Bergen County and Mahwah Township property records for 16 addresses on Mountain Ave, Mahwah, NJ · Last verified October 2026
| Properties | 16 |
|---|---|
| Median Sale Price | $795,933 |
| Deeds and Mortgages on File | 30 |
| Median Price per Sqft | $305 |
| Owner Occupied | 81% |
| Median Annual Tax Bill | $10,750 |
| Median Year Built | 2014 |
| Median Ownership Tenure | 8 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
2 Mountain Ave |
2,652 sqft built 2017 · 0.136 acres | $680,000 Aug 2018 | $11,356 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Mountain Ave |
1,344 sqft built 1948 · 0.135 acres | $410,000 May 2021 | $7,949 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 Mountain Ave |
2,657 sqft built 2017 · 0.135 acres | $870,000 Jun 2022 | $11,275 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Mountain Ave |
2,544 sqft built 2009 · 0.134 acres | — Nov 2011 | $8,557 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 Mountain Ave |
1,872 sqft built 1970 · 0.134 acres | $447,500 Sep 2016 | $6,917 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 Mountain Ave |
1,224 sqft built 1950 · 0.133 acres | $367,057 Aug 2004 | $5,988 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Mountain Ave |
1,535 sqft built 1982 · 0.133 acres | $465,000 Jan 2014 | $7,081 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Mountain Ave |
1,768 sqft built 1970 · 0.132 acres | $420,000 Sep 2015 | $6,938 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 Mountain Ave |
3,762 sqft built 1957 · 0.272 acres | $830,000 Jul 1967 | $22,370 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 Mountain Ave |
1,706 sqft built 2014 · 0.132 acres | $163,000 Sep 2014 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Mountain Ave |
2,254 sqft built 2022 · 0.126 acres | $430,000 Apr 2020 | $12,317 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Mountain Ave |
2,384 sqft built 2017 · 0.132 acres | $622,500 Jun 2018 | $10,750 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Mountain Ave |
2,254 sqft built 2022 · 0.132 acres | $795,933 May 2023 | $12,317 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Mountain Ave |
3,006 sqft built 2023 · 0.132 acres | $903,000 Mar 2025 | $13,149 2025 | Assessor + 4 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Mountain Ave |
3,006 sqft built 2023 · 0.132 acres | $900,000 Feb 2025 | $13,149 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Mountain Ave |
2,394 sqft built 2007 · 0.292 acres | $765,000 Aug 2021 | $10,490 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |