Serious concerns
Go in with your eyes open
100
out of 100
Heavier than 57% of buildings in Park Slope
100 open hazardous violations, against a typical 2 nearby. On the other hand, the building’s age and size suggest rent stabilization.
638 WARREN STREET · 8 apartments · built 1920 · records to 2026-09-18
In its favor
- The building’s age and size suggest rent stabilization
- 2/3/4/5/B/D/N/Q/R train about 6 minutes away
Against it
- 100 open hazardous violations, against a typical 2 nearby
- Fixes only 0% of violations by the city’s deadline
Open and hazardous
100 violations the city still lists as unresolved
100 of them are past the correction deadline HPD set, by a median of 18 years.
- Fire & life safety20
- Other19
- Disrepair18
- Paint / plaster12
- Lead paint12
- Structural7
- Water leak3
- Heat / hot water2
- Electrical2
- Plumbing2
- Mold1
- Refuse / sanitation1
- Pests1
A typical building of 6 to 19 apartments has 2. This one has more than 99% of them.
The oldest shown was issued 1991-12-17 and remains open on HPD’s records.