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520 Grand Ave Hackettstown, NJ 07840

Built 1923ResidentialVacantForeclosure Judgment
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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
Foreclosure Judgment

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

  1. Home
  2. /
  3. NJ Property Records
  4. /
  5. Warren County
  6. /
  7. Hackettstown Town
  8. /
  9. Block 100
  10. /
  11. 520 Grand Ave, Hackettstown, NJ 07840

4 events · 1923–2025
Sales2Foreclosures1
  • 2025Aug 26

    Deed recorded

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

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  • 2025Jan 17

    Deed recorded

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

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  • 2024May 30

    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

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  • 101 years
  • 1923

    Property Built

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

36 years · 1989–2024
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

308 Sharp St, Hackettstown, NJ 07840Residential924 sq ftAssessed $249,4000.58 mi away+3% sq ftView details407 Valentine St, Hackettstown, NJ 07840Residential894 sq ftAssessed $199,0000.13 mi awaysame sizeView details403 Lafayette St, Hackettstown, NJ 07840Residential929 sq ftAssessed $211,9000.65 mi away+4% sq ftView details152 E Prospect St, Hackettstown, NJ 07840Residential897 sq ftAssessed $207,3000.64 mi awaysame sizeView details303 W Valley View Ave, Hackettstown, NJ 07840Residential958 sq ftAssessed $198,5000.28 mi away+7% sq ftView details

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  • 516 Grand Ave, Hackettstown, NJ 07840Lot 1
  • 518 Grand Ave, Hackettstown, NJ 07840Lot 2
  • 524 Grand Ave, Hackettstown, NJ 07840Lot 4.01
  • 526 Grand Ave, Hackettstown, NJ 07840Lot 4
  • 528 Grand Ave, Hackettstown, NJ 07840Lot 5
  • 536 Grand Ave, Hackettstown, NJ 07840Lot 6.01
  • 534 Grand Ave, Hackettstown, NJ 07840Lot 6
  • 101 First Ave, Hackettstown, NJ 07840Lot 7
  • 527 Valentine St, Hackettstown, NJ 07840Lot 8
  • 525 Valentine St, Hackettstown, NJ 07840Lot 9
  • 523 Valentine St, Hackettstown, NJ 07840Lot 10
  • 521 Valentine St, Hackettstown, NJ 07840Lot 11
All 15 lots on Block 100