Serious concerns
Go in with your eyes open
70
out of 100
Heavier than 90% of buildings in Park Slope
43 open hazardous violations, against a typical 0 nearby.
451 SIXTH AVENUE · 3 apartments · built 1899 · records to 2026-09-18
In its favor
- Nothing notable in the record.
Against it
- 43 open hazardous violations, against a typical 0 nearby
- Fixes only 0% of violations by the city’s deadline
Open and hazardous
43 violations the city still lists as unresolved
43 of them are past the correction deadline HPD set, by a median of 18 years.
- Other16
- Paint / plaster11
- Disrepair5
- Electrical3
- Structural2
- Refuse / sanitation2
- Plumbing2
- Fire & life safety1
- Pests1
A typical building under 6 apartments has 0. This one has more than 98% of them.
The oldest shown was issued 2002-10-29 and remains open on HPD’s records.