Old Tappan Boro is in Bergen County, New Jersey. Its tax roll lists 150 blocks and 2,209 lots.
150 blocks · Bergen County
The median assessed value in Old Tappan Boro is $1,104,350. 58 sales were recorded in the last 12 months, not counting nominal transfers, at a median price of $1,175,000. The most recent sale on record was 6 Jay Street, Old Tappan, NJ 07675, for $1,260,000 on Aug 12, 2026. 2 foreclosure cases are open.