Union St, Orange, NJ Property Records

Essex County, City Of Orange Township and West Orange Township property records for 18 addresses on Union St, Orange, NJ · Last verified July 2026

Union St Highlights

Properties 18
Median Sale Price $320,000
Deeds and Mortgages on File 24
Median Price per Sqft $213
Owner Occupied 61%
Median Annual Tax Bill $9,293
Median Year Built 1891
Median Ownership Tenure 10 years

Properties on Union St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

636 Union St

1,160 sqft · Built 1881 · 0.053 acres

Last Sale Tax Bill Prior Sale Owner Records
$253,000Apr 2007 $8,2292025 Amount on Record Jan 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

637 Union St

1,248 sqft · Built 1891 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Sep 2025 $9,2932025 Amount on Record Dec 2022 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

638 Union St

1,572 sqft · Built 1886 · 0.062 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,000Oct 2004 $11,4942025 Amount on Record Oct 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

640 Union St

1,304 sqft · Built 1886 · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jul 2001 $8,6692025 Amount on Record Nov 1995 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

644 Union St

2,011 sqft · Built 1900 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Nov 2020 $11,0502025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

645 Union St, #651

3,672 sqft · Built 1896 · 0.231 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Oct 2016 $17,6472025 Amount on Record — 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

646 Union St

2,154 sqft · Built 1881 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Oct 2024 $11,8122025 Amount on Record Aug 2014 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

652 Union St

2,575 sqft · Built 1891 · 0.062 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Mar 2025 $14,6892025 Amount on Record Dec 2018 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

653 Union St

0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2024 $1,5232025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

655 Union St

1,084 sqft · Built 1899 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,7012025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

656 Union St

996 sqft · Built 1891 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$74,000Dec 2014 $8,3662025 —Oct 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

658 Union St

1,742 sqft · Built 1891 · 0.083 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,900Jul 1974 $12,1582025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

659 Union St

1,244 sqft · Built 1899 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$272,500Sep 2020 $10,7002025 Amount on Record Jun 2019 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

661 Union St, #663

963 sqft · Built 1879 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Jul 1988 $7,3472025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

664 Union St

812 sqft · Built 1891 · 0.098 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$30,000Oct 1973 $7,0202025 1 Name on Record AssessorUpdated Jul 2026

666 Union St

3,384 sqft · Built 1926 · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Jul 2019 $19,1912025 Amount on Record Sep 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

667 Union St

0.012 acres

Last Sale Tax Bill Prior Sale Owner Records
$2582025 1 Name on Record AssessorUpdated Jul 2026

688 Union St

0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1986 $2,3212025 2 Names on Record AssessorUpdated Jul 2026

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