| Thomas Demarest House | |
| Location: | 370 Grand Avenue, Englewood, New Jersey |
| Coordinates: | 40.8856°N -73.9781°W |
| Built: | 1803 |
| Architect: | Lydecker, Garret |
| Added: | January 9, 1983 |
| Area: | less than one acre |
| Refnum: | 83001498 |
| Designated Other1 Name: | New Jersey Register of Historic Places |
| Designated Other1 Abbr: | NJRHP |
| Designated Other1 Link: | New Jersey Register of Historic Places |
| Designated Other1 Date: | October 3, 1980 |
| Designated Other1 Number: | 471[1] |
| Designated Other1 Num Position: | bottom |
| Designated Other1 Color: |
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Thomas Demarest House was located in Englewood, Bergen County, New Jersey, United States. The house was built in 1803 and was added to the National Register of Historic Places on January 9, 1983. The house was demolished in May 1995 by a developer and replaced by a non-descript commercial building.