336 Mountain Ave Westfield, NJ 07090

Built 1898 · ResidentialNew owner since Jun 12, 20262 owner signals on a paid plan
Assessed
$783,300
Last sale
$1,970,000Jun 12, 2026
Built
1898
Size
3,654 sq ft
Status
No open cases

Property information

Block
2403
Lot
1
Qualifier
—
County
Union
Municipality
Westfield Town
Tax map page
1898
Land description
75X170

Building details

Building class
18
Description
2.5S-F-DG
Dwellings
1
Zoning
—
Square feet
3,654
Acreage
0.29 ac

Assessment

Land value
$482,000
62%
Improvement value
$301,300
38%
Total assessment
$783,300
Sale assessment
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Tax (2024)
$17,656

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.

5 events · 1898–2026

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  • Deed recorded

    +97% vs 2025
    $1,970,000
    Per sq ft$539Held1.2 yrsSq ft3,654NU codeImproved post-assessment (7)RecordedJun 22, 2026
  • Deed recorded

    +204% vs 1993
    $999,999
    Per sq ft$300Held31.5 yrsSq ft3,338RecordedApr 25, 2025
  • 31 years
  • Deed recorded

    +12% vs 1992
    $329,000
    Held1.5 yrs
  • Deed recorded

    $295,000
  • 94 years
  • Property Built

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

YearProperty taxChangeLandImprovementAssessment
2024$17,656+2.1%$482,000$301,300$783,300
2023$17,295+2.0%$482,000$302,000$784,000
2022$16,958+0.2%$482,000$302,000$784,000
2021$16,919-18.3%$482,000$302,000$784,000
2020$20,717+25.4%$482,000$302,000$784,000
2019$16,521+0.6%$482,000$481,600$963,600
2018$16,430+2.4%$66,400$111,300$177,700
2017$16,045+2.0%$66,400$111,300$177,700
2016$15,725+3.4%$66,400$111,300$177,700
2015$15,206+4.6%$66,400$111,300$177,700
2014$14,541+4.1%$66,400$111,300$177,700
2013$13,971+4.0%$66,400$111,300$177,700
2012$13,439+4.0%$66,400$111,300$177,700
2011$12,922+5.2%$66,400$111,300$177,700
2010$12,286+3.7%$66,400$111,300$177,700
2009$11,851+5.4%$66,400$111,300$177,700
2008$11,245+4.0%$66,400$111,300$177,700
2007$10,809+4.2%$66,400$111,300$177,700
2006$10,378+5.7%$66,400$111,300$177,700
2005$9,815+6.2%$66,400$111,300$177,700
2004$9,245+6.7%$66,400$109,500$175,900
2003$8,665+9.3%$66,400$109,500$175,900
2002$7,926+6.0%$66,400$109,500$175,900
2001$7,476+3.7%$66,400$109,500$175,900
2000$7,212+3.0%$66,400$109,500$175,900
1999$7,001+1.5%$66,400$109,500$175,900
1998$6,895+2.6%$66,400$109,500$175,900
1997$6,719+4.4%$66,400$109,500$175,900
1996$6,438+3.1%$66,400$109,500$175,900
1995$6,244+5.3%$66,400$109,500$175,900
1994$5,928+8.7%$66,400$109,500$175,900
1993$5,456—$66,400$109,500$175,900