaw Farm House)
- Part of Lot 97, Conc. 1, West of Yonge Street, Designated as Part 3, Plan 65R-25551, Town of Newmarket.
- Constructed between 1840 and 1841 for Jacob Aemelius Irving, a prominent farmer, warden of the District of Simcoe and a member of the Legislative Council of Canada.
- Two-storey brick house clad in stucco rests on a rubble stone foundation and has a hip roof and prominent chimneys.
- Principal Façade has a centre door with fan transom and sidelights and is flanked by French windows.
- Façade also has a Classical portico with a pediment supported by four Ionic columns.