Building health · BROOKLYN, NY

665 St Marks Ave

built 1900 · 5 stories · 21 apartments
Registered with the city: OR 665 ST. MARKS, LLC; OWEMANCO'S CROWN HEIGHTS RUN L.P.
Last sold Mar 2026 for $3,800,000 · NYC Department of Finance

Apartments named in these records

Apt 1-B 1Apt 1A 2Apt 1D 5Apt 2A 1Apt 2B 7Apt 2C 52Apt 3B 1Apt 4B 4Apt B-4 2Apt BASEME 1

10 of this building’s 21 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
2026 May
Fire safetyApt 1A class C · HPD violation
2025 Jun
Fire safety class B · closed · HPD violation
2024 Aug
Fire safety class B · closed · HPD violation
2024 May
Fire safety class C · closed · HPD violation
2024 May
Fire safety class C · closed · HPD violation
2023 Apr
Fire safety class B · HPD violation
Show 1 more
2023 Apr
Fire safety class B · HPD violation

Heat and hot water

Issues on record (2024) · 9 complaints, 2024–2026 · 2 in the past year
What has happened here
2026 Sep
Heat or hot waterApt 3B complaint
2026 May
Heat or hot waterApt 1A class C · closed · HPD violation
2026 May
Heat or hot water complaint
2025 Jun
Heat or hot water complaint
2025 Jan
Heat or hot waterApt 2C complaint
2025 Jan
Heat or hot water complaint
Show 20 more
2025 Jan
Heat or hot water class C · closed · HPD violation
2025 Jan
Heat or hot waterApt 2C class C · closed · HPD violation
2025 Jan
Heat or hot waterApt 4B class C · closed · HPD violation
2025 Jan
Heat or hot water complaint
2025 Jan
Heat or hot waterApt 2C complaint
2025 Jan
Heat or hot water complaint
2024 Nov
Heat or hot waterApt 2C complaint
2024 May
Heat or hot waterApt 2C complaint
2024 Feb
Heat or hot water complaint
2024 Jan
Heat or hot water class C · HPD violation
2024 Jan
Heat or hot waterApt 2C class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2C class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2C class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2C class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2C complaint
2024 Jan
Heat or hot waterApt 2C class B · closed · HPD violation
2024 Jan
Heat or hot waterApt 2C complaint
1995 May
Fuel burning permit, Boiler permit
1993 Aug
Local Law 62/91 - Boilers never closed · DOB violation
1991 Oct
Boiler permit
Heat source

Boiler burning natural gas (Rockmills MP30), registration current since Mar 2025

Clean Air Tracking System (boiler registrations), as of 2026-10-21 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Feb 2025, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-21 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 1995 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-20
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 2026-10-21 · See the complaints at HPD Online →
What this counts

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

Water and pipes

3 complaints, 2024–2026 · 1 in the past year
What has happened here
2026 Mar
PlumbingApt BASEME complaint
2024 Oct
LeaksApt 1D class B · closed · HPD violation
2024 Oct
Plumbing complaint
2024 Oct
Plumbing, leaksApt 1D complaint
2024 Jul
PlumbingApt 2C complaint
2024 Jun
PlumbingApt 2C complaint
Show 10 more
2024 Jun
Plumbing, leaksApt 2B complaint
2024 May
PlumbingApt 2C complaint
2024 Jan
PlumbingApt 2C complaint
2024 Jan
PlumbingApt 2C class B · closed · HPD violation
2024 Jan
PlumbingApt 2C complaint
2022 Aug
Plumbing permit
2003 Dec
PlumbingApt B-4 class B · never closed · HPD violation
2003 Oct
Plumbing class B · never closed · HPD violation
1995 May
Plumbing permit
1991 Oct
Plumbing permit
Water service line

Non-Lead (records)

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

Pests and cleanliness

Older records on file
What has happened here
2024 Jun
MoldApt 2B complaint

Electrical

Issues on record, most recently 2023
What has happened here
2024 Aug
ElectricalApt 2C class B · closed · HPD violation
2024 Jun
ElectricalApt 2B complaint
2024 May
ElectricalApt 2C class B · closed · HPD violation
2023 Apr
ElectricalApt 2C class B · HPD violation

Structure and facade

Issues on record, most recently 2023
What has happened here
2024 Oct
Walls, floors and stairsApt 1D class B · closed · HPD violation
2024 Aug
Doors and windowsApt 2C class C · closed · HPD violation
2024 May
Doors and windows class B · closed · HPD violation
2024 Jan
Walls, floors and stairsApt 2C class A · closed · HPD violation
2024 Jan
Doors and windowsApt 2C class B · closed · HPD violation
2023 Apr
Doors and windows class C · HPD violation
Show 12 more
2023 Apr
Doors and windows class C · HPD violation
2022 Nov
General construction permit
2022 Aug
General construction permit
2005 Mar
Construction non-hazardous · never closed · DOB violation
2005 Feb
Walls, floors and stairsApt 2A class A · never closed · HPD violation
2004 Dec
Walls, floors and stairsApt 2B class A · never closed · HPD violation
2003 Dec
Construction non-hazardous · never closed · DOB violation
2003 Dec
Doors and windowsApt B-4 class A · never closed · HPD violation
2003 Sep
Walls, floors and stairs class A · never closed · HPD violation
2003 Aug
Doors and windowsApt 2B class A · never closed · HPD violation
2003 Aug
Walls, floors and stairsApt 2B class A · never closed · HPD violation
2000 Mar
Doors and windowsApt 1-B class A · never 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

Flooding

No issues on record
FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-21
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 Jul 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-21 · 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 stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

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

8 open: 8 about building conditions — fire safety (3), doors and windows (2), electrical (1), heat or hot water (1); 4 immediately hazardous (class C). Also 9 older records from 2000–2005 never closed. 24 further violations from 2024–2026 were closed. 104 violations on record in all, 1991–2026 — the 41 most recent are listed here

2026 May
Fire safetyApt 1A class C
2026 May
Heat or hot waterApt 1A class C · closed
2025 Jun
Fire safety class B · closed
2025 Jan
Heat or hot water class C · closed
2025 Jan
Heat or hot waterApt 2C class C · closed
2025 Jan
Heat or hot waterApt 4B class C · closed
2025 Jan
Smoke or CO detectorsApt 4B class B · closed
2025 Jan
Smoke or CO detectorsApt 4B class B · closed
Show 33 more
2024 Oct
Walls, floors and stairsApt 1D class B · closed
2024 Oct
LeaksApt 1D class B · closed
2024 Aug
Fire safety class B · closed
2024 Aug
ElectricalApt 2C class B · closed
2024 Aug
Doors and windowsApt 2C class C · closed
2024 May
Fire safety class C · closed
2024 May
Doors and windows class B · closed
2024 May
Fire safety class C · closed
2024 May
ElectricalApt 2C class B · closed
2024 Jan
Heat or hot water class C
2024 Jan
Heat or hot waterApt 2C class C · closed
2024 Jan
Heat or hot waterApt 2C class C · closed
2024 Jan
Heat or hot waterApt 2C class C · closed
2024 Jan
Heat or hot waterApt 2C class C · closed
2024 Jan
Walls, floors and stairsApt 2C class A · closed
2024 Jan
Doors and windowsApt 2C class B · closed
2024 Jan
Heat or hot waterApt 2C class B · closed
2024 Jan
PlumbingApt 2C class B · closed
2023 Oct
Other conditionsApt 2C class B
2023 Apr
Fire safety class B
2023 Apr
Fire safety class B
2023 Apr
Doors and windows class C
2023 Apr
Doors and windows class C
2023 Apr
ElectricalApt 2C class B
2005 Feb
Walls, floors and stairsApt 2A class A · never closed
2004 Dec
Walls, floors and stairsApt 2B class A · never closed
2003 Dec
Doors and windowsApt B-4 class A · never closed
2003 Dec
PlumbingApt B-4 class B · never closed
2003 Oct
Plumbing class B · never closed
2003 Sep
Walls, floors and stairs class A · never closed
2003 Aug
Doors and windowsApt 2B class A · never closed
2003 Aug
Walls, floors and stairsApt 2B class A · never closed
2000 Mar
Doors and windowsApt 1-B class A · never closed
Housing Maintenance Code Violations, as of 2026-10-21 · 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

4 open: 1 about filings or paperwork, 3 older than 10 years

2011 Jul
Unknown class - 2 · never closed
2005 Mar
Construction non-hazardous · never closed
2003 Dec
Construction non-hazardous · never closed
1993 Aug
Local Law 62/91 - Boilers never closed
DOB Violations, as of 2026-10-21 · 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

8 permits since 1990

2022 Nov
General construction permit
2022 Aug
Plumbing permit
2022 Aug
General construction permit
1995 May
Plumbing permit, Fuel burning permit, Boiler permit
1991 Oct
Plumbing permit, Boiler permit
and 3 more at the source
DOB NOW: Build – Approved Permits, as of 2026-10-21 · See every permit at DOB →
What this counts

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

SalesWhole tax lot

Last sold Mar 2026 for $3,800,000

NYC Citywide Annualized Calendar Sales, as of 2026-06-09
What this counts

Department of Finance sales files, 2016 on

Everything else on record
2025 Aug
Appliances, paint or plasterApt 2C complaint
2025 Jan
Appliances, general repairsApt 2C complaint
2025 Jan
Smoke or CO detectorsApt 4B class B · closed · HPD violation
2025 Jan
Smoke or CO detectorsApt 4B class B · closed · HPD violation
2025 Jan
Appliances, general repairs, paint or plasterApt 2C complaint
2024 Dec
Paint or plasterApt 4B complaint
Show 10 more
2024 Nov
General repairs, paint or plasterApt 2C complaint
2024 Oct
Paint or plasterApt 1D complaint
2024 Jul
Appliances, general repairsApt 2C complaint
2024 Jul
Safety complaint
2024 Jul
Doors or windows, general repairsApt 2C complaint
2024 Jun
Appliances, doors or windows, general repairsApt 2C complaint
2024 May
Appliances, doors or windows, paint or plasterApt 2C complaint
2024 Jan
Doors or windows, floors or stairs, general repairs, paint or plasterApt 2C complaint
2023 Oct
Other conditionsApt 2C class B · HPD violation
2011 Jul
Unknown class - 2 · never closed · DOB violation

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

Sources

24 datasets

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC DOF

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.

Every row shows the record it came from and the date it was last checked.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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