Printed 2026-10-21 from blueflo.tech/b/23-duffield-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 1920 · 4 stories · 23 apartments · BIN 3000202 · BBL 3001090025
- Water service line on record as non-lead (field inspection)
- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding
- Elevator periodic inspection filed within the last year
- No open HPD violations about building conditions from the last 10 years
177 CONCORD LLC
Also reported
2024 – 2026- Electrical2 reports2024Electrical · Sep 2024 · 1 report (1 complaint)Sep 9, 202420252026Electrical · Feb 2026 · 1 report (1 complaint)Feb 25, 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
Elevators
Issues on record1 active elevator; latest periodic inspection Apr 2026
What this counts
Active elevator devices registered to this building ID
Heat and hot water
2 complaints, 2025–2026 · 1 in the past yearLatest boiler work permit 1996
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)
- Heat sourceno recordNo boiler registration or district steam on record
- Boiler inspection filingsno recordNo boiler filings under this building's ID
Water and pipes
No issues on recordNon-Lead (field inspection)
Pests and cleanliness
2 resolved since 2024Fire and safety
1 resolved in 2024Electrical
1 complaint, 2026Structure and facade
5 resolved since 2024- 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
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
General condition and all records
2 open: 2 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 heat or hot water, 1 electrical
What this counts
HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years
9 permits since 1990
What this counts
DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds
- HPD violationsfound0 open. 11 further violations from 2024–2025 were closed. 29 violations on record in all, 2013–2025 — the 11 most recent are listed here
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
- 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
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.