Building record from city data · BROOKLYN, NY

793 4 Ave

Printed 2026-10-21 from blueflo.tech/b/793-4-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 · 6 apartments · BIN 3009756 · BBL 3006610004

Worth knowing
City records list the water service line as lead
Source: Lead Service Line Location Coordinates · as of 2026-01-30
Worth knowing
Also on record
Clean in the records
Worth knowing
City records list the water service line as lead
Source: Lead Service Line Location Coordinates · as of 2026-01-30

Heat and hot water

Issues on record
Boiler inspection filings

Latest accepted inspection Nov 2025, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

Issues on record
Water service line

Lead (records)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

Older records on file

Structure and facade

Issues on record, most recently 2022

Flooding

No issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20
What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

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)

NYC Stormwater Flood Maps, as of 2024-07-03
What this counts

Mapped ponding touching the building footprint

  • Basementno recordUnknown

Gas

Gas piping

Open violation for not filing the periodic gas piping inspection (2025)

DOB Safety Violations, as of 2026-10-19
What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

HPD violations

32 open: 16 about building conditions — walls, floors and stairs (7), doors and windows (4), smoke or CO detectors (2), leaks (1); 4 immediately hazardous (class C), 16 about paperwork or notices. Also 50 older records from 1985–2015 never closed. 86 violations on record in all, 1985–2026 — the 82 most recent are listed here

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →
What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

9 open: 3 about building conditions, 5 about filings or paperwork, 1 older than 10 years

DOB Violations, as of 2026-10-19 · Read these violations in full at DOB →
What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Permit history

1 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-19 · See every permit at DOB →
What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

  • Resident complaints to the cityfoundno complaints

Nothing on record

Rent and tenancyNot on the state list
  • 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
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

22 datasets

Each date is when we last checked that dataset, not when the record itself was created.