Printed 2026-10-20 from blueflo.tech/b/400-west-151-street-manhattan, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).
built 1898 · 5 stories · 10 apartments · BIN 1061584 · BBL 1020650042
- 23 open immediately hazardous (class C) HPD violations about pests and fire safety and walls, floors and stairs and mold
- 281 open HPD violations about building conditions
- In the Hamilton Heights / Sugar Hill Northwest Historic District: exterior changes need Landmarks Commission approval
- Water service line on record as non-lead (field inspection)
- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding
HDFC
Also reported
2024 – 2026- Mold2 reports20242025Mold · May 2025 · 1 report (2 complaints)May 28, 2025May 30, 20252026Mold · Sep 2026 · 1 report (1 complaint)Sep 27, 2026
- Pests2 reports20242025Pests · May 2025 · 1 report (1 complaint)May 28, 20252026Pests · Mar 2026 · 1 report (1 complaint)Mar 23, 2026
- Leaks2 reports202420252026Leaks · Mar 2026 · 1 report (1 complaint)Mar 23, 2026Leaks · Sep 2026 · 1 report (1 complaint)Sep 27, 2026
- Paint or plaster3 reports20242025Paint or plaster · May 2025 · 1 report (1 complaint)May 28, 20252026Paint or plaster · Mar 2026 · 1 report (2 complaints)Mar 23, 2026Mar 23, 2026 (2nd)Paint or plaster · Sep 2026 · 1 report (3 complaints)Sep 27, 2026Oct 1, 2026Oct 1, 2026 (2nd)
Show 2 more: Doors or windows, General repairs
- Doors or windows2 reports20242025Doors or windows · May 2025 · 1 report (2 complaints)May 28, 2025May 28, 2025 (2nd)2026Doors or windows · Oct 2026 · 1 report (2 complaints)Oct 1, 2026Oct 1, 2026 (2nd)
- General repairs2 reports202420252026General repairs · Mar 2026 · 1 report (1 complaint)Mar 23, 2026General repairs · Oct 2026 · 1 report (1 complaint)Oct 1, 2026
A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.
Apartments named in these records
6 of this building’s 10 apartments are named in a city record. The rest have no record naming them, which is the usual case.
These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.
Fire and safety
Issues on recordStructure and facade
Issues on recordShow 9 more
In the Hamilton Heights / Sugar Hill Northwest Historic District
- Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
- Sidewalk shed and scaffoldingfoundNo active shed permit
Heat and hot water
Issues on record · 3 complaints, 2025–2026 · 1 in the past yearBoiler burning No. 2 oil (H.B. Smith, 19-S-7 H.B. SMITH, 19-S-7), registration expired since Feb 1996
Latest accepted inspection Apr 2026, defects reported: yes
What this counts
Accepted annual boiler inspection filings, any date
Latest boiler work permit 1997
What this counts
DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age
1 heat or hot water complaint
What this counts
HPD complaints, heat season 2025–26 (Oct 1–May 31)
Water and pipes
Issues on record · 2 complaints, 2026Non-Lead (field inspection)
Pests and cleanliness
5 complaints, 2025–2026 · 2 in the past yearElectrical
Issues on record · 1 complaint, 2026Flooding
No issues on recordOutside FEMA's 1% annual-chance flood zone: X
What this counts
Effective FIRM zones touching the building footprint
Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)
What this counts
Mapped ponding touching the building footprint
Above grade
Gas
Open violation for not filing the periodic gas piping inspection (2025)
What this counts
Paperwork violation: the filing is missing, which is not a finding about the pipes
General condition and all records
286 open: 281 about building conditions — walls, floors and stairs (94), fire safety (47), leaks (42), electrical (25); 23 immediately hazardous (class C), 5 about paperwork or notices. Also 42 older records from 1977–2014 never closed. 4 further violations from 2023–2026 were closed. 378 violations on record in all, 1977–2026 — the 332 most recent are listed here
Show 21 more
What this counts
Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify
5 open: 2 about building conditions, 3 about filings or paperwork
What this counts
Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major
7 safety, 6 paint or plaster, 4 doors or windows, 3 heat or hot water, 3 mold, 2 floors or stairs, 2 general repairs, 2 leaks, 2 pests, 1 electrical, 1 outside the building
What this counts
HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years
7 permits since 1990
What this counts
DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds
Show 6 more
Nothing on record
- Rent stabilizationno recordNot on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment
- Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
- Elevatorsnot requiredNo elevators registered to this building
Sources
23 datasetsFEMA
- FEMA National Flood Hazard Layer2026-10-19
- OpenFEMA NFIP Redacted Claims (v3)2026-09-09
NYC DCP
- NYC GeoSearch (address directory)2026-10-19
- PLUTO (tax lot data)2026-08-24
NYC DEP
NYC DEP / Mayor's Office
- NYC Stormwater Flood Maps2024-07-03
NYC DOB
- DOB NOW Elevator Safety Compliance2026-10-18
- DOB NOW: Build – Approved Permits2026-10-17
- DOB NOW: Safety Boiler2026-10-17
- DOB NOW: Safety – Facades Compliance Filings2026-10-18
- DOB Permit Issuance (BIS)2026-10-19
- DOB Safety Violations2026-10-18
- DOB Violations2026-10-18
NYC DOB / Mayor's Office
NYC HPD
- Buildings Subject to HPD Jurisdiction2026-08-12
- Housing Maintenance Code Complaints and Problems2026-10-19
- Housing Maintenance Code Violations2026-10-19
- Multiple Dwelling Registrations2026-08-12
- Registration Contacts2026-08-12
NYC OTI
- AddressPoint2026-07-07
- Building Footprints2026-10-11
NYC Rent Guidelines Board / NYS HCR
Each date is when we last checked that dataset, not when the record itself was created.