520 Grand Ave Hackettstown, NJ 07840

SeniorBuilt 1923 · Residential · Vacant2 owner signals on a paid plan
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Assessed
$233,400
Last sale
$251,575Aug 26, 2025
Built
1923
Size
896 sq ft
Owner
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Status
No open cases

Property information

Block
100
Lot
3
Qualifier
—
County
Warren
Municipality
Hackettstown Town
Tax map page
15
Land description
50X127

Building details

Building class
16.5
Description
1SF 1G
Dwellings
1
Zoning
R125
Square feet
896
Acreage
0.15 ac

Assessment

Land value
$100,600
43%
Improvement value
$132,800
57%
Total assessment
$233,400
Sale assessment
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Tax (2024)
$7,730

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 · 1923–2025

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  • Deed recorded

    +88483% vs 2025
    $251,575
    Per sq ft$281Held7 moSq ft896NU codePost-foreclosure resale (31)RecordedSep 3, 2025

  • Deed recorded

    $284
    Per sq ftSq ft896NU codeSheriff sale (12)RecordedFeb 27, 2025

  • Foreclosure Case

    1. Filed
    2. Judgment
    3. Sheriff sale
    Last activity: Jul 21, 2025
    Type: Residential Mortgage Foreclosure
    Status: Defaulted
    Disposition: Default Judgment--Requires Filed Default Papers
    CourtGeneral Equity
  • 101 years

  • Property Built

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

YearProperty taxChangeLandImprovementAssessment
2024$7,730-1.8%$100,600$132,800$233,400
2023$7,875+5.6%$100,600$132,800$233,400
2022$7,459+2.1%$100,600$132,800$233,400
2021$7,303+2.8%$100,600$132,800$233,400
2020$7,105+0.7%$100,600$132,800$233,400
2019$7,058+2.0%$100,600$132,800$233,400
2018$6,920+1.7%$100,600$132,800$233,400
2017$6,806+4.4%$100,600$132,800$233,400
2016$6,521+3.4%$100,600$132,800$233,400
2015$6,309+3.5%$100,600$132,800$233,400
2014$6,094+3.1%$100,600$132,800$233,400
2013$5,912+1.9%$100,600$132,800$233,400
2012$5,800+1.1%$100,600$132,800$233,400
2011$5,737+6.8%$100,600$132,800$233,400
2010$5,371+2.2%$100,600$132,800$233,400
2009$5,257+4.4%$64,100$62,400$126,500
2008$5,035+3.9%$64,100$62,400$126,500
2007$4,845+4.1%$64,100$62,400$126,500
2006$4,655+3.7%$64,100$62,400$126,500
2005$4,491+7.3%$64,100$62,400$126,500
2004$4,187+7.8%$64,100$62,400$126,500
2003$3,884+6.3%$64,100$62,400$126,500
2002$3,652-7.7%$64,100$62,400$126,500
2001$3,955+3.2%$64,100$62,400$126,500
2000$3,831+0.6%$47,100$59,900$107,000
1999$3,809+5.6%$47,100$59,900$107,000
1998$3,606+4.7%$47,100$59,900$107,000
1997$3,445+7.3%$47,100$59,900$107,000
1996$3,210+6.0%$47,100$59,900$107,000
1995$3,028+9.3%$47,100$59,900$107,000
1994$2,771+2.8%$47,100$59,900$107,000
1993$2,696+4.1%$47,100$59,900$107,000
1992$2,589-16.6%$47,100$59,900$107,000
1991$3,1030.0%$47,100$59,900$107,000
1990$3,103+22.9%$47,100$59,900$107,000
1989$2,525—$47,100$59,900$107,000

All 15 lots on Block 100