Paper-prepared
850 St Marks Avenue
Brooklyn · Co-op
Co-op
Type
54
Units
1926
Year built
Brooklyn
Borough
D4 · Elevator Cooperative
Public records
What we know about 850 St Marks Avenue
Sales (5yr)
7
Median price
$350K
Avg price per square foot
$515
Last sale
May 2026
Open violations
83
Violations (5yr)
61
Permits (5yr)
5
Latest Nov 2025
Energy Star
79 · 2024
Last C of O
Not available
Recent closed sales
| Date | Unit | Beds / Baths | SF | Price |
|---|---|---|---|---|
| May 2026 | Not available | Not available | Not available | $500,000 |
| Dec 2025 | 2J | 1 / 1 | 680 | $350,000 |
| Dec 2025 | 3A | 1 / 1 | Not available | $350,000 |
| Dec 2025 | Not available | Not available | Not available | $350,000 |
| Mar 2024 | 4H | 2 / 1 | Not available | $425,000 |
Source: NYC ACRIS · public record