Seneca Ave, Middlesex, NJ Property Records

Middlesex County and Middlesex Borough property records for 43 addresses on Seneca Ave, Middlesex, NJ · Last verified August 2026

Seneca Ave Highlights

Properties 43
Median Sale Price $450,000
Deeds and Mortgages on File 58
Median Price per Sqft $301
Owner Occupied 95%
Median Annual Tax Bill $10,960
Median Year Built 1955
Median Ownership Tenure 13 years

Properties on Seneca Ave

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

302 Seneca Ave

1,146 sqft · Built 1950 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,5172025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

304 Seneca Ave

1,200 sqft · Built 1953 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,521Oct 2017 $9,8242025 Amount on Record Feb 2006 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

305 Seneca Ave

1,776 sqft · Built 1951 · 0.354 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1993 $10,7992025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

306 Seneca Ave

1,220 sqft · Built 1945 · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$160,000Aug 2001 $9,1992025 —Aug 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

309 Seneca Ave

750 sqft · Built 1949 · 0.279 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,000Sep 2019 $8,7922025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

310 Seneca Ave

1,229 sqft · Built 1951 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Jun 2023 $9,8242025 Amount on Record Nov 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

313 Seneca Ave

1,664 sqft · Built 1956 · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2011 $11,0282025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

316 Seneca Ave

1,675 sqft · Built 1955 · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$595,000Nov 2025 $10,7782025 Amount on Record Mar 2025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

317 Seneca Ave

1,309 sqft · Built 1952 · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$133,000Jun 1990 $10,4642025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

320 Seneca Ave

1,395 sqft · Built 1955 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Aug 2015 $11,4012025 Amount on Record Aug 2007 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

321 Seneca Ave

1,442 sqft · Built 1952 · 0.162 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$435,000Jul 2022 $11,7472025 Amount on Record May 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

324 Seneca Ave

1,671 sqft · Built 1955 · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$147,900Nov 1992 $11,2422025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

325 Seneca Ave

1,664 sqft · Built 1952 · 0.175 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,016,200Oct 1998 $10,9432025 Amount on Record Aug 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

328 Seneca Ave

1,884 sqft · Built 1954 · 0.197 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Oct 2009 $11,4652025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

329 Seneca Ave

1,669 sqft · Built 1952 · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$147,500Mar 1999 $11,5822025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

332 Seneca Ave

1,675 sqft · Built 1955 · 0.217 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Aug 1996 $11,5772025 —Jul 1996 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

333 Seneca Ave

1,367 sqft · Built 1952 · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,000Dec 2002 $11,5122025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

336 Seneca Ave

2,147 sqft · Built 1955 · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$11,3382025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

337 Seneca Ave

2,588 sqft · Built 1952 · 0.334 acres

Last Sale Tax Bill Prior Sale Owner Records
$662,000Oct 2023 $13,7882025 Amount on Record Apr 2022 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

345 Seneca Ave

2,742 sqft · Built 1996 · 0.387 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,169Dec 1996 $15,1582025 Amount on Record Jul 1996 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

347 Seneca Ave

2,229 sqft · Built 1952 · 0.29 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Nov 2023 $11,4462025 Amount on Record Jan 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

349 Seneca Ave

1,687 sqft · Built 1952 · 0.182 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$485,000Dec 2021 $12,9282025 Amount on Record Jul 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

352 Seneca Ave

2,106 sqft · Built 1963 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Aug 1996 $11,3442025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

357 Seneca Ave

2,578 sqft · Built 1955 · 0.827 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jun 2011 $12,2562025 Amount on Record Mar 2003 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

362 Seneca Ave

1,012 sqft · Built 1963 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$102,000Jan 1986 $7,8362025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

372 Seneca Ave

1,152 sqft · Built 1955 · 0.287 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Sep 2025 $9,9602025 Amount on Record Apr 2013 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

380 Seneca Ave

1,196 sqft · Built 1964 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Sep 2013 $8,9192025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

387 Seneca Ave

1,282 sqft · Built 1963 · 0.017 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$262,000Apr 2019 $9,3112025 Amount on Record Jan 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

389 Seneca Ave

1,272 sqft · Built 1950 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1988 $8,6372025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

390 Seneca Ave

1,196 sqft · Built 1973 · 0.215 acres

Last Sale Tax Bill Prior Sale Owner Records
$382,000Dec 2020 $10,5872025 Amount on Record Sep 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

396 Seneca Ave

2,220 sqft · Built 1959 · 0.287 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Jul 2011 $11,8212025 Amount on Record May 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

404 Seneca Ave

1,425 sqft · Built 1964 · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$195,000Jun 1999 $10,4412025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

407 Seneca Ave

1,372 sqft · Built 1956 · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,4552025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

408 Seneca Ave

1,425 sqft · Built 1952 · 0.323 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Jan 2007 $9,5292025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

411 Seneca Ave

2,574 sqft · Built 1930 · 0.459 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jun 2018 $13,2252025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

420 Seneca Ave

2,100 sqft · Built 1963 · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$575,000Jan 2025 $11,5582025 Amount on Record Jul 2001 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

421 Seneca Ave

1,564 sqft · Built 1952 · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,000Oct 2016 $11,0852025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

424 Seneca Ave

1,316 sqft · Built 1963 · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$320,000May 2017 $11,1112025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

425 Seneca Ave

1,242 sqft · Built 1960 · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$245,000Jan 2019 $10,9882025 —Aug 2018 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

428 Seneca Ave

1,566 sqft · Built 1950 · 0.287 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jul 2017 $10,9602025 Amount on Record Nov 2015 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

600 Seneca Ave

1,144 sqft · Built 1955 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$329,900Jun 2019 $9,6292025 Amount on Record Nov 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

602 Seneca Ave

1,296 sqft · Built 1956 · 0.144 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$135,000Mar 1996 $9,7442025 —Oct 1995 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

606 Seneca Ave

1,296 sqft · Built 1956 · 0.212 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$158,500Dec 2000 $9,7442025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

Property Records in Nearby Streets