Union County and Mountainside Borough property records for 38 addresses on Stony Brook Ln, Mountainside, NJ · Last verified August 2026
| Properties | 38 |
|---|---|
| Median Sale Price | $650,000 |
| Deeds and Mortgages on File | 25 |
| Median Price per Sqft | $391 |
| Owner Occupied | 97% |
| Median Annual Tax Bill | $10,905 |
| Median Year Built | 1952 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,623 sqft · built 1954 · 0.328 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $449,000May 2019 | $10,0132025 | Amount on Record Feb 1992 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,620 sqft · built 1956 · 0.337 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,9922025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,054 sqft · built 1952 · 0.287 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Dec 1993 | $9,9332025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,524 sqft · built 1952 · 0.271 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Aug 2020 | $11,7622025 | Amount on Record May 2000 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,003 sqft · built 1952 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Aug 2002 | $10,0972025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,670 sqft · built 1952 · 0.376 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $445,000Aug 2015 | $16,4662025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,836 sqft · built 1951 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Feb 2003 | $11,2142025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,284 sqft · built 1952 · 0.244 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,9812025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,386 sqft · built 1940 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2024 | $13,2912025 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,958 sqft · built 1952 · 0.262 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $909,000Apr 2022 | $13,0072025 | Amount on Record Jan 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3,294 sqft · built 1950 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $745,000Dec 2009 | $15,8992025 | Amount on Record Feb 2002 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,921 sqft · built 1952 · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000May 2013 | $11,1892025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,738 sqft · built 1950 · 0.287 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Aug 2021 | $11,1492025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,948 sqft · built 1950 · 0.312 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $267,000Nov 1999 | $14,4102025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,470 sqft · built 1955 · 0.317 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $665,000Jan 2025 | $9,3642025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,578 sqft · built 1943 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Jul 2002 | $9,7612025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,795 sqft · built 1951 · 0.317 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,5632025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,631 sqft · built 1948 · 0.226 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Jun 2021 | $9,8572025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,964 sqft · built 1957 · 0.232 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000May 1999 | $14,4962025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,088 sqft · built 1952 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,5932025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,608 sqft · built 1950 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $549,000Nov 2018 | $12,2182025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,796 sqft · built 1957 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $160,000Aug 1985 | $9,7402025 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2,537 sqft · built 1952 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000May 2013 | $12,1722025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,297 sqft · built 1952 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 1970 | $10,0912025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,716 sqft · built 1950 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Oct 2012 | $10,6452025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,006 sqft · built 1954 · 0.303 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Apr 2003 | $10,9052025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,706 sqft · built 1950 · 0.246 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $438,000Aug 2015 | $10,2022025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,743 sqft · built 1952 · 0.475 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Oct 2021 | $12,7112025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,159 sqft · built 1952 · 0.317 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Nov 1988 | $10,9522025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,623 sqft · built 1947 · 0.544 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2006 | $12,9742025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,449 sqft · built 1952 · 0.376 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,000Jul 1998 | $9,3492025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,152 sqft · built 1957 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $282,309Sep 2011 | $10,5082025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,592 sqft · built 1952 · 0.255 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Aug 2015 | $9,9962025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1,538 sqft · built 1957 · 0.557 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,200May 2019 | $9,9312025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1,772 sqft · built 1952 · 0.378 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000May 1986 | $10,3612025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,576 sqft · built 1952 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $255,000May 1996 | $9,7042025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
2,639 sqft · built 1975 · 0.273 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $611,000May 2004 | $12,5902025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2,285 sqft · built 1950 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $499,000Aug 2003 | $12,5692025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |