146 Mountainside Rd Mendham, NJ 07945

Built 2005 · Residential2 owner signals on a paid plan
Assessed
$1,338,200
Last sale
$1,775,000Oct 15, 2025
Built
2005
Size
5,920 sq ft
Status
No open cases

Property information

Block
501
Lot
12
Qualifier
—
County
Morris
Municipality
Mendham Boro
Tax map page
—
Land description
6.160 AC

Building details

Building class
19
Description
2S F G1 OB1
Dwellings
1
Zoning
1-AC
Square feet
5,920
Acreage
6.16 ac

Assessment

Land value
$455,400
34%
Improvement value
$882,800
66%
Total assessment
$1,338,200
Sale assessment
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Tax (2024)
$32,920

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.

11 events · 2004–2025

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  • Mortgage discharged

    Instrument2025042685CountyMorris
  • Deed recorded

    +42% vs 2009
    $1,775,000
    Held9.2 yrs
  • Mortgage recorded

    Instrument2025042581CountyMorris
  • 4 years
  • Mortgage recorded

    Instrument2021082915CountyMorris
  • 12 years
  • Deed recorded

    -14% vs 2006
    $1,250,000
    Per sq ft$578Held2.7 yrsSq ft2,164RecordedJun 11, 2009
  • Deed recorded

    +5540% vs 2004
    $1,460,000
    Per sq ft$675Held1.8 yrsSq ft2,164NU codeImproved post-assessment (7)RecordedOct 27, 2006
  • Property Built

  • Deed recorded

    -94% vs 2004
    $25,887
    Per sq ft$13Held5 moSq ft2,036RecordedDec 17, 2004
  • Deed recorded

    $431,000
    RecordedJul 28, 2004

YearProperty taxChangeLandImprovementAssessment
2024$32,920+0.2%$455,400$882,800$1,338,200
2023$32,839+7.5%$455,400$882,800$1,338,200
2022$30,537+1.8%$455,400$848,500$1,303,900
2021$30,003+2.4%$455,400$848,500$1,303,900
2020$29,299+5.7%$455,400$848,500$1,303,900
2019$27,707+1.5%$455,400$795,500$1,250,900
2018$27,307+3.4%$455,400$795,500$1,250,900
2017$26,397+2.3%$455,400$791,500$1,246,900
2016$25,811+2.7%$455,400$791,500$1,246,900
2015$25,138+3.0%$455,400$791,500$1,246,900
2014$24,402+2.0%$455,400$791,500$1,246,900
2013$23,916+0.5%$455,400$791,500$1,246,900
2012$23,791+0.8%$455,400$791,500$1,246,900
2011$23,593+2.9%$455,400$787,000$1,242,400
2010$22,927+4.6%$455,400$787,000$1,242,400
2009$21,920+5.9%$687,000$816,400$1,503,400
2008$20,699+94.6%$687,000$812,900$1,499,900
2007$10,635+64.6%$824,400—$824,400
2006$6,460-19.5%$824,400—$824,400
2005$8,029+6.9%$208,400$64,700$273,100
2004$7,510+4.2%$208,400$64,700$273,100
2003$7,210+6.1%$208,400$64,700$273,100
2002$6,797+5.9%$208,400$64,700$273,100
2001$6,418+5.9%$208,400$64,700$273,100
2000$6,063+4.2%$208,400$64,700$273,100
1999$5,817+43.0%$208,400$64,700$273,100
1998$4,069+2.0%$208,400$64,700$273,100
1997$3,991+1.5%$130,000$64,700$194,700
1996$3,933+0.5%$130,000$64,700$194,700
1995$3,913+3.1%$130,000$64,700$194,700
1994$3,797+3.7%$130,000$64,700$194,700
1993$3,662+2.9%$130,000$63,000$193,000
1992$3,560+5.5%$135,000$69,600$204,600
1991$3,376+18.4%$135,000$69,600$204,600
1990$2,851+8.7%$135,000$69,600$204,600
1989$2,623—$25,000$31,900$56,900