Westchester County, Rye Town and Harrison Town property records for 46 addresses on Union Ave, Mamaroneck, NY · Last verified August 2026
| Properties | 46 |
|---|---|
| Median Sale Price | $810,000 |
| Deeds and Mortgages on File | 42 |
| Median Price per Sqft | $347 |
| Owner Occupied | 76% |
| Median Annual Tax Bill | $15,936 |
| Median Year Built | 1915 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 1.5 ba · 1,368 sqft · built 1920 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Oct 2025 | $12,1992025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
5 bd · 2.5 ba · 2,352 sqft · built 1975 · 0.12 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,2322025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
4 bd · 2.5 ba · 1,677 sqft · built 1925 · 0.184 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Jan 2017 | $19,5172025 | Amount on Record Sep 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
10 bd · 5 ba · 4,212 sqft · built 1900 · 0.574 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,6392025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2 ba · 2,430 sqft · built 1925 · 0.236 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,4822025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
4 bd · 1.5 ba · 1,631 sqft · built 1900 · 0.323 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $810,000Aug 2022 | $15,1812025 | Amount on Record Nov 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2026 |
4 bd · 3 ba · 3,334 sqft · built 1929 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Aug 2020 | $24,1662025 | Amount on Record Aug 2011 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
3 bd · 3 ba · 4,352 sqft · built 1856 · 0.627 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $991,000Sep 2022 | $24,2632025 | 2 Names on Record | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2.5 ba · 1,845 sqft · built 1942 · 0.386 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,4082025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
5 bd · 3 ba · 2,292 sqft · built 1865 · 0.232 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $572,500Feb 2010 | $15,2942025 | Amount on Record Mar 1999 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
8 bd · 3 ba · 3,300 sqft · built 1925 · 0.516 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $25,2392025 | 1 Name on Record | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,938 sqft · built 1920 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,8142025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
7 bd · 3 ba · 2,844 sqft · built 1900 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,1292025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2.5 ba · 1,617 sqft · built 1966 · 0.295 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,040,000May 2025 | $13,2312025 | Amount on Record Nov 2021 | 2 Names on Record | Assessor + 1 DocumentUpdated May 2026 |
4 bd · 2.5 ba · 3,137 sqft · built 1880 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $689,000Jan 2020 | $17,0022025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
11.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $43,7382025 | 1 Name on Record | AssessorUpdated May 2026 |
5 bd · 2 ba · 2,376 sqft · built 1925 · 0.295 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Mar 2023 | $15,0442025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2.5 ba · 3,075 sqft · built 1915 · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,1132025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 1.5 ba · 1,932 sqft · built 1890 · 0.295 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,9722025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
3 bd · 3 ba · 1,752 sqft · built 1900 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $508,000Sep 2013 | $13,0772025 | Amount on Record Oct 1996 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,321 sqft · built 1925 · 0.291 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,4362025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
3 bd · 3 ba · 1,898 sqft · built 1900 · 0.221 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Jun 2016 | $15,8142025 | Amount on Record May 2000 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2026 |
3 bd · 2.5 ba · 2,072 sqft · built 1865 · 0.24 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Aug 2007 | $16,4562025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
6 bd · 5 ba · 4,012 sqft · built 2008 · 0.588 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $784,000Aug 2005 | $29,9502025 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2026 |
3 bd · 2 ba · 1,879 sqft · built 2010 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $930,000Feb 2026 | $17,0732025 | 1 Name on Record | AssessorUpdated Jul 2026 |
7 bd · 3.5 ba · 4,530 sqft · built 1870 · 0.578 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $25,2572025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
4 bd · 2 ba · 2,124 sqft · built 1900 · 0.301 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,7742025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
3 bd · 2.5 ba · 1,766 sqft · built 1925 · 0.204 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,0652025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
4 bd · 2.5 ba · 2,250 sqft · built 1900 · 0.284 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000May 2016 | $20,1972025 | Amount on Record Aug 2000 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2026 |
3 bd · 2 ba · 1,428 sqft · built 1880 · 0.136 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,3052025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
8 bd · 4 ba · 3,540 sqft · built 1856 · 0.436 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Jan 2007 | $22,9802025 | Amount on Record May 2000 | 1 Name on Record Owner Occupied | AssessorUpdated May 2026 |
4 bd · 3 ba · 2,348 sqft · built 1905 · 0.418 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000May 2019 | $16,3602025 | Amount on Record Jul 1998 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2026 |
3 bd · 2.5 ba · 1,680 sqft · built 1880 · 0.135 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,1782025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
4 bd · 2.5 ba · 2,470 sqft · built 1962 · 0.125 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,7022025 | 2 Names on Record | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 3,086 sqft · built 1875 · 0.148 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Jun 2026 | $14,1302025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
6 bd · 3.5 ba · 2,299 sqft · built 1880 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $799,000Dec 2021 | $15,9362025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
4 bd · 2 ba · 2,258 sqft · built 1962 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Aug 2014 | $14,0232025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 2.5 ba · 2,431 sqft · built 1925 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Oct 1997 | $16,3062025 | 2 Names on Record | AssessorUpdated May 2026 |
4 bd · 2 ba · 2,232 sqft · built 1960 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $230,000Nov 1995 | $14,6162025 | 1 Name on Record | AssessorUpdated May 2026 |
4 bd · 2 ba · 2,907 sqft · built 1910 · 0.559 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,5142025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2.5 ba · 1,490 sqft · built 1920 · 0.296 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,8312025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
5 bd · 3 ba · 2,286 sqft · built 1910 · 0.163 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,4572025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,914 sqft · built 1930 · 0.249 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,9332025 | 2 Names on Record | AssessorUpdated May 2026 |
5 bd · 3.5 ba · 2,636 sqft · built 1910 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Jul 2025 | $14,7742025 | Amount on Record Aug 2017 | 1 Name on Record | Assessor + 3 DocumentsUpdated May 2026 |
4 bd · 3 ba · 1,812 sqft · built 1953 · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,2682025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |
3 bd · 2.5 ba · 1,794 sqft · built 1953 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,6422025 | 2 Names on Record Owner Occupied | AssessorUpdated May 2026 |