Mount Arlington Boro is in Morris County, New Jersey. Its tax roll lists 143 blocks and 2,454 lots.
143 blocks · Morris County
The median assessed value in Mount Arlington Boro is $360,700. 130 sales were recorded in the last 12 months, not counting nominal transfers, at a median price of $488,500. The most recent sale on record was 88 Brookside Ln, Mount Arlington, NJ 07856, for $82,773 on Oct 7, 2026. 7 foreclosure cases are open.