| Westervelt House | |
| Location: | 81 Westervelt Avenue, Tenafly, New Jersey |
| Coordinates: | 40.9214°N -73.9689°W |
| Added: | August 15, 1983 |
| Area: | less than one acre |
| Built: | 1745 |
| Refnum: | 83001586 |
| 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: | 708[1] |
| Designated Other1 Num Position: | bottom |
| Designated Other1 Color: |
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Westervelt House is located in Tenafly, Bergen County, New Jersey, United States. The south wing of the house was built in 1745 by Roelof Westervelt whose grandfather purchased the property in 1695. The central section of the house was added in 1798 and later in 1825 the north wing was added. Ownership of the house remained in the hands of the Westervelt family until 1923. It serves as the oldest standing building in Tenafly. The house was added to the National Register of Historic Places on August 15, 1983.