Is 331 Keap St rent stabilized?
331 Keap St is a registered NYC rent-stabilized building in Williamsburg, Brooklyn (11211). It has about 36 apartments, built in 1915.
Also written as 331 Keap Street — or 331 Keap St, Brooklyn, NY 11211.
How this building compares
With about 36 apartments it is larger than 83% of the 620 rent-stabilized buildings this site tracks in Williamsburg. Its 1915 construction date sits close to the 1915 median for stabilized buildings tracked in the neighborhood. HPD lists 35 open violations here, about 1.0 per apartment — above the one for every 10 apartments median for tracked buildings in the neighborhood. Of the 246 violations on record at the address, 46 are class C — HPD's immediately hazardous grade. Tenants have filed 370 HPD complaints at the address, 25 of them in the last twelve months.
Building details
| Borough | Brooklyn |
| Neighborhood | Williamsburg |
| ZIP | 11211 |
| Year built | 1915 |
| Apartments | 36 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3024490016 |
Owner & management
| Owner | Keap 331 LLC 101 Broadway #Floor · Brooklyn, NY 11249 |
| Managing agent | Abe Friedman |
Building conditions
| HPD violations | 35 open / 246 total · 35 in last 12 mo |
| HPD complaints | 6 open / 370 total |
| HPD registration last filed | November 13, 2025 |