Middlesex County and Middlesex Borough property records for 51 addresses on Mountain Ave, Middlesex, NJ · Last verified August 2026
| Properties | 51 |
|---|---|
| Median Sale Price | $500,000 |
| Deeds and Mortgages on File | 43 |
| Median Price per Sqft | $268 |
| Owner Occupied | 55% |
| Median Annual Tax Bill | $10,360 |
| Median Year Built | 1953 |
| Median Ownership Tenure | 10 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,568 sqft · Built 1915 · 0.287 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,8922025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5,500 sqft · 0.502 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000Sep 1992 | $13,4092025 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,130 sqft · Built 1900 · 0.287 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2016 | $10,7062025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4,940 sqft · Built 1960 · 0.358 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Aug 2019 | $13,2502025 | Amount on Record Jan 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
5,112 sqft · Built 1968 · 0.358 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Oct 2008 | $16,2562025 | 1 Name on Record | AssessorUpdated Jul 2026 |
3,875 sqft · Built 1965 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Feb 2021 | $2,1202025 | Amount on Record Jul 2002 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
1,383 sqft · Built 1937 · 0.215 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $172,000Jul 2018 | $7,9632025 | —Jul 2018 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,210 sqft · Built 1930 · 0.215 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Jan 2007 | $9,0102025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,800 sqft · Built 1950 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Oct 2024 | $12,1262025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
392 sqft · Built 1950 · 0.071 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $100,000Jun 2021 | $2,3322025 | Amount on Record Oct 2008 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
7,650 sqft · Built 1965 · 0.573 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 1994 | $20,2742025 | 1 Name on Record | AssessorUpdated Jul 2026 |
0.229 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Feb 2025 | $2,2262025 | Amount on Record Aug 2014 | 1 Name on Record | AssessorUpdated Aug 2026 |
5,250 sqft · Built 1965 · 0.502 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Apr 2009 | $18,3662025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,863 sqft · Built 1935 · 0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Feb 2025 | $11,4822025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
8.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2023 | —Apr 2024 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
320,000 sqft · Built 2023 · 19.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,210Apr 2022 | $169,6002025 | Amount on Record — | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
2,025 sqft · Built 1987 · 0.215 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,0832025 | 1 Name on Record | AssessorUpdated Aug 2026 |
5,875 sqft · Built 1971 · 0.269 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,500Nov 2013 | $12,4552025 | Amount on Record Oct 1993 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,960 sqft · Built 2005 · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $269,825Nov 2022 | $10,5872025 | Amount on Record Sep 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,282 sqft · Built 1920 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $57,000Jun 1997 | $7,7442025 | 1 Name on Record | AssessorUpdated Aug 2026 |
2,072 sqft · Built 2005 · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Jul 2022 | $10,7252025 | Amount on Record Mar 2005 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,912 sqft · Built 1934 · 0.287 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Mar 2003 | $11,7322025 | 1 Name on Record | AssessorUpdated Jul 2026 |
2,056 sqft · Built 1925 · 0.215 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $120,000Apr 2014 | $11,3422025 | —Apr 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,668 sqft · Built 1930 · 0.071 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $149,900Apr 2002 | $9,6742025 | —Apr 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,696 sqft · Built 1925 · 0.157 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Sep 2002 | $10,4332025 | Amount on Record Aug 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,644 sqft · Built 1935 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,900Dec 2018 | $9,1052025 | Amount on Record Jan 2018 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
1,856 sqft · Built 1978 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $183,000Jun 2000 | $11,9042025 | 2 Names on Record | AssessorUpdated Jul 2026 |
1,584 sqft · Built 1910 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,0952025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,856 sqft · Built 1978 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $670,000Nov 2024 | $11,9042025 | Amount on Record May 2024 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,002 sqft · Built 1989 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $192,000Oct 2000 | $12,7262025 | Amount on Record Aug 1994 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,298 sqft · Built 1923 · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $81,000Jan 2000 | $8,9422025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,039 sqft · Built 1930 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,538Mar 2021 | $8,2212025 | Amount on Record Jan 2019 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,048 sqft · Built 1935 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,500Jul 2003 | $8,3212025 | Amount on Record Aug 1994 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,302 sqft · Built 1935 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $137,500Jun 1988 | $12,4172025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,518 sqft · Built 1930 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Apr 2016 | $10,2272025 | Amount on Record Oct 2010 | 2 Names on Record | AssessorUpdated Jul 2026 |
2,240 sqft · Built 1960 · 0.215 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Sep 2014 | $12,8392025 | Amount on Record Jan 2000 | 2 Names on Record | AssessorUpdated Jul 2026 |
1,170 sqft · Built 1972 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2011 | $10,3602025 | Amount on Record Jun 2009 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,792 sqft · Built 1968 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Jul 2024 | $11,3022025 | Amount on Record Jun 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,568 sqft · Built 2015 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $184,900Jun 2002 | $13,0892025 | Amount on Record Aug 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,244 sqft · Built 1900 · 0.215 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $110,000Jul 1991 | $8,0962025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,008 sqft · Built 1955 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $156,000Jun 2016 | $8,8662025 | Amount on Record Jan 2007 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,152 sqft · Built 1952 · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,450,000Mar 2017 | $10,3482025 | Amount on Record Nov 2007 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,176 sqft · Built 1955 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $254,000Oct 2017 | $9,1372025 | Amount on Record Apr 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
1,080 sqft · Built 1953 · 0.179 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $239,900Jun 2010 | $9,1802025 | Amount on Record Nov 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,240 sqft · Built 1953 · 0.249 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $233,000Jan 2016 | $9,7992025 | Amount on Record Aug 2003 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,170 sqft · Built 1950 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $102,500Sep 1998 | $9,5532025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
12,960 sqft · Built 2000 · 1.74 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500Jul 2020 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
6,328 sqft · Built 1965 · 5.95 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Jun 2025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
10,351 sqft · Built 1967 · 7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
13,536 sqft · Built 2002 · 2.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
7,952 sqft · Built 1951 · 0.669 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |