Printed 2026-10-21 from blueflo.tech/b/850-greene-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 · 3 stories · 1 apartments · BIN 3044048 · BBL 3016200040
- 2 open immediately hazardous (class C) HPD violations about fire safety and heat or hot water
- 15 open HPD violations about building conditions
- City stormwater map shows nuisance flooding at this building in the Extreme storm, 2080 sea levels scenario
- Water service line on record as non-lead (excavation)
- Outside FEMA's 1% annual-chance flood zone
850 Green Realty LLC
Also reported
2024 – 2026- Doors or windows2 reports20242025Doors or windows · May 2025 · 1 report (1 complaint)May 21, 20252026Doors or windows · Mar 2026 · 1 report (1 complaint)Mar 28, 2026
- Floors or stairs2 reports20242025Floors or stairs · Nov 2025 · 1 report (1 complaint)Nov 1, 20252026Floors or stairs · Mar 2026 · 1 report (1 complaint)Mar 28, 2026
- General repairs2 reports20242025General repairs · May 2025 · 1 report (1 complaint)May 21, 2025General repairs · Aug 2025 · 1 report (1 complaint)Aug 28, 20252026
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
City records name 5 apartment labels, more than the 1 apartments the city lists for this building, so some are likely the same apartment written differently.
These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.
Structure and facade
Issues on record- Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
- Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
- Landmark statusno recordNot in a historic district on record
Heat and hot water
Issues on record (2025) · 2 complaints, 2025–2026 · 1 in the past year1 heat or hot water complaint
What this counts
HPD complaints, heat season 2025–26 (Oct 1–May 31)
- Heat sourceno recordNo boiler registration or district steam on record
- Boiler inspection filingsnot requiredNot required: residential buildings with 6 or fewer units are exempt from annual filings
- Boiler work permitsno recordNo boiler work permits on record
Water and pipes
Older records on fileNon-Lead (excavation)
Pests and cleanliness
2 complaints, 2025–2026Fire and safety
Issues on record, most recently 2025Electrical
Issues on record, most recently 2025Flooding
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: Nuisance flooding (4 in. to 1 ft); 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
- Basementno recordUnknown
Gas
Open violation for not filing the periodic gas piping inspection (2026)
What this counts
Paperwork violation: the filing is missing, which is not a finding about the pipes
General condition and all records
16 open: 15 about building conditions — electrical (12), fire safety (1), heat or hot water (1), other conditions (1); 2 immediately hazardous (class C), 1 about paperwork or notices. Also 22 older records from 1991–2012 never closed. 4 further violations from 2023–2025 were closed. 116 violations on record in all, 1991–2026 — the 42 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
3 open: 2 about building conditions, 1 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
2 doors or windows, 2 floors or stairs, 2 general repairs, 2 heat or hot water, 1 appliances, 1 mold, 1 outside the building, 1 pests
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
Show 5 more
Nothing on record
- Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
- Elevatorsnot requiredNo elevators registered to this building
- Rent stabilizationnot requiredNot on the state's list. Rent stabilization generally applies to buildings with 6 or more apartments
Sources
23 datasetsFEMA
- FEMA National Flood Hazard Layer2026-10-20
- OpenFEMA NFIP Redacted Claims (v3)2026-09-09
NYC DCP
- NYC GeoSearch (address directory)2026-10-20
- 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 Compliance2026-10-19
- DOB NOW: Build – Approved Permits2026-10-19
- DOB NOW: Safety Boiler2026-10-19
- DOB NOW: Safety – Facades Compliance Filings2026-10-19
- DOB Permit Issuance (BIS)2026-10-19
- DOB Safety Violations2026-10-19
- DOB Violations2026-10-19
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 Violations2026-10-19
- 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.