Building record from city data · BROOKLYN, NY

307 Sterling St

Printed 2026-10-21 from blueflo.tech/b/307-sterling-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).

Also known as 1021 Nostrand Ave, 1023 Nostrand Ave, 1025 Nostrand Ave, 1031 Nostrand Ave — one building, several doors.

built 1926 · 6 stories · 66 apartments · BIN 3034833 · BBL 3013160001

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

645 OCEAN AVENUE ASSOCIATES, LP

Heat or hot water: 19 reports to the city since 2024
2024Heat or hot water · Jan 2024 · 2 reports (3 complaints)Jan 7, 2024Jan 14, 2024Jan 31, 2024Heat or hot water · Feb 2024 · 1 report (1 complaint)Feb 16, 2024Heat or hot water · Apr 2024 · 1 report (2 complaints)Apr 21, 2024Apr 28, 2024Heat or hot water · Oct 2024 · 1 report (1 complaint)Oct 27, 2024Heat or hot water · Nov 2024 · 1 report (5 complaints)Nov 30, 2024Nov 30, 2024 (2nd)Dec 2, 2024Dec 3, 2024Dec 7, 2024Heat or hot water · Dec 2024 · 1 report (1 complaint)Dec 30, 2024
2025Heat or hot water · Jan 2025 · 2 reports (2 complaints)Jan 8, 2025Jan 22, 2025Heat or hot water · Feb 2025 · 1 report (1 complaint)Feb 1, 2025Heat or hot water · Oct 2025 · 1 report (1 complaint)Oct 16, 2025Heat or hot water · Nov 2025 · 1 report (1 complaint)Nov 28, 2025Heat or hot water · Dec 2025 · 2 reports (3 complaints)Dec 9, 2025Dec 24, 2025Dec 25, 2025
2026Heat or hot water · Jan 2026 · 2 reports (4 complaints)Jan 12, 2026Jan 24, 2026Jan 26, 2026Jan 28, 2026Heat or hot water · Mar 2026 · 2 reports (3 complaints)Mar 3, 2026Mar 3, 2026 (2nd)Mar 14, 2026Heat or hot water · Oct 2026 · 1 report (1 complaint)Oct 17, 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

25 of this building’s 66 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.

Structure and facade

Issues on record
What has happened here
2026 Jul
Doors and windowsApt F11 class A · HPD violation
2026 Jul
Walls, floors and stairsApt F11 class B · HPD violation
2026 Apr
Walls, floors and stairsApt C5 class A · closed · HPD violation
2025 Dec
Walls, floors and stairsApt F11 class B · closed · HPD violation
2025 Jun
Walls, floors and stairsApt B12 class B · closed · HPD violation
2025 Apr
Doors and windowsApt E1 class B · closed · HPD violation
Show 20 more
2025 Apr
Walls, floors and stairsApt E1 class B · closed · HPD violation
2025 Apr
Walls, floors and stairsApt E1 class B · closed · HPD violation
2025 Apr
Walls, floors and stairsApt E1 class B · closed · HPD violation
2025 Feb
Walls, floors and stairsApt F4 class B · closed · HPD violation
2024 Aug
Walls, floors and stairsApt E6 class B · HPD violation
2024 Aug
Walls, floors and stairsApt E6 class B · HPD violation
2024 Aug
Walls, floors and stairsApt E6 class A · closed · HPD violation
2024 Jul
Walls, floors and stairsApt E12 class A · closed · HPD violation
2024 Jul
Walls, floors and stairsApt E12 class C · closed · HPD violation
2024 Jul
Walls, floors and stairsApt E12 class C · closed · HPD violation
2024 Apr
Walls, floors and stairsApt C3 class B · HPD violation
2024 Apr
Walls, floors and stairsApt B11 class B · HPD violation
2024 Apr
Walls, floors and stairsApt B11 class B · HPD violation
2021 Feb
Doors and windowsApt F8 class B · HPD violation
2021 Feb
Walls, floors and stairsApt F8 class A · HPD violation
2021 Feb
Walls, floors and stairsApt F8 class A · HPD violation
2018 Nov
General construction permit
2013 Aug
General construction permit
2005 Mar
General construction permit
1997 Jun
General construction permit, Construction fence permit
  • 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

Heat and hot water

Issues on record · 23 complaints, 2024–2026 · 12 in the past year
What has happened here
2026 Oct
Heat or hot waterApt D1 complaint
2026 Mar
Heat or hot waterApt D2 complaint
2026 Mar
Heat or hot waterApt C7 complaint
2026 Mar
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
Show 38 more
2026 Jan
Heat or hot water complaint
2026 Jan
Heat or hot water complaint
2025 Dec
Heat or hot water complaint
2025 Dec
Heat or hot waterApt 4F complaint
2025 Dec
Heat or hot waterApt F11 class C · closed · HPD violation
2025 Dec
Heat or hot water complaint
2025 Nov
Heat or hot waterApt E9 complaint
2025 Oct
Heat or hot water complaint
2025 Feb
Heat or hot water complaint
2025 Jan
Heat or hot water complaint
2025 Jan
Heat or hot water complaint
2024 Dec
Heat or hot waterApt B4 complaint
2024 Dec
Heat or hot water complaint
2024 Dec
Heat or hot water class C · closed · HPD violation
2024 Dec
Heat or hot waterApt B2 class C · closed · HPD violation
2024 Dec
Heat or hot waterApt B2 complaint
2024 Dec
Heat or hot water complaint
2024 Nov
Heat or hot water complaint
2024 Nov
Heat or hot waterApt E6 complaint
2024 Oct
Heat or hot waterApt E6 complaint
2024 Apr
Heat or hot water complaint
2024 Apr
Heat or hot water complaint
2024 Feb
Heat or hot waterApt F11 complaint
2024 Jan
Heat or hot water complaint
2024 Jan
Heat or hot waterApt 12 complaint
2024 Jan
Heat or hot waterApt F12 complaint
2023 Dec
Heat or hot waterApt F4 complaint
2023 Dec
Heat or hot water complaint
2023 Dec
Heat or hot waterApt F7 complaint
2023 Dec
Heat or hot water complaint
2023 Dec
Heat or hot water complaint
2023 Dec
Heat or hot water complaint
2023 Dec
Heat or hot waterApt E6 complaint
2023 Dec
Heat or hot water complaint
2023 Nov
Heat or hot water complaint
2023 Oct
Heat or hot water complaint
2018 Nov
Heating/ventilation permit
1992 Jul
Fuel storage permit
Boiler inspection filings

Latest accepted inspection Mar 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

14 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)

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record · 7 complaints, 2025–2026 · 1 in the past year

Pests and cleanliness

Issues on record · 3 complaints, 2025–2026 · 1 in the past year

Fire and safety

1 resolved in 2025

Electrical

2 complaints, 2024–2025

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

  • BasementfoundNo basement

Elevators

No issues on record
Elevators

1 active elevator; latest periodic inspection Jan 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-19 · See this building's elevators on NYC Open Data →
What this counts

Active elevator devices registered to this building ID

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). Listed under the J-51 tax program, so stabilization can end when the exemption does

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

Energy

Energy

ENERGY STAR score 86 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

27 open: 27 about building conditions — walls, floors and stairs (9), mold (4), other conditions (3), pests (3); 5 immediately hazardous (class C). Also 7 older records from 2010–2013 never closed. 25 further violations from 2024–2026 were closed. 208 violations on record in all, 1991–2026 — the 88 most recent are listed here

2026 Jul
Doors and windowsApt F11 class A
2026 Jul
PestsApt F11 class C
2026 Jul
Walls, floors and stairsApt F11 class B
2026 Jul
Other conditionsApt F11 class B
2026 Jul
Other conditionsApt F11 class B
2026 Jul
LeaksApt F11 class B
2026 Jul
PlumbingApt F11 class B
2026 Jul
PlumbingApt F11 class B
Show 42 more
2026 Jul
PlumbingApt F11 class B
2026 Apr
MoldApt C5 class B
2026 Apr
Walls, floors and stairsApt C5 class A · closed
2025 Dec
ElectricalApt F11 class B · closed
2025 Dec
Heat or hot waterApt F11 class C · closed
2025 Dec
Walls, floors and stairsApt F11 class B · closed
2025 Dec
PlumbingApt F11 class B · closed
2025 Nov
Fire safetyApt E9 class C · closed
2025 Nov
Other conditions class I · paperwork · closed
2025 Jun
Walls, floors and stairsApt B12 class B · closed
2025 Jun
LeaksApt B12 class B · closed
2025 Apr
Doors and windowsApt E1 class B · closed
2025 Apr
Walls, floors and stairsApt E1 class B · closed
2025 Apr
Walls, floors and stairsApt E1 class B · closed
2025 Apr
Walls, floors and stairsApt E1 class B · closed
2025 Apr
PlumbingApt E1 class B · closed
2025 Feb
PestsApt F4 class C · closed
2025 Feb
PestsApt F4 class C · closed
2025 Feb
LeaksApt F4 class B · closed
2025 Feb
Walls, floors and stairsApt F4 class B · closed
2024 Dec
Heat or hot water class C · closed
2024 Dec
Heat or hot waterApt B2 class C · closed
2024 Aug
Walls, floors and stairsApt E6 class B
2024 Aug
Walls, floors and stairsApt E6 class B
2024 Aug
Walls, floors and stairsApt E6 class A · closed
2024 Jul
Walls, floors and stairsApt E12 class A · closed
2024 Jul
Walls, floors and stairsApt E12 class C · closed
2024 Jul
Walls, floors and stairsApt E12 class C · closed
2024 Jul
ElectricalApt E3 class B · closed
2024 Apr
Walls, floors and stairsApt C3 class B
2024 Apr
MoldApt C3 class C
2024 Apr
Walls, floors and stairsApt B11 class B
2024 Apr
Other conditionsApt B11 class B
2024 Apr
Walls, floors and stairsApt B11 class B
2024 Feb
MoldApt F11 class B
2022 Feb
MoldApt E3 class C
2022 Feb
Smoke or CO detectorsApt B12 class B
2021 Jul
PestsApt E4 class C
2021 Feb
Doors and windowsApt F8 class B
2021 Feb
LeaksApt F8 class B
2021 Feb
Walls, floors and stairsApt F8 class A
2021 Feb
Walls, floors and stairsApt F8 class A
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

1 open: 1 about building conditions

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

Resident complaints to the city

23 heat or hot water, 5 leaks, 5 paint or plaster, 5 plumbing, 3 floors or stairs, 2 electrical, 2 pests, 1 general repairs, 1 mold

2026 Oct
Heat or hot waterApt D1
2026 Apr
Paint or plaster, mold, leaksApt C5
2026 Mar
Heat or hot waterApt D2
2026 Mar
Heat or hot waterApt C7
2026 Mar
Heat or hot water
2026 Jan
Heat or hot water
2026 Jan
Heat or hot water
2026 Jan
Heat or hot water
Show 47 more
2026 Jan
Heat or hot water
2025 Dec
Heat or hot water
2025 Dec
Heat or hot waterApt 4F
2025 Dec
Heat or hot water
2025 Nov
Heat or hot waterApt E9
2025 Oct
Heat or hot water
2025 Sep
Paint or plaster, pests, leaksApt F2
2025 Jun
LeaksApt B12
2025 May
LeaksApt B12
2025 May
LeaksApt D1
2025 Apr
Floors or stairs, general repairs, plumbingApt E1
2025 Feb
Plumbing, pestsApt E6
2025 Feb
Heat or hot water
2025 Jan
Electrical, floors or stairs, paint or plasterApt F4
2025 Jan
Heat or hot water
2025 Jan
Heat or hot water
2024 Dec
Heat or hot waterApt B4
2024 Dec
Electrical, floors or stairs, paint or plasterApt F4
2024 Dec
Heat or hot water
2024 Dec
Heat or hot waterApt B2
2024 Dec
Heat or hot water
2024 Nov
Heat or hot water
2024 Nov
Heat or hot waterApt E6
2024 Oct
Heat or hot waterApt E6
2024 Sep
PlumbingApt F6
2024 Aug
AppliancesApt C8
2024 Aug
Paint or plaster, plumbingApt E6
2024 Jun
ElectricalApt F12
2024 Apr
Heat or hot water
2024 Apr
Heat or hot water
2024 Apr
MoldApt B11
2024 Feb
PlumbingApt E6
2024 Feb
Heat or hot water, leaksApt F11
2024 Jan
Heat or hot water
2024 Jan
Heat or hot waterApt 12
2024 Jan
LeaksApt F12
2024 Jan
Heat or hot waterApt F12
2023 Dec
Heat or hot waterApt F4
2023 Dec
Heat or hot water
2023 Dec
Heat or hot waterApt F7
2023 Dec
Heat or hot water
2023 Dec
Heat or hot water
2023 Dec
Heat or hot water
2023 Dec
Heat or hot waterApt E6
2023 Dec
Heat or hot water
2023 Nov
Heat or hot water
2023 Oct
Heat or hot water
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

10 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

Nothing on record

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

Sources

23 datasets

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