New York City property records for 37 units in 823 Classon Ave, Brooklyn, NY · Last verified September 2026
| Properties | 37 |
|---|---|
| Median Sale Price | $938,000 |
| Deeds and Mortgages on File | 49 |
| Median Price per Sqft | $1,402 |
| Owner Occupied | 22% |
| Median Annual Tax Bill | $3,146 |
| Median Year Built | 1925 |
| Median Ownership Tenure | 6 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #FAC Classon Ave |
4,154 sqft built 1925 · 0.149 acres | $1,170,000 Dec 2014 | $15,734 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS1 Classon Ave |
153 sqft built 2011 · 0.149 acres | $2,400,000 Oct 2017 | $596 2025 | Assessor + 3 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS2 Classon Ave |
153 sqft built 2011 · 0.149 acres | $938,000 Jan 2021 | $596 2025 | Assessor + 2 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS3 Classon Ave |
153 sqft built 2011 · 0.149 acres | $1,200,000 Oct 2020 | $596 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS4 Classon Ave |
153 sqft built 2011 · 0.149 acres | $20,000 Sep 2011 | $596 2025 | Assessor Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS5 Classon Ave |
153 sqft built 2011 · 0.149 acres | $625,000 Jul 2021 | $596 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS6 Classon Ave |
153 sqft built 2011 · 0.149 acres | $1,330,000 Dec 2021 | $596 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS7 Classon Ave |
153 sqft built 2011 · 0.149 acres | $30,000 Oct 2019 | $596 2025 | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS8 Classon Ave |
153 sqft built 2011 · 0.149 acres | $25,000 Dec 2022 | $596 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS9 Classon Ave |
153 sqft built 2011 · 0.149 acres | $2,950,000 Aug 2018 | $596 2025 | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS10 Classon Ave |
153 sqft built 2011 · 0.149 acres | $905,000 Aug 2026 | $808 2026 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS11 Classon Ave |
153 sqft built 2011 · 0.149 acres | $795,000 Aug 2024 | $596 2025 | Assessor + 2 Documents Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, #PS12 Classon Ave |
153 sqft built 2011 · 0.149 acres | $1,305,000 Mar 2021 | $596 2025 | Assessor + 2 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 2A Classon Ave |
1,045 sqft built 1925 · 0.149 acres | $630,000 Sep 2011 | $5,330 2025 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 2B Classon Ave |
635 sqft built 1925 · 0.149 acres | $680,000 Sep 2015 | $3,267 2025 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 2C Classon Ave |
1,381 sqft built 1925 · 0.149 acres | $343,500 Sep 2011 | $3,146 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 2D Classon Ave |
490 sqft built 1925 · 0.149 acres | $625,000 Jul 2021 | $2,537 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 2E Classon Ave |
611 sqft built 1925 · 0.149 acres | $608,000 Dec 2014 | $3,146 2025 | Assessor + 2 Documents Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 3A Classon Ave |
1,045 sqft built 1925 · 0.149 acres | $1,305,000 Mar 2021 | $5,330 2025 | Assessor + 2 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 3B Classon Ave |
635 sqft built 1925 · 0.149 acres | $362,500 Jun 2011 | $3,267 2025 | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 3C Classon Ave |
611 sqft built 1925 · 0.149 acres | $795,000 Aug 2024 | $3,146 2025 | Assessor + 2 Documents Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 3D Classon Ave |
490 sqft built 1925 · 0.149 acres | $606,000 Oct 2019 | $2,537 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 3E Classon Ave |
311 sqft built 1925 · 0.149 acres | $503,000 Sep 2013 | $3,146 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 4A Classon Ave |
845 sqft built 1925 · 0.149 acres | $925,000 Dec 2017 | $4,324 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 4B Classon Ave |
838 sqft built 1925 · 0.149 acres | $1,175,000 Jan 2025 | $4,288 2025 | Assessor Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 4C Classon Ave |
611 sqft built 1925 · 0.149 acres | $735,000 Oct 2019 | $3,146 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 4D Classon Ave |
1,100 sqft built 1925 · 0.149 acres | $1,195,000 Mar 2017 | $5,608 2025 | Assessor + 1 Document Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 5A Classon Ave |
845 sqft built 1925 · 0.149 acres | — Jan 2026 | $4,324 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 5B Classon Ave |
838 sqft built 1925 · 0.149 acres | $860,000 Apr 2021 | $4,288 2025 | Assessor + 3 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 5C Classon Ave |
611 sqft built 1925 · 0.149 acres | $853,000 Sep 2026 | $4,513 2026 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 5D Classon Ave |
1,100 sqft built 1925 · 0.149 acres | $1,330,000 Dec 2021 | $5,608 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 6A Classon Ave |
845 sqft built 1925 · 0.149 acres | $938,000 Jan 2021 | $4,324 2025 | Assessor + 3 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 6B Classon Ave |
838 sqft built 1925 · 0.149 acres | $488,000 May 2011 | $4,288 2025 | Assessor + 1 Document Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 6C Classon Ave |
611 sqft built 1925 · 0.149 acres | $905,000 Aug 2026 | $4,513 2026 | Assessor + 5 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 6D Classon Ave |
1,100 sqft built 1925 · 0.149 acres | $1,200,000 Oct 2020 | $5,608 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 7A Classon Ave |
1,464 sqft built 1925 · 0.149 acres | $11,957 2025 | Assessor + 3 Documents Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
823, Apt 7B Classon Ave |
1,381 sqft built 1925 · 0.149 acres | $945,000 Nov 2011 | $11,142 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |