Schenectady County and Niskayuna Town property records for 43 addresses on Union St, Niskayuna, NY · Last verified August 2026
| Properties | 43 |
|---|---|
| Median Sale Price | $215,000 |
| Deeds and Mortgages on File | 53 |
| Median Price per Sqft | $107 |
| Owner Occupied | 77% |
| Median Annual Tax Bill | $10,193 |
| Median Year Built | 1930 |
| Median Ownership Tenure | 10 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1,986 sqft · built 1968 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $224,900May 2015 | $8,4212025 | Amount on Record — | Owner on Record | Assessor + 1 DocumentUpdated Apr 2026 |
3,069 sqft · built 1974 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000Jul 2000 | $8,9562025 | Owner on Record | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 2 ba · 1,863 sqft · built 1948 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Aug 2020 | $8,9562025 | Amount on Record Apr 2004 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1 ba · 1,636 sqft · built 1943 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,1182025 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
2,512 sqft · built 1889 · 0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1262025 | Owner on Record | AssessorUpdated Apr 2026 |
4 bd · 2 ba · 2,030 sqft · built 1950 · 0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $234,900Nov 2005 | $11,1642025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 1.5 ba · 2,396 sqft · built 1905 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $92,900Apr 2017 | $10,0892025 | Amount on Record Nov 2016 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 1 ba · 1,740 sqft · built 1930 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,660Nov 2002 | $9,2652025 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
3 bd · 1.5 ba · 1,853 sqft · built 1912 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,8392025 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
6 bd · 3 ba · 3,308 sqft · built 1906 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $211,000Jun 2020 | $11,6052025 | Amount on Record Jan 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Apr 2026 |
3 bd · 1.5 ba · 1,748 sqft · built 1930 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Nov 2023 | $8,7362025 | Amount on Record Nov 2022 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 2 ba · 2,282 sqft · built 1915 · 0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,1772025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1.5 ba · 2,134 sqft · built 1917 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,8392025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
7 bd · 2 ba · 2,941 sqft · built 1920 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $67,900Jun 2001 | $11,2902025 | Amount on Record Feb 2000 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1.5 ba · 2,484 sqft · built 1906 · 0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $235,000Nov 2014 | $9,6192025 | Amount on Record Mar 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
6 bd · 2.5 ba · 2,996 sqft · built 1907 · 1.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Aug 2000 | $17,4772025 | Owner on Record Owner Occupied | AssessorUpdated Apr 2026 |
3 bd · 3.5 ba · 1,760 sqft · built 1975 · 0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Sep 2025 | $10,1932025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 2.5 ba · 1,740 sqft · built 1980 · 0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $232,000Sep 2019 | $9,1772025 | Amount on Record Oct 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
5 bd · 4 ba · 3,576 sqft · built 1880 · 2.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Dec 2001 | $30,6282025 | Amount on Record May 1999 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
4 bd · 2.5 ba · 2,043 sqft · built 1880 · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $252,000Mar 2019 | $10,5022025 | Amount on Record Mar 2018 | Owner on Record Owner Occupied | Assessor + 5 DocumentsUpdated Apr 2026 |
4 bd · 2.5 ba · 2,478 sqft · built 1903 · 1.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000May 2017 | $14,6522025 | Amount on Record Jun 2003 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 3.5 ba · 3,554 sqft · built 1920 · 0.569 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,7862025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
5 bd · 3.5 ba · 3,540 sqft · built 1910 · 1.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Aug 2015 | $16,2412025 | Amount on Record Feb 1998 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
4,788 sqft · built 1958 · 1.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1262025 | Owner on Record | AssessorUpdated Apr 2026 |
3 bd · 3 ba · 2,500 sqft · built 1914 · 0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $65,000Oct 2024 | $12,3322025 | Amount on Record Jun 2022 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 2,617 sqft · built 1950 · 1.8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $65,000Oct 2024 | $9,8392025 | Amount on Record Sep 2024 | Owner on Record | Assessor + 2 DocumentsUpdated Apr 2026 |
4 bd · 3 ba · 2,147 sqft · built 1950 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $253,000Dec 2008 | $10,6292025 | Amount on Record Jun 2000 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
3 bd · 1.5 ba · 1,729 sqft · built 1937 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $121,500Sep 2000 | $10,4052025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 2.5 ba · 2,171 sqft · built 1916 · 0.489 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Nov 2024 | $8,4852025 | Amount on Record Aug 2023 | Owner on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 1,992 sqft · built 1937 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Apr 2023 | $10,7182025 | Amount on Record May 2021 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Apr 2026 |
2 bd · 1 ba · 1,190 sqft · built 1952 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Sep 2024 | $7,0542025 | Amount on Record Nov 2016 | 2 Owners on Record | AssessorUpdated Apr 2026 |
3 bd · 2.5 ba · 2,480 sqft · built 1922 · 0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000Mar 2021 | $13,7572025 | Amount on Record Jul 1997 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
8,997 sqft · built 1975 · 2.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $621,000Nov 2013 | $9522025 | Owner on Record | AssessorUpdated Apr 2026 |
19,692 sqft · built 1960 · 10.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,2692025 | Owner on Record | AssessorUpdated Apr 2026 |
16,996 sqft · built 1970 · 6.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6352025 | Owner on Record | AssessorUpdated Apr 2026 |
3 bd · 3.5 ba · 4,172 sqft · built 1929 · 1.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,5922025 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
5 bd · 3.5 ba · 3,198 sqft · built 1930 · 1.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1.5 ba · 1,671 sqft · built 1945 · 1.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $194,500Aug 2014 | $9,3682025 | Amount on Record Jun 2002 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 2 ba · 2,423 sqft · built 1921 · 2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $315,000Sep 2013 | $14,2252025 | 2 Owners on Record Owner Occupied | AssessorUpdated Apr 2026 |
5 bd · 2 ba · 3,160 sqft · built 1888 · 2.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $378,000Apr 2017 | $13,1832025 | —Jul 2013 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
4 bd · 2.5 ba · 2,966 sqft · built 1906 · 1.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $299,000Jul 2011 | $14,5342025 | Amount on Record Feb 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 2.5 ba · 1,832 sqft · built 1930 · 0.969 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $105,000Mar 2016 | $12,4592025 | Amount on Record Oct 2015 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,873 sqft · built 1933 · 0.819 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jul 2005 | $12,6792025 | Amount on Record Jul 2002 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |