Building record from city data · BROOKLYN, NY

1751 Union St

Printed 2026-10-21 from blueflo.tech/b/1751-union-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 1925 · 4 stories · 16 apartments · BIN 3037557 · BBL 3013960047

Checked in city records
Checked in city records: non-lead water line, boiler filing with no defects (Feb 2026), outside FEMA flood zones and stormwater maps
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Lead Service Line Location Coordinates · as of 2026-01-30
Clean in the records
Registered with the city

METROPOLITAN REALTY GROUP LLC, UNION STREET HOUSES OWNERS, LLC, UNION STREET HOUSING DEVELOPMENT FUND CO RP

Checked in city records
Checked in city records: non-lead water line, boiler filing with no defects (Feb 2026), outside FEMA flood zones and stormwater maps
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Lead Service Line Location Coordinates · as of 2026-01-30

How often each problem is reported

2024 – 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

1 of this building’s 16 apartments is named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Heat and hot water

1 complaint, 2026
Heat source

Boiler burning No. 2 oil (H.B. Smith 28-7), registration current since Jan 2025

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Feb 2026, 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

Boiler work permits

Latest boiler work permit 2020 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-19
What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

1 heat or hot water complaint

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →
What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Water and pipes

Issues on record (2025) · 1 complaint, 2025

Pests and cleanliness

1 complaint, 2025

Structure and facade

Issues on record, most recently 2025
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Aug 2020, last expired Aug 2021
  • Landmark statusno recordNot in a historic district on record

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: 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)

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

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

General condition and all records

HPD violations

3 open: 3 about building conditions — leaks (2), walls, floors and stairs (1). 3 further violations from 2025–2026 were closed. 70 violations on record in all, 2012–2026 — the 6 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

Resident complaints to the city

4 paint or plaster, 1 heat or hot water, 1 leaks, 1 mold

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →
What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

Permit history

8 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

  • DOB violationsfound0 open

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
Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
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

23 datasets

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