Building health · MANHATTAN, NY

18 Mercer St

built 1861 · 6 stories · 6 apartments

Apartments named in these records

2 of this building’s 6 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

Heat and hot water

Issues on record (2023) · 1 complaint, 2025
Heat source

Boiler burning natural gas (H.B. Smith G300-S/W-7), registration current since Jan 2025

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 Jun 2026, 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 permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

2 complaints, 2026

Pests and cleanliness

2 complaints, 2025–2026 · 1 in the past year

Fire and safety

Issues on record, most recently 2024

Electrical

1 complaint, 2026
What has happened here

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

Elevators

No issues on record
Elevators

1 active elevator; latest periodic inspection Jun 2025

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · See this building's elevators on NYC Open Data →
What this counts

Active elevator devices registered to this building ID

Gas

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

General condition and all records

HPD violations

6 open: 6 about building conditions — walls, floors and stairs (3), fire safety (2), doors and windows (1); 3 immediately hazardous (class C). Also 3 older records from 2016 never closed. 25 further violations from 2024–2025 were closed. 62 violations on record in all, 2016–2026 — the 35 most recent are listed here

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

2 open: 2 about building conditions

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

Resident complaints to the city

3 floors or stairs, 2 appliances, 2 doors or windows, 2 electrical, 2 plumbing, 1 general repairs, 1 heat or hot water, 1 mold, 1 outside the building, 1 unsanitary conditions

Housing Maintenance Code Complaints and Problems, as of 2026-10-18 · 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

16 permits since 1990

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

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
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft

Sources

23 datasets

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.