89 Mountain Ave Mendham, NJ 07945

Built 1955 · ResidentialNew owner since Sep 18, 20262 owner signals on a paid plan
Assessed
$552,900
Last sale
$665,000Sep 18, 2026
Built
1955
Size
2,140 sq ft
Status
No open cases

Property information

Block
501
Lot
8
Qualifier
—
County
Morris
Municipality
Mendham Boro
Tax map page
—
Land description
1.370 AC

Building details

Building class
17
Description
1SF G2 POOL
Dwellings
1
Zoning
1-AC
Square feet
2,140
Acreage
1.37 ac

Assessment

Land value
$318,200
58%
Improvement value
$234,700
42%
Total assessment
$552,900
Sale assessment
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Tax (2024)
$13,601

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.

9 events · 1955–2026

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  • Deed recorded

    +122% vs 1997
    $665,000
    Held20.9 yrs
  • 11 years
  • Foreclosure Case

    1. Filed
    2. Dismissed
    Last activity: Oct 10, 2017
    Type: Residential Mortgage Foreclosure
    Status: Closed
    Disposition: Dismissed By Court Without Prejudice
    CourtGeneral Equity
  • Foreclosure Case

    1. Filed
    2. Dismissed
    Type: Residential Mortgage Foreclosure
    Status: Closed
    Disposition: Dismissed Rule 1
    CourtGeneral Equity
  • 15 years
  • Deed recorded

    $300,000
    Held1 moNU codePartial parcel (6)RecordedDec 11, 1997
  • 43 years
  • Property Built

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

YearProperty taxChangeLandImprovementAssessment
2024$13,601+0.2%$318,200$234,700$552,900
2023$13,568+4.8%$318,200$234,700$552,900
2022$12,949+1.8%$318,200$234,700$552,900
2021$12,722+2.4%$318,200$234,700$552,900
2020$12,424+1.4%$318,200$234,700$552,900
2019$12,247+1.5%$318,200$234,700$552,900
2018$12,070+3.1%$318,200$234,700$552,900
2017$11,705+2.3%$318,200$234,700$552,900
2016$11,445+2.7%$318,200$234,700$552,900
2015$11,146+3.0%$318,200$234,700$552,900
2014$10,820+2.0%$318,200$234,700$552,900
2013$10,605+0.5%$318,200$234,700$552,900
2012$10,549+0.5%$318,200$234,700$552,900
2011$10,500+4.8%$318,200$234,700$552,900
2010$10,022+4.6%$318,200$234,700$552,900
2009$9,582+5.7%$437,000$220,200$657,200
2008$9,069+7.0%$437,000$220,200$657,200
2007$8,478-5.8%$437,000$220,200$657,200
2006$8,999+5.4%$437,000$220,200$657,200
2005$8,535+6.9%$142,200$148,100$290,300
2004$7,983+4.2%$142,200$148,100$290,300
2003$7,664+6.1%$142,200$148,100$290,300
2002$7,226+5.9%$142,200$148,100$290,300
2001$6,822+5.9%$142,200$148,100$290,300
2000$6,445+4.2%$142,200$148,100$290,300
1999$6,183-10.6%$142,200$148,100$290,300
1998$6,918+2.0%$142,200$148,100$290,300
1997$6,785+4.6%$185,300$148,100$333,400
1996$6,485+0.5%$185,300$148,100$333,400
1995$6,451+3.2%$185,300$148,100$333,400
1994$6,251+3.7%$185,300$148,100$333,400
1993$6,031+3.0%$185,300$148,100$333,400
1992$5,856-10.5%$192,400$158,500$350,900
1991$6,545+27.4%$192,400$158,500$350,900
1990$5,136+9.1%$253,300$158,500$411,800
1989$4,706—$42,000$65,500$107,500