Building record from city data · BROOKLYN, NY

770 Jefferson Ave

Printed 2026-10-21 from blueflo.tech/b/770-jefferson-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 1910 · 4 stories · 8 apartments · BIN 3045923 · BBL 3016580011

Worth knowing
4 open immediately hazardous (class C) HPD violations about lead-based paint and pests
Source: Housing Maintenance Code Violations · as of 2026-10-19
Worth knowing
Also on record
Clean in the records
Registered with the city

770 HOLDINGS LLC

Heat or hot water: 8 reports to the city since 2024
2024Heat or hot water · Jan 2024 · 1 report (1 complaint)Jan 15, 2024Heat or hot water · Mar 2024 · 1 report (1 complaint)Mar 20, 2024Heat or hot water · May 2024 · 1 report (2 complaints)May 3, 2024May 6, 2024Heat or hot water · Nov 2024 · 1 report (1 complaint)Nov 14, 2024
2025Heat or hot water · Dec 2025 · 3 reports (8 complaints)Dec 7, 2025Dec 8, 2025Dec 15, 2025Dec 31, 2025Jan 1, 2026Jan 3, 2026Jan 3, 2026 (2nd)Jan 3, 2026 (3rd)
2026Heat or hot water · Jan 2026 · 1 report (2 complaints)Jan 18, 2026Jan 20, 2026
Source: HPD Complaints and Problems · as of 2026-10-21

Also 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

Apt 1L 1Apt 1R 23Apt 2F 6Apt 2L 5Apt 2R 2Apt 3R 6Apt 4R 6

7 of this building’s 8 apartments are 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.

Fire and safety

Issues on record
What has happened here
2025 Dec
Fire safety class A · HPD violation
2025 Oct
Lead-based paintApt 1R class C · HPD violation
2025 Oct
Lead-based paintApt 1R class C · HPD violation
2025 Oct
Lead-based paintApt 1R class C · HPD violation
2025 Oct
Fire safetyApt 1R class B · HPD violation
2024 Aug
Fire safety class B · closed · HPD violation
Show 7 more
2024 Aug
Fire safety class B · closed · HPD violation
2024 May
Fire safety class C · closed · HPD violation
2024 Apr
Fire safety class C · closed · HPD violation
2024 Apr
Fire safety class B · closed · HPD violation
2024 Mar
Fire safety class B · closed · HPD violation
2024 Mar
Fire safety class C · closed · HPD violation
2024 Mar
Fire safety class C · closed · HPD violation

Structure and facade

Issues on record
What has happened here
2025 Dec
Walls, floors and stairs class A · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class A · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class A · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
Show 11 more
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 Oct
Walls, floors and stairsApt 1R class B · HPD violation
2025 May
Walls, floors and stairsApt 2L class B · HPD violation
2024 Apr
Walls, floors and stairsApt 3R class B · HPD violation
2024 Apr
Walls, floors and stairsApt 3R class A · closed · HPD violation
2024 Apr
Walls, floors and stairsApt 3R class B · closed · HPD violation
2024 Mar
Walls, floors and stairs class A · closed · HPD violation
2024 Mar
Doors and windows class C · closed · HPD violation
  • 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 (2024) · 11 complaints, 2024–2026 · 10 in the past year
What has happened here
2026 Jan
Heat or hot waterApt 1R complaint
2026 Jan
Heat or hot waterApt 1R complaint
2026 Jan
Heat or hot waterApt 1R complaint
2026 Jan
Heat or hot waterApt 1L complaint
2026 Jan
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
Show 18 more
2025 Dec
Heat or hot water complaint
2025 Dec
Heat or hot water complaint
2025 Dec
Heat or hot water complaint
2025 Dec
Heat or hot water complaint
2024 Nov
Heat or hot water complaint
2024 Sep
Low Pressure Boiler DOB violation
2024 May
Heat or hot waterApt 4R complaint
2024 May
Heat or hot waterApt 4R complaint
2024 Apr
Heat or hot water class B · closed · HPD violation
2024 Mar
Heat or hot water complaint
2024 Jan
Heat or hot water complaint
2023 Dec
Heat or hot water complaint
2023 Jun
Low Pressure Boiler DOB violation
2023 Jun
Low Pressure Boiler DOB violation
2023 Jun
Low Pressure Boiler DOB violation
2023 Apr
Low Pressure Boiler DOB violation
2019 Nov
Low Pressure Boiler DOB violation
2018 Apr
Low Pressure Boiler DOB violation
Heat source

Boiler burning natural gas (Weil Mclain H-10 WEIL MCLAIN H-10), registration expired since Jan 1995

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 Oct 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

Heat and hot water complaints

15 heat or hot water complaints

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)

  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record (2025) · 1 complaint, 2025
What has happened here
2025 Oct
LeaksApt 1R class B · HPD violation
2025 Oct
PlumbingApt 1R class B · HPD violation
2025 Oct
LeaksApt 1R class B · HPD violation
2025 May
PlumbingApt 2L complaint
2024 Jun
PlumbingApt 2F complaint
2024 Jun
Plumbing, leaksApt 4R complaint
Show 5 more
2024 Apr
PlumbingApt 3R class B · closed · HPD violation
2024 Apr
LeaksApt 3R complaint
2024 Mar
Leaks class B · closed · HPD violation
2024 Mar
LeaksApt 4R complaint
2023 Nov
Plumbing complaint
Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record (2024) · 2 complaints, 2025
What has happened here
2026 May
Pests class A · paperwork · closed · HPD violation
2025 Oct
MoldApt 1R complaint
2025 Jun
Pests class A · paperwork · closed · HPD violation
2025 May
Unsanitary conditionsApt 2L complaint
2024 Aug
Pests class B · HPD violation
2024 Apr
Pests class A · paperwork · closed · HPD violation
Show 3 more
2024 Mar
Rubbish and cleanliness class A · closed · HPD violation
2024 Mar
Unsanitary conditions complaint
2023 Nov
Mold complaint

Electrical

Older records on file
What has happened here
2024 Jun
ElectricalApt 2F complaint

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

Rent and tenancy

On the state list
Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30
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

HPD violations

40 open: 40 about building conditions — walls, floors and stairs (15), electrical (5), fire safety (4), smoke or CO detectors (4); 4 immediately hazardous (class C). 25 further violations from 2023–2026 were closed. 216 violations on record in all, 1994–2026 — the 65 most recent are listed here

2026 May
Pests class A · paperwork · closed
2025 Dec
Walls, floors and stairs class A
2025 Dec
Fire safety class A
2025 Nov
Other conditions class I · paperwork · closed
2025 Oct
Lead-based paintApt 1R class C
2025 Oct
Lead-based paintApt 1R class C
2025 Oct
Lead-based paintApt 1R class C
2025 Oct
Walls, floors and stairsApt 1R class A
Show 42 more
2025 Oct
LeaksApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class A
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Oct
Fire safetyApt 1R class B
2025 Oct
PlumbingApt 1R class B
2025 Oct
LeaksApt 1R class B
2025 Oct
Walls, floors and stairsApt 1R class B
2025 Jun
Pests class A · paperwork · closed
2025 May
Walls, floors and stairsApt 2L class B
2025 May
Smoke or CO detectorsApt 2L class B
2025 May
Smoke or CO detectorsApt 2L class B
2024 Aug
Pests class B
2024 Aug
Fire safety class B · closed
2024 Aug
Fire safety class B · closed
2024 Aug
Smoke or CO detectorsApt 2R class B · closed
2024 Aug
Smoke or CO detectorsApt 2R class B · closed
2024 May
Fire safety class C · closed
2024 May
Other conditions class B · closed
2024 Apr
Walls, floors and stairsApt 3R class B
2024 Apr
PlumbingApt 3R class B · closed
2024 Apr
Walls, floors and stairsApt 3R class A · closed
2024 Apr
Walls, floors and stairsApt 3R class B · closed
2024 Apr
Pests class A · paperwork · closed
2024 Apr
Fire safety class C · closed
2024 Apr
Heat or hot water class B · closed
2024 Apr
Fire safety class B · closed
2024 Mar
Other conditions class B · closed
2024 Mar
Leaks class B · closed
2024 Mar
Walls, floors and stairs class A · closed
2024 Mar
Fire safety class B · closed
2024 Mar
Doors and windows class C · closed
2024 Mar
Fire safety class C · closed
2024 Mar
Fire safety class C · closed
2024 Mar
Rubbish and cleanliness class A · closed
2023 Nov
Other conditions class I · paperwork · closed
2023 Sep
Other conditions class B
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

7 open: 7 about building conditions

2024 Sep
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Apr
Low Pressure Boiler
2019 Nov
Low Pressure Boiler
2018 Apr
Low Pressure Boiler
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

Everything else on record
2025 Nov
Other conditions class I · paperwork · closed · HPD violation
2025 Oct
General repairs, paint or plasterApt 1R complaint
2025 May
Smoke or CO detectorsApt 2L class B · HPD violation
2025 May
Smoke or CO detectorsApt 2L class B · HPD violation
2024 Aug
Smoke or CO detectorsApt 2R class B · closed · HPD violation
2024 Aug
Smoke or CO detectorsApt 2R class B · closed · HPD violation
Show 13 more
2024 Jun
Doors or windows, floors or stairs, general repairsApt 2F complaint
2024 Jun
General repairsApt 4R complaint
2024 Jun
Doors or windows complaint
2024 Jun
Safety complaint
2024 May
Other conditions class B · closed · HPD violation
2024 Apr
Safety complaint
2024 Mar
Floors or stairsApt 3R complaint
2024 Mar
Other conditions class B · closed · HPD violation
2024 Mar
SafetyApt 2F complaint
2024 Mar
General repairs complaint
2023 Nov
Floors or stairs, paint or plaster complaint
2023 Nov
Other conditions class I · paperwork · closed · HPD violation
2023 Sep
Other conditions class B · HPD violation
  • Permit historyno record0 permits since 1990

Nothing on record

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

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

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