Monroe Ave, Plainfield, NJ Property Records

Union County and Plainfield City property records for 49 addresses on Monroe Ave, Plainfield, NJ · Last verified August 2026

Monroe Ave Highlights

Properties 49
Median Sale Price $449,000
Deeds and Mortgages on File 71
Median Price per Sqft $287
Owner Occupied 53%
Median Annual Tax Bill $8,569
Median Year Built 1930
Median Ownership Tenure 9 years

Properties on Monroe Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

215 Monroe Ave

1,488 sqft · Built 1905 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000May 2023 $6,6772025 Amount on Record Aug 2010 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

218 Monroe Ave, #20

988 sqft · Built 1921 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Mar 2023 $7,1412025 Amount on Record Nov 2011 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

219 Monroe Ave

1,368 sqft · Built 1921 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Apr 2003 $6,8462025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

221 Monroe Ave

1,368 sqft · Built 1921 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,200Mar 1977 $5,7302025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

222 Monroe Ave, #28

1,228 sqft · Built 1940 · 0.202 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$212,000Jan 2007 $9,1312025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

223 Monroe Ave, #25

Built 2025 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$870,000Apr 2026 $1,0532025 Amount on Record Jan 2023 2 Names on Record Assessor + 5 DocumentsUpdated Jul 2026

227 Monroe Ave

1,824 sqft · Built 1905 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jul 2009 $8,8282025 —Jan 2009 1 Name on Record AssessorUpdated Jul 2026

229 Monroe Ave, #31

1,224 sqft · Built 1914 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Nov 2005 $6,1142025 Amount on Record Dec 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

300 Monroe Ave, #02

3,045 sqft · Built 1925 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Aug 2025 $8,6582025 Amount on Record Jun 2020 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

304 Monroe Ave, #6

1,540 sqft · Built 1915 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,000Dec 2011 $6,0252025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

305 Monroe Ave, #07

1,292 sqft · Built 1921 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$871,776Oct 1996 $7,0692025 1 Name on Record AssessorUpdated Jul 2026

308 Monroe Ave, #10

1,203 sqft · Built 1920 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Nov 2016 $6,8192025 Amount on Record Sep 2015 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

309 Monroe Ave

1,008 sqft · Built 1921 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jun 2025 $5,5162025 Amount on Record Jan 2023 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

311 Monroe Ave, #13

1,896 sqft · Built 1921 · 0.256 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000Aug 2018 $7,3282025 Amount on Record Jul 1974 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

312 Monroe Ave, #14

1,436 sqft · Built 1915 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$449,000Mar 2026 $6,2662025 Amount on Record Jul 2025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

315 Monroe Ave, #17

1,505 sqft · Built 1921 · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,3732025 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

316 Monroe Ave

1,104 sqft · Built 1921 · 0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jun 2009 $6,2752025 Amount on Record Jun 2002 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

318 Monroe Ave, #20

1,177 sqft · Built 1921 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$54,900Aug 2017 $6,7032025 Amount on Record Oct 2016 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

319 Monroe Ave, #21

1,505 sqft · Built 1921 · 0.193 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Aug 2016 $8,6312025 Amount on Record Sep 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

322 Monroe Ave, #42

15,384 sqft · Built 1930 · 1.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

323 Monroe Ave

2,204 sqft · Built 1921 · 0.128 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$72,000Dec 2010 $7,5872025 —Sep 2010 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

411 Monroe Ave

1,184 sqft · Built 1926 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Apr 2020 $5,9362025 Amount on Record Aug 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

509 Monroe Ave, #11

1,172 sqft · Built 1926 · 0.152 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$43,241Mar 1996 $7,5692025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

611 Monroe Ave, #17

912 sqft · Built 1959 · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Jul 2019 $8,0692025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

612 Monroe Ave, #14

1,576 sqft · Built 1921 · 0.296 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$151,000Jul 2018 $8,5692025 Amount on Record Sep 2017 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

616 Monroe Ave, #18

2,330 sqft · Built 1921 · 0.297 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$699,500Jan 2025 $8,9262025 Amount on Record Nov 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

619 Monroe Ave, #23

1,996 sqft · Built 1959 · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$540,000Jun 2026 $11,7562025 Amount on Record Sep 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

625 Monroe Ave, #33

1,996 sqft · Built 1959 · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$290,000Jun 2006 $10,7292025 1 Name on Record AssessorUpdated Jul 2026

713 Monroe Ave, #17

1,444 sqft · Built 1941 · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$470,000Apr 2022 $8,4982025 Amount on Record Feb 2022 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

716 Monroe Ave, #26734

1,620 sqft · Built 1931 · 0.277 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$15,6212025 1 Name on Record AssessorUpdated Jul 2026

719 Monroe Ave, #21

1,988 sqft · Built 1931 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$280,000Apr 2019 $9,1402025 —Mar 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

723 Monroe Ave, #25

2,148 sqft · Built 1931 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$118,000Feb 1999 $9,3902025 Amount on Record Aug 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

727 Monroe Ave, #29

Built 1997 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$77,425Feb 1999 $6,4622025 Amount on Record Feb 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

728 Monroe Ave, #32

1,494 sqft · Built 1911 · 0.282 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$430,000Jul 2024 $9,0512025 Amount on Record Aug 1992 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

731 Monroe Ave, #33

2,308 sqft · Built 1931 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$414,000May 2024 $11,1042025 Amount on Record Sep 2006 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

812 Monroe Ave, #14

1,846 sqft · Built 1941 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Nov 2024 $10,6132025 Amount on Record Apr 1979 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

813 Monroe Ave, #15

1,020 sqft · Built 1951 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$510,000Jun 2025 $8,0332025 Amount on Record Aug 2013 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

816 Monroe Ave, #18

1,486 sqft · Built 1941 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,000Nov 2011 $9,1492025 Amount on Record Apr 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

817 Monroe Ave, #23

1,050 sqft · Built 1951 · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$56,300Apr 1983 $9,8192025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

820 Monroe Ave, #22

1,546 sqft · Built 1941 · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$216,000Mar 2004 $9,4972025 Amount on Record Mar 1999 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

824 Monroe Ave, #26

1,532 sqft · Built 1941 · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Dec 2025 $9,3722025 Amount on Record Sep 2012 2 Names on Record Assessor + 5 DocumentsUpdated Jul 2026

825 Monroe Ave, #27

1,050 sqft · Built 1951 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1993 $9,1582025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

828 Monroe Ave, #30

1,558 sqft · Built 1941 · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$420,000Apr 2019 $10,7112025 Amount on Record Jan 2016 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

829 Monroe Ave, #31

1,202 sqft · Built 1951 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jun 2015 $10,8542025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

832 Monroe Ave, #34

0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

833 Monroe Ave, #35

1,519 sqft · Built 1927 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Jan 2005 $10,0952025 Amount on Record Apr 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

836 Monroe Ave, #38

1,122 sqft · Built 1956 · 0.135 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$209,900Sep 2017 $6,6952025 Amount on Record Apr 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

837 Monroe Ave, #39

768 sqft · Built 1951 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$852,500Jun 2021 $8,7562025 Amount on Record Mar 2021 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

841 Monroe Ave, #43

1,136 sqft · Built 1951 · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,000Aug 1995 $9,9442025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

Property Records in Nearby Streets