Suffolk County and Babylon Town property records for 10 addresses on William St, Amityville, NY · Last verified September 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $465,000 |
| Deeds and Mortgages on File | 10 |
| Median Price per Sqft | $131 |
| Owner Occupied | 80% |
| Median Annual Tax Bill | $7,600 |
| Median Year Built | 1933 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 William St |
2.5 ba · 1,946 sqft built 1933 · 0.12 acres | $10,049 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 William St |
2 ba · 1,416 sqft built 1952 · 0.114 acres | $185,500 Sep 2016 | $7,600 2024 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 William St |
1 ba · 1,308 sqft built 1905 · 0.172 acres | $119,000 Oct 1999 | $4,573 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 William St |
2 ba · 1,547 sqft built 1913 · 0.213 acres | $495,000 May 2022 | $7,625 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 William St |
2 ba · 1,600 sqft built 1909 · 0.223 acres | $4,923 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 William St |
1 ba · 1,335 sqft 0.344 acres | $6,925 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 William St |
1 ba · 1,405 sqft 0.213 acres | $315,000 Sep 2016 | $7,591 2024 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 William St |
1 ba · 1,464 sqft built 1885 · 0.206 acres | $2,942 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 William St |
12,507 sqft built 2015 · 1.1 acres | $465,000 Mar 2014 | $29,313 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
38 William St |
12,200 sqft built 1956 · 0.592 acres | $905,000 Oct 2010 | $37,824 2024 | Assessor Updated Aug 2026 | Owner on File |