657 HILLSIDE AVENUE, Mountainside, New Jersey

Public property record for 657 HILLSIDE AVENUE in Mountainside, Union County, New Jersey — tax assessment, lot details, and sales history from official New Jersey records.

Property Facts

• Property class: Residential
• Year built: 1950
• Lot size: 0.43 acres
• Building area: 2,872 sq ft
• Land assessment: $361,000
• Improvement assessment: $338,200
• Total assessment: $699,200
• Latest annual tax: $14,333

The most recent assessment values 657 HILLSIDE AVENUE at $699,200 total ($361,000 land plus $338,200 improvements).

Sale History

• 2025-11-06 — $1,100,000

Nearby Properties on Block 11

• 155 WILD HEDGE LANE
• 151 WILD HEDGE LANE
• 153 WILD HEDGE LANE
• 135 WILD HEDGE LANE
• 119 WILD HEDGE LANE
• 737 HILLSIDE AVENUE
• 525 HILLSIDE AVENUE
• 467 HILLSIDE AVENUE
• 585 HILLSIDE AVENUE
• HILLSIDE AVENUE

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