520 Mountain Ave Westfield, NJ 07090

Built 1909 · Residential2 owner signals on a paid plan
Assessed
$676,400
Last sale
$1,125,000Aug 11, 2025
Built
1909
Size
2,438 sq ft
Status
No open cases

Property information

Block
1203
Lot
5
Qualifier
—
County
Union
Municipality
Westfield Town
Tax map page
1909
Land description
60X145

Building details

Building class
17
Description
2.5S-F-L-DG
Dwellings
1
Zoning
—
Square feet
2,438
Acreage
0.2 ac

Assessment

Land value
$450,000
67%
Improvement value
$226,400
33%
Total assessment
$676,400
Sale assessment
Sign in to see
Tax (2024)
$15,233

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 · 1909–2025

Sign in to see the parties and documents

  • Deed recorded

    +436% vs 1997
    $1,125,000
    Per sq ft$461Held12.2 yrsSq ft2,438RecordedAug 18, 2025
  • 29 years
  • Deed recorded

    $210,000
  • 88 years
  • Property Built

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

YearProperty taxChangeLandImprovementAssessment
2024$15,233+2.1%$450,000$226,400$676,400
2023$14,921+2.0%$450,000$226,400$676,400
2022$14,631+0.2%$450,000$226,400$676,400
2021$14,597+0.4%$450,000$226,400$676,400
2020$14,543+1.6%$450,000$226,400$676,400
2019$14,308+0.6%$450,000$226,400$676,400
2018$14,230+2.4%$58,800$95,100$153,900
2017$13,896+2.0%$58,800$95,100$153,900
2016$13,619+3.4%$58,800$95,100$153,900
2015$13,169+4.6%$58,800$95,100$153,900
2014$12,594+4.1%$58,800$95,100$153,900
2013$12,100+4.0%$58,800$95,100$153,900
2012$11,639+4.0%$58,800$95,100$153,900
2011$11,192+5.2%$58,800$95,100$153,900
2010$10,641+3.7%$58,800$95,100$153,900
2009$10,264+5.4%$58,800$95,100$153,900
2008$9,739+4.0%$58,800$95,100$153,900
2007$9,362+4.2%$58,800$95,100$153,900
2006$8,988+4.7%$58,800$95,100$153,900
2005$8,588+6.2%$58,800$95,100$153,900
2004$8,089+6.7%$58,800$95,100$153,900
2003$7,581+9.3%$58,800$95,100$153,900
2002$6,935+6.0%$58,800$95,100$153,900
2001$6,541+3.7%$58,800$95,100$153,900
2000$6,310+10.2%$58,800$95,100$153,900
1999$5,727+1.5%$58,800$85,100$143,900
1998$5,641+2.6%$58,800$85,100$143,900
1997$5,497+4.4%$58,800$85,100$143,900
1996$5,267+3.1%$58,800$85,100$143,900
1995$5,108+5.3%$58,800$85,100$143,900
1994$4,849+7.7%$58,800$85,100$143,900
1993$4,504—$58,800$85,100$143,900