$6,700
5 bd4 ba3,260 sqft
159 Brownstone Ct

The average Old Tappan, NJ home value is $1,205,213, up 2.9% over the past year.
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $1,205,213
1-year Value Change: +2.9%
(Data through September 30, 2025)
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