Morris County and Hanover Township property records for 31 addresses on Washington Ave, Whippany, NJ · Last verified October 2026
| Properties | 31 |
|---|---|
| Median Sale Price | $425,000 |
| Deeds and Mortgages on File | 37 |
| Median Price per Sqft | $331 |
| Owner Occupied | 94% |
| Median Annual Tax Bill | $7,905 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 13 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 Washington Ave |
2,526 sqft built 1979 · 0.371 acres | $75,000 Mar 2014 | $9,111 2024 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Washington Ave |
1,928 sqft built 1978 · 0.296 acres | $330,000 Oct 2000 | $7,633 2024 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, #11 Washington Ave |
1,412 sqft built 1939 · 0.287 acres | — Oct 1993 | $7,420 2024 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Washington Ave |
1,928 sqft built 1979 · 0.183 acres | $389,900 Sep 2003 | $7,848 2024 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 Washington Ave |
1,752 sqft built 1972 · 0.171 acres | $7,523 2024 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Washington Ave |
1,783 sqft built 1950 · 0.458 acres | $505,000 Sep 2004 | $9,897 2024 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 Washington Ave |
1,552 sqft built 1984 · 0.171 acres | $229,900 Jun 1995 | $7,962 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Washington Ave |
1,956 sqft built 1948 · 0.23 acres | $6,929 2024 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Washington Ave |
1,848 sqft built 1975 · 1.64 acres | $529,000 Aug 2017 | $8,586 2024 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Washington Ave |
3,971 sqft built 2014 · 0.573 acres | $285,000 Oct 2013 | $17,336 2024 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Washington Ave |
1,144 sqft built 1955 · 0.23 acres | $400,000 Jul 2025 | $6,940 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 Washington Ave |
1,747 sqft built 1955 · 0.23 acres | $425,000 May 2021 | $7,123 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Washington Ave |
2,052 sqft built 1950 · 0.171 acres | $839,900 Jul 2026 | $9,018 2024 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Washington Ave |
1,416 sqft built 1997 · 0.23 acres | $8,438 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Washington Ave |
1,070 sqft built 1950 · 0.171 acres | $290,000 Jun 2013 | $6,510 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Washington Ave |
1,856 sqft built 1936 · 0.23 acres | $353,000 Oct 2004 | $7,905 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
33 Washington Ave |
1,976 sqft built 1956 · 0.742 acres | $9,429 2024 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 Washington Ave |
3,234 sqft built 1936 · 0.257 acres | $300,000 May 2017 | $11,921 2024 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Washington Ave |
2,041 sqft built 1949 · 0.68 acres | $260,000 Aug 2001 | $7,374 2024 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Washington Ave |
2,296 sqft built 1949 · 0.614 acres | $413,000 May 2004 | $8,112 2024 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
42 Washington Ave |
1,944 sqft built 1951 · 0.23 acres | $9,391 2024 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44, #46 Washington Ave |
0.458 acres | $4,174 2024 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
48 Washington Ave |
1,120 sqft built 1957 · 0.23 acres | $371,000 Jan 2017 | $6,379 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Washington Ave |
4,400 sqft built 2013 · 0.555 acres | $865,000 Aug 2014 | $17,368 2024 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 Washington Ave |
1,984 sqft built 1955 · 0.344 acres | $187,500 Sep 1996 | $8,306 2024 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Washington Ave |
1,108 sqft built 1950 · 0.492 acres | $865,000 Sep 2014 | $6,219 2024 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
52 Washington Ave |
1,458 sqft built 1949 · 0.344 acres | $415,000 Aug 2013 | $7,414 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54 Washington Ave |
2,228 sqft built 1945 · 0.458 acres | $262,500 Dec 2000 | $8,244 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Washington Ave |
1,300 sqft built 1956 · 0.428 acres | $405,000 Jun 2017 | $6,276 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
56 Washington Ave |
1,684 sqft built 1960 · 0.23 acres | $415,000 Apr 2010 | $8,259 2024 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Washington Ave |
1,300 sqft built 1956 · 0.526 acres | $250,000 Apr 1996 | $7,802 2024 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |