520 MOUNTAIN AVE, Westfield, New Jersey

Public property record for 520 MOUNTAIN AVE in Westfield, Union County, New Jersey — tax assessment, lot details, and sales history from official New Jersey records.

Property Facts

• Property class: Residential
• Year built: 1909
• Lot size: 0.20 acres (60 × 145 ft)
• Building area: 2,438 sq ft
• Land assessment: $450,000
• Improvement assessment: $226,400
• Total assessment: $676,400
• Latest annual tax: $15,232

The most recent assessment values 520 MOUNTAIN AVE at $676,400 total ($450,000 land plus $226,400 improvements).

Sale History

• 2025-08-11 — $1,125,000

Nearby Properties on Block 1203

• 500 MOUNTAIN AVE
• 504 MOUNTAIN AVE
• 510 MOUNTAIN AVE
• 514 MOUNTAIN AVE
• 526 MOUNTAIN AVE
• 530 MOUNTAIN AVE
• 536 MOUNTAIN AVE
• 540 MOUNTAIN AVE
• 542 MOUNTAIN AVE
• 548 MOUNTAIN AVE

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