Building health · MANHATTAN, NY

18 Monroe St

built 1935 · 9 stories · 108 apartments
Also known as 75 Catherine St, 77 Catherine St, 79 Catherine St, 81 Catherine St, 83 Catherine St — one building, several doors.

Apartments named in these records

Apt KI6 1

1 of this building’s 108 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.

Flooding

Issues on record
FEMA flood zone

In a FEMA special flood hazard area: AE, X, X (0.2% annual chance)

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

Heat and hot water

1 complaint, 2025
What has happened here
2025 Dec
Heat or hot waterApt KI6 complaint
Heat and hot water complaints

1 heat or hot water complaint

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · 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 inspection filingsno recordNo boiler filings under this building's ID
  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

No issues on record
Water service lineWhole tax lot

Non-Lead (field inspection)

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

Energy

EnergyWhole tax lot

ENERGY STAR score 93 (2024 report), reported for all of Knickerbocker Village (12 buildings)

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

Resident complaints to the city

1 heat or hot water

2025 Dec
Heat or hot waterApt KI6
Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · 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

1 permits since 1990

2026 Jul
Suspended scaffold permit
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
2026 Jul
Suspended scaffold permit
  • HPD violationsfound0 open
  • 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
Structure and facadeNo data published
  • Facade ratingno recordNo facade filing found for this building
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
  • Landmark statusno recordNot in a historic district on record
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.