646 Mountain Avenue Berkeley Heights, NJ 07922

Built 1953 · ResidentialNew owner since Apr 16, 20262 owner signals on a paid plan
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Assessed
$232,600
Last sale
$2,050,118Apr 16, 2026
Built
1953
Size
1,690 sq ft
Owner
Sign in to seeOwner details on a paid plan
Status
No open cases

Property information

Block
3201
Lot
8
Qualifier
—
County
Union
Municipality
Berkeley Heights Twp
Tax map page
—
Land description
.340 AC

Building details

Building class
16
Description
1SF2G
Dwellings
1
Zoning
R-15
Square feet
1,690
Acreage
0.34 ac

Assessment

Land value
$146,300
63%
Improvement value
$86,300
37%
Total assessment
$232,600
Sale assessment
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Tax (2024)
$9,238

Owner mailing

Street address

Property information on this site is compiled from public sources and is provided as-is; we do not guarantee its accuracy.

4 events · 1953–2026

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  • Deed recorded

    +1267% vs 2025
    $2,050,118
    Per sq ft$1,213Held10 moSq ft1,690NU codeImproved post-assessment (7)RecordedApr 21, 2026

  • Deed recorded

    -70% vs 2023
    $150,000
    Per sq ft$89Held1.8 yrsSq ft1,690NU codePartial parcel (6)RecordedJun 19, 2025

  • Deed recorded

    $500,000
    Per sq ft$296Sq ft1,690RecordedSep 26, 2023
  • 71 years

  • Property Built

County clerks also index recorded documents by address and by the names on them. Search Union County records

YearProperty taxChangeLandImprovementAssessment
2024$9,238+1.5%$146,300$86,300$232,600
2023$9,105+1.2%$129,200$86,300$215,500
2022$8,999-0.5%$129,200$86,300$215,500
2021$9,047+0.5%$129,200$86,300$215,500
2020$9,001+2.1%$129,200$86,300$215,500
2019$8,814+1.2%$129,200$86,300$215,500
2018$8,706+1.8%$129,200$86,300$215,500
2017$8,553+0.6%$129,200$86,300$215,500
2016$8,506+2.7%$129,200$86,300$215,500
2015$8,284+3.9%$129,200$86,300$215,500
2014$7,976+2.4%$129,200$86,300$215,500
2013$7,786+0.8%$129,200$86,300$215,500
2012$7,726+8.1%$129,200$86,300$215,500
2011$7,148+5.2%$129,200$86,300$215,500
2010$6,793+1.6%$129,200$86,300$215,500
2009$6,687+3.3%$129,200$86,300$215,500
2008$6,476+1.6%$129,200$86,300$215,500
2007$6,374+8.9%$129,200$86,300$215,500
2006$5,855+7.1%$129,200$86,300$215,500
2005$5,469+4.0%$129,200$86,300$215,500
2004$5,260+8.9%$129,200$86,300$215,500
2003$4,829+7.5%$129,200$86,300$215,500
2002$4,493+4.3%$129,200$86,300$215,500
2001$4,310+1.5%$129,200$86,300$215,500
2000$4,245+3.4%$129,200$86,300$215,500
1999$4,106+9.4%$129,200$86,300$215,500
1998$3,752-1.4%$42,400$46,100$88,500
1997$3,806+5.9%$42,400$46,100$88,500
1996$3,593-0.7%$42,400$46,100$88,500
1995$3,620+4.3%$42,400$46,100$88,500
1994$3,469+5.1%$42,400$46,100$88,500
1993$3,301+4.8%$42,400$46,100$88,500
1992$3,151+4.1%$42,400$46,100$88,500
1991$3,0270.0%$42,400$46,100$88,500
1990$3,027+17.1%$42,400$46,100$88,500
1989$2,584—$42,400$46,100$88,500

All 61 lots on Block 3201