Building health · MANHATTAN, NY

23 Monroe St

built 1915 · 5 stories · 18 apartments

Apartments named in these records

Apt 1B 3Apt 1C 2Apt 1E 1Apt 2B 8Apt 2C 4Apt 2D 3Apt 2E 5Apt 3B 1Apt 4C 2

9 of this building’s 18 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.

Heat and hot water

Issues on record · 3 complaints, 2025–2026 · 1 in the past year
What has happened here
2026 Jan
Heat or hot water complaint
2025 Nov
Low Pressure Boiler DOB violation
2025 Jul
Heat or hot waterApt 1E complaint
2025 Feb
Heat or hot water complaint
2024 Oct
BE-EXT-LP Boiler DOB violation
2024 Feb
Heat or hot water complaint
Show 18 more
2024 Jan
Heat or hot waterApt 2B class C · closed · HPD violation
2024 Jan
Heat or hot water complaint
2024 Jan
Heat or hot water complaint
2024 Jan
Heat or hot water complaint
2024 Jan
Heat or hot waterApt 4C class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 4C class C · closed · HPD violation
2024 Jan
Heat or hot water class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2E class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2E class C · closed · HPD violation
2024 Jan
Heat or hot waterApt 2E complaint
2023 Dec
Heat or hot water complaint
2023 Nov
BE-EXT-LP Boiler DOB violation
2023 Nov
BE-EXT-LP Boiler DOB violation
2023 Nov
BE-EXT-LP Boiler DOB violation
2017 Jun
Boiler permit
2017 May
Boilers class - 2 · DOB violation
2017 May
Boilers class - 2 · DOB violation
1992 Nov
Boiler permit
Heat source

Boiler burning natural gas (Utica JE-500S), registration current since Feb 2024

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · 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 2026-10-17 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2025 (4 on record)

DOB Permit Issuance (BIS), as of 2026-10-17
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 2026-10-18 · See the complaints at HPD Online →
What this counts

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

Water and pipes

1 resolved in 2024
What has happened here
2024 Jan
LeaksApt 2B class B · closed · HPD violation
2024 Jan
Plumbing permit
2017 Jun
Plumbing permit
1992 Nov
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
2025 Jun
Pests class A · paperwork · closed · HPD violation
2024 Aug
Unsanitary conditionsApt 3B complaint
2024 Jul
Unsanitary conditions, pests complaint
2024 Apr
Pests class A · paperwork · closed · HPD violation
2024 Jan
PestsApt 2E complaint
2023 Dec
Rubbish and cleanliness class B · closed · HPD violation
Show 2 more
2023 Dec
Unsanitary conditions complaint
2019 Feb
Mold class B · HPD violation

Fire and safety

Issues on record, most recently 2024
What has happened here
2025 Mar
Fire safetyApt 1B class C · closed · HPD violation
2024 Feb
Fire safety class C · closed · HPD violation
2024 Jan
Fire safety class C · HPD violation
2024 Jan
Fire safetyApt 2B class C · closed · HPD violation
2024 Jan
Fire safetyApt 2E class C · closed · HPD violation
1993 Jan
Fire safetyApt 2D class B · never closed · HPD violation

Structure and facade

Issues on record, most recently 2025
What has happened here
2025 Mar
Doors and windowsApt 1B class B · HPD violation
2024 Feb
Walls, floors and stairs class A · HPD violation
2024 Feb
Doors and windows class C · closed · HPD violation
2024 Jan
Doors and windowsApt 2B class C · HPD violation
2024 Jan
Walls, floors and stairsApt 2B class C · closed · HPD violation
2024 Jan
Walls, floors and stairsApt 2B class B · closed · HPD violation
Show 9 more
2023 Apr
Walls, floors and stairsApt 1B class A · HPD violation
2016 Dec
Walls, floors and stairs class A · HPD violation
2016 Dec
Walls, floors and stairsApt 1C class A · HPD violation
2016 Dec
Walls, floors and stairsApt 1C class B · HPD violation
1979 Jul
Walls, floors and stairsApt 2C class A · never closed · HPD violation
1979 Jul
Walls, floors and stairsApt 2C class B · never closed · HPD violation
1979 Jul
Walls, floors and stairsApt 2C class A · never closed · HPD violation
1979 Jul
Walls, floors and stairs class A · never closed · HPD violation
1979 Jul
Walls, floors and stairsApt 2C class B · 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 2026-10-19
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

11 open: 11 about building conditions — walls, floors and stairs (5), doors and windows (2), other conditions (2), fire safety (1); 2 immediately hazardous (class C). Also 8 older records from 1979–1993 never closed. 21 further violations from 2023–2025 were closed. 95 violations on record in all, 1979–2025 — the 40 most recent are listed here

2025 Nov
Other conditions class I · paperwork · closed
2025 Jun
Pests class A · paperwork · closed
2025 Mar
Other conditions class B
2025 Mar
Doors and windowsApt 1B class B
2025 Mar
Fire safetyApt 1B class C · closed
2024 Apr
Pests class A · paperwork · closed
2024 Feb
Walls, floors and stairs class A
2024 Feb
Doors and windows class C · closed
Show 32 more
2024 Feb
Fire safety class C · closed
2024 Jan
Fire safety class C
2024 Jan
Doors and windowsApt 2B class C
2024 Jan
Fire safetyApt 2B class C · closed
2024 Jan
Walls, floors and stairsApt 2B class C · closed
2024 Jan
Walls, floors and stairsApt 2B class B · closed
2024 Jan
LeaksApt 2B class B · closed
2024 Jan
Smoke or CO detectorsApt 2B class B · closed
2024 Jan
Smoke or CO detectorsApt 2B class B · closed
2024 Jan
Heat or hot waterApt 2B class C · closed
2024 Jan
Heat or hot waterApt 4C class C · closed
2024 Jan
Heat or hot waterApt 4C class C · closed
2024 Jan
Fire safetyApt 2E class C · closed
2024 Jan
Heat or hot water class C · closed
2024 Jan
Heat or hot waterApt 2E class C · closed
2024 Jan
Heat or hot waterApt 2E class C · closed
2023 Dec
Rubbish and cleanliness class B · closed
2023 Nov
Other conditions class I · paperwork · closed
2023 Apr
Other conditions class B
2023 Apr
Walls, floors and stairsApt 1B class A
2019 Feb
Mold class B
2016 Dec
Walls, floors and stairs class A
2016 Dec
Walls, floors and stairsApt 1C class A
2016 Dec
Walls, floors and stairsApt 1C class B
1993 Jan
Fire safetyApt 2D class B · never closed
1993 Jan
Smoke or CO detectorsApt 2D class B · never closed
1992 Dec
Smoke or CO detectorsApt 2D class B · never closed
1979 Jul
Walls, floors and stairsApt 2C class A · never closed
1979 Jul
Walls, floors and stairsApt 2C class B · never closed
1979 Jul
Walls, floors and stairsApt 2C class A · never closed
1979 Jul
Walls, floors and stairs class A · never closed
1979 Jul
Walls, floors and stairsApt 2C class B · never closed
Housing Maintenance Code Violations, as of 2026-10-18 · 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: 3 about building conditions, 4 about filings or paperwork

2025 Nov
Low Pressure Boiler
2024 Oct
BE-EXT-LP Boiler
2023 Nov
BE-EXT-LP Boiler
2023 Nov
BE-EXT-LP Boiler
2023 Nov
BE-EXT-LP Boiler
2017 May
Boilers class - 2
2017 May
Boilers class - 2
DOB Violations, as of 2026-10-18 · 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

7 permits since 1990

2025 Jan
Boiler equipment permit
2024 Jan
Plumbing permit
2024 Jan
Boiler equipment permit
2017 Jun
Plumbing permit, Boiler permit
1992 Nov
Plumbing permit, Boiler permit
and 2 more at the source
DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →
What this counts

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

Everything else on record
2025 Nov
Other conditions class I · paperwork · closed · HPD violation
2025 Mar
Other conditions class B · HPD violation
2025 Jan
Boiler equipment permit
2024 Feb
Doors or windows complaint
2024 Jan
Smoke or CO detectorsApt 2B class B · closed · HPD violation
2024 Jan
Smoke or CO detectorsApt 2B class B · closed · HPD violation
Show 5 more
2024 Jan
Boiler equipment permit
2023 Nov
Other conditions class I · paperwork · closed · HPD violation
2023 Apr
Other conditions class B · HPD violation
1993 Jan
Smoke or CO detectorsApt 2D class B · never closed · HPD violation
1992 Dec
Smoke or CO detectorsApt 2D class B · never closed · HPD 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
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.

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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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.