Printed 2026-10-21 from blueflo.tech/b/663-classon-avenue-brooklyn, 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 1931 · 4 stories · 6 apartments · BIN 3028009 · BBL 3011420002
- 1 open immediately hazardous (class C) HPD violation about heat or hot water
- 1 hazardous (class 1) building code violation from 2023 is still open
- 11 heat or hot water complaints filed with the city last winter
- City records list the water service line's material as unknown (lead not ruled out)
- Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
- 2 open major (class 2) building code violations from 2023–2026
- On the state's list of buildings with rent-stabilized apartments (2024 registrations)
- City stormwater map shows nuisance flooding at this building in the Extreme storm, 2080 sea levels scenario
- Outside FEMA's 1% annual-chance flood zone
NIEUW AMSTERDAM PROPERTY MANAGEMENT, PROSPECT AFFORDABLE PACKAGE LLC, HP MJM HOUSING DEVELOPMENT FUND COMPANY, INC.,
Also reported
2024 – 2026- Pests3 reports20242025Pests · Feb 2025 · 1 report (1 complaint)Feb 11, 20252026Pests · May 2026 · 1 report (1 complaint)May 8, 2026Pests · Aug 2026 · 1 report (1 complaint)Aug 6, 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
Structure and facade
Issues on record- Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
- Sidewalk shed and scaffoldingfoundNo active shed permit
- Landmark statusno recordNot in a historic district on record
Flooding
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: Nuisance flooding (4 in. to 1 ft); Moderate storm, 2050 sea levels: Nuisance flooding (4 in. to 1 ft); Moderate storm, today's sea levels: Nuisance flooding (4 in. to 1 ft); Limited storm, today's sea levels: Not loaded (file format unreadable)
What this counts
Mapped ponding touching the building footprint
Below grade
Heat and hot water
Issues on record · 10 complaints, 2025–2026Show 8 more
Latest accepted inspection Jan 2025, defects reported: no
What this counts
Accepted annual boiler inspection filings, any date
11 heat or hot water complaints
What this counts
HPD complaints, heat season 2025–26 (Oct 1–May 31)
- Heat sourceno recordNo boiler registration or district steam on record
- Boiler work permitsno recordNo boiler work permits on record
Water and pipes
Issues on record · 2 complaints, 2025–2026 · 1 in the past yearUnknown - Lead Status Unknown (records)
Pests and cleanliness
Issues on record · 3 complaints, 2025–2026 · 2 in the past yearFire and safety
1 resolved in 2026Rent and tenancy
On the state listOn the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)
What this counts
The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR
General condition and all records
4 open: 4 about building conditions — doors and windows (2), heat or hot water (1), mold (1); 1 immediately hazardous (class C). 15 further violations from 2025–2026 were closed. 31 violations on record in all, 2003–2026 — the 19 most recent are listed here
Show 11 more
What this counts
Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify
3 open: 3 about building conditions
What this counts
Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major
10 heat or hot water, 3 pests, 2 doors or windows, 1 floors or stairs, 1 general repairs, 1 leaks, 1 plumbing
Show 11 more
What this counts
HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years
3 permits since 1990
What this counts
DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds
Nothing on record
- Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
- 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 Layer2026-10-21
- OpenFEMA NFIP Redacted Claims (v3)2026-09-09
NYC DCP
- NYC GeoSearch (address directory)2026-10-21
- 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 Compliance2026-10-20
- DOB NOW: Build – Approved Permits2026-10-20
- DOB NOW: Safety Boiler2026-10-20
- DOB NOW: Safety – Facades Compliance Filings2026-10-20
- DOB Permit Issuance (BIS)2026-10-20
- DOB Safety Violations2026-10-20
- DOB Violations2026-10-20
NYC DOB / Mayor's Office
NYC HPD
- Buildings Subject to HPD Jurisdiction2026-08-12
- Housing Maintenance Code Complaints and Problems2026-10-20
- Housing Maintenance Code Violations2026-10-20
- Multiple Dwelling Registrations2026-08-12
- Registration Contacts2026-08-12
NYC OTI
- AddressPoint2026-07-07
- Building Footprints2026-10-19
NYC Rent Guidelines Board / NYS HCR
Each date is when we last checked that dataset, not when the record itself was created.