646 MOUNTAIN AVENUE, Berkeley Heights, New Jersey

Public property record for 646 MOUNTAIN AVENUE in Berkeley Heights, Union County, New Jersey — tax assessment, lot details, and sales history from official New Jersey records.

Property Facts

• Property class: Residential
• Year built: 1953
• Lot size: 0.34 acres
• Building area: 1,690 sq ft
• Land assessment: $129,200
• Improvement assessment: $86,300
• Total assessment: $215,500
• Latest annual tax: $9,238

The most recent assessment values 646 MOUNTAIN AVENUE at $215,500 total ($129,200 land plus $86,300 improvements).

Sale History

• 2026-04-16 — $2,050,118
• 2025-06-10 — $150,000
• 2023-09-08 — $500,000

Nearby Properties on Block 3201

• 732 MOUNTAIN AVE
• 630 PLAINFIELD AVENUE
• 704 MOUNTAIN AVE
• 694 MOUNTAIN AVE
• 686 MOUNTAIN AVE
• 678 MOUNTAIN AVE
• 1 TREETOP COURT
• 3 TREETOP COURT
• 5 TREETOP COURT
• 4 TREETOP COURT

See more in Berkeley Heights property records, Union County property records, or the Berkeley Heights sales history.