Montgomery County and Amsterdam City property records for 13 addresses on William St, Amsterdam, NY · Last verified October 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $78,500 |
| Deeds and Mortgages on File | 11 |
| Median Price per Sqft | $27 |
| Owner Occupied | 15% |
| Median Annual Tax Bill | $1,402 |
| Median Year Built | 1880 |
| Median Ownership Tenure | 5 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 William St |
3 bd · 3 ba · 2,709 sqft built 1880 · 0.059 acres | $123,500 Dec 2023 | $1,402 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 William St |
2 bd · 2 ba · 1,970 sqft built 1880 · 0.061 acres | $123,500 Dec 2023 | $1,402 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 William St |
4 bd · 2 ba · 1,708 sqft built 1890 · 0.081 acres | $20,000 Jun 2019 | $1,302 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 William St |
4 bd · 1.5 ba · 1,484 sqft built 1900 · 0.127 acres | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 William St |
6 bd · 2 ba · 2,198 sqft built 1880 · 0.066 acres | $5,500 Nov 2021 | $50 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17, #19 William St |
0.122 acres | $60 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 William St |
6 bd · 2 ba · 2,466 sqft built 1870 · 0.104 acres | $67,705 Sep 2011 | $1,753 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21, #23 William St |
5 bd · 4 ba · 3,806 sqft built 1880 · 0.14 acres | $2,504 2026 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 William St |
5 bd · 2.5 ba · 3,900 sqft built 1870 · 0.157 acres | $78,500 Mar 2008 | $1,908 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 William St |
7 bd · 2 ba · 2,818 sqft built 1880 · 0.127 acres | $16,500 May 2008 | $1,502 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 William St |
6 bd · 2 ba · 2,416 sqft built 1900 · 0.102 acres | $401 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 William St |
3 bd · 2 ba · 2,474 sqft built 1880 · 0.127 acres | $1,001 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30, #32 William St |
6,048 sqft built 1970 · 0.083 acres | $210,000 Dec 2023 | $2,003 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |