| St. Thomas' Episcopal Church Complex | |
| Location: | 158-168 W. Boston Post Rd., Mamaroneck, New York |
| Coordinates: | 40.9481°N -73.735°W |
| Built: | 1884 |
| Architect: | Bassett, Jones |
| Architecture: | Gothic Revival |
| Added: | August 12, 2003 |
| Refnum: | 03000242 |
St. Thomas' Episcopal Church Complex is a historic Episcopal church complex at 158-168 W. Boston Post Road in Mamaroneck, Westchester County, New York. The complex, built between 1884 and 1925, comprises a cluster of four buildings. The Gothic Revival-style church is constructed entirely of rough-dressed Belleville brownstone with a red slate gable roof. It features a square tower on the north facade with clock faces and louvres. The property also includes the Parish House / Chapel (1884-1886), Endowment Building (1887), and Heathcote Hall (1925).[1]
It was added to the National Register of Historic Places in 2003.