Union County and Mountainside Borough property records for 15 addresses on Sheffield St, Mountainside, NJ · Last verified July 2026
| Properties | 15 |
|---|---|
| Median Sale Price | $2,625,000 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $164 |
| Owner Occupied | 7% |
| Median Annual Tax Bill | $61,110 |
| Median Year Built | 1956 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
103,000 sqft · built 1971 · 5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,182,200Jun 2008 | $230,8322025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.98 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $29,4002025 | 2 Names on Record | AssessorUpdated Jul 2026 |
0.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,7232025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4.03 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $107,1002025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1.73 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 1991 | $63,0002025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000Sep 2018 | $42,3822025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
16,072 sqft · built 1956 · 2.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,650,000Apr 2003 | $55,3882025 | Amount on Record Jul 1997 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 1996 | $62,7902025 | 2 Names on Record | AssessorUpdated Jul 2026 |
5.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,625,000Nov 1993 | $216,0902025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
28,800 sqft · built 1956 · 3.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,200,000Aug 2022 | $61,1102025 | Amount on Record May 2006 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
2.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $50,1902025 | 1 Name on Record | AssessorUpdated Jul 2026 |
5.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000Apr 2013 | $122,7772025 | —Apr 2013 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
1.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Apr 1994 | $30,5552025 | 2 Names on Record | AssessorUpdated Jul 2026 |
1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $34,4402025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,700,000Jun 2000 | $65,1002025 | 1 Name on Record | AssessorUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |