Decatur Ave, Middlesex, NJ Property Records

Middlesex County and Middlesex Borough property records for 58 addresses on Decatur Ave, Middlesex, NJ · Last verified July 2026

Decatur Ave Highlights

Properties 58
Median Sale Price $365,000
Deeds and Mortgages on File 52
Median Price per Sqft $263
Owner Occupied 95%
Median Annual Tax Bill $9,994
Median Year Built 1955
Median Ownership Tenure 14 years

Properties on Decatur Ave

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

301 Decatur Ave

1,858 sqft · Built 1955 · 0.219 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$250,000Nov 2003 $11,7872025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

305 Decatur Ave

1,696 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,1502025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

306 Decatur Ave

2,454 sqft · Built 1984 · 0.213 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$89,500Mar 1984 $13,2882025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

309 Decatur Ave

1,589 sqft · Built 1950 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$333,000Jun 2008 $9,4262025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

310 Decatur Ave

2,197 sqft · Built 1984 · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$92,400Jan 1984 $13,2502025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

313 Decatur Ave

3,196 sqft · Built 1955 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,1062025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

314 Decatur Ave

2,197 sqft · Built 1984 · 0.326 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$455,000May 2007 $13,8712025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

317 Decatur Ave

1,782 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$250,000Nov 2012 $11,5032025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

321 Decatur Ave

1,216 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$73,000Aug 1984 $9,9132025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

400 Decatur Ave

1,480 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 2000 $10,6512025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

401 Decatur Ave

1,792 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$460,000Nov 2023 $10,2802025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

404 Decatur Ave

1,756 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000May 2003 $9,8792025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

405 Decatur Ave

1,208 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Dec 2015 $9,0332025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

408 Decatur Ave

1,444 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$353,500Jun 2023 $10,3272025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

409 Decatur Ave

1,180 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,000Dec 2009 $9,4112025 Amount on Record Jul 2009 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

412 Decatur Ave

1,444 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$202,000Dec 2002 $9,9032025 1 Name on Record AssessorUpdated Jul 2026

413 Decatur Ave

1,536 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,3092025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

416 Decatur Ave

1,776 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Sep 2019 $10,7172025 —Sep 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

417 Decatur Ave

1,632 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$143,500Jul 1993 $10,5622025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

420 Decatur Ave

1,494 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jun 2009 $10,3602025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

421 Decatur Ave

1,632 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Aug 2017 $10,1172025 Amount on Record Feb 2017 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

424 Decatur Ave

1,444 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$380,000Oct 2020 $9,8602025 Amount on Record Oct 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

425 Decatur Ave

1,824 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,000Oct 1996 $10,2882025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

428 Decatur Ave

1,248 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Jan 2006 $9,4492025 Amount on Record Jul 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

429 Decatur Ave

1,326 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,3392025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

432 Decatur Ave

1,444 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2024 $9,9032025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

433 Decatur Ave

1,940 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Sep 2008 $10,6742025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

436 Decatur Ave

1,444 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$266,000Aug 2019 $10,4332025 Amount on Record Aug 1997 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

437 Decatur Ave

1,632 sqft · Built 1955 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,350,020Sep 2018 $9,8412025 Amount on Record May 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

501 Decatur Ave

1,155 sqft · Built 1977 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,4152025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

502 Decatur Ave

1,580 sqft · Built 1954 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Sep 2023 $9,3582025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

504 Decatur Ave

1,040 sqft · Built 1954 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$194,900Nov 2002 $9,8242025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

505 Decatur Ave

3,520 sqft · Built 1920 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,000Nov 2013 $14,9482025 —Mar 2025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

506 Decatur Ave

1,510 sqft · Built 1954 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$209,900Dec 2001 $10,5342025 Amount on Record Sep 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

510 Decatur Ave

1,248 sqft · Built 1954 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$181,500May 2012 $10,3052025 1 Name on Record AssessorUpdated Jul 2026

511 Decatur Ave

1,370 sqft · Built 1960 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$289,900Oct 2017 $11,2832025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

514 Decatur Ave

1,320 sqft · Built 1954 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Jul 2021 $9,5172025 Amount on Record May 2019 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

517 Decatur Ave

1,952 sqft · Built 1954 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Apr 1987 $9,9942025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

518 Decatur Ave

1,684 sqft · Built 1954 · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Dec 2016 $10,2212025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

519 Decatur Ave

1,410 sqft · Built 1954 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$321,000Oct 2020 $9,9942025 Amount on Record Aug 2018 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

520 Decatur Ave

1,212 sqft · Built 1953 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$68,750Feb 1998 $9,6952025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

521 Decatur Ave

1,646 sqft · Built 1954 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,000Oct 2018 $10,1612025 —May 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

523 Decatur Ave

1,288 sqft · Built 1950 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$182,000Jan 2002 $10,0362025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

524 Decatur Ave

1,248 sqft · Built 1954 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,9832025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

527 Decatur Ave

1,248 sqft · Built 1954 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$237,500Dec 2015 $9,7712025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

528 Decatur Ave

1,734 sqft · Built 1954 · 0.229 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$267,500Feb 2005 $10,0042025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

531 Decatur Ave

1,285 sqft · Built 1950 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$365,000Dec 2020 $9,9832025 Amount on Record Jul 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

604 Decatur Ave

2,420 sqft · Built 2014 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$459,100Aug 2014 $13,3692025 Amount on Record Jan 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

605 Decatur Ave

936 sqft · Built 1956 · 0.229 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,000Sep 2012 $8,6772025 Amount on Record Oct 2007 1 Name on Record AssessorUpdated Jul 2026

607 Decatur Ave

1,100 sqft · Built 1955 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jul 2017 $8,3062025 Amount on Record Sep 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

608 Decatur Ave

1,690 sqft · Built 1925 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Dec 2022 $10,5302025 Amount on Record May 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

609 Decatur Ave

1,320 sqft · Built 1955 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Aug 2009 $11,0752025 Amount on Record Apr 2004 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

611 Decatur Ave

1,190 sqft · Built 1955 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$267,500May 2016 $9,3752025 Amount on Record Jun 2009 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

612 Decatur Ave

1,118 sqft · Built 1925 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jul 2009 $8,6582025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

613 Decatur Ave

1,480 sqft · Built 1957 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$145,000Jun 2000 $10,6492025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

614 Decatur Ave

1,100 sqft · Built 1972 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,000Jun 2018 $8,5972025 Amount on Record Aug 1988 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

615 Decatur Ave

1,060 sqft · Built 1954 · 0.156 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$320,000Sep 2020 $8,3932025 Amount on Record Jun 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

618 Decatur Ave

1,628 sqft · Built 1949 · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,2092025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on Decatur Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets