Printed 2026-10-21 from blueflo.tech/b/4-dean-street-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 1900 · 4 stories · 6 apartments · BIN 3002853 · BBL 3002800023
- On the state's list of buildings with rent-stabilized apartments (2024 registrations)
- Water service line on record as non-lead (field inspection)
- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding
- No heat or hot water complaints filed last winter
NU Cobble Hill Holding Corporation
How often each problem is reported
2024 – 2026- Heat or hot water2 reports20242025Heat or hot water · Mar 2025 · 1 report (1 complaint)Mar 5, 2025Heat or hot water · Apr 2025 · 1 report (1 complaint)Apr 1, 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.
Heat and hot water
2 complaints, 2025- 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
- Heat and hot water complaintsfound0 heat or hot water complaints
Water and pipes
No issues on recordNon-Lead (field inspection)
Pests and cleanliness
3 resolved since 2024Fire and safety
Older records on fileStructure and facade
No 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
Flooding
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
Below grade
Rent 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
1 open: 1 about building conditions — fire safety (1). Also 1 older record from 1987 never closed. 4 further violations from 2024–2026 were closed. 12 violations on record in all, 1987–2026 — the 6 most recent are listed here
What this counts
Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify
2 heat or hot water
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
- DOB violationsfound0 open
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 Layer2026-10-20
- 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.