Building health · MANHATTAN, NY

303 Mercer St

built 1900 · 6 stories · 40 apartments
Registered with the city: GROGAN & ASSOC INC; SNUG HARBOR OWNERS CORP. · 1 other building here list it; SNUG HARBOR OWNERS INC · 1 other building here list it

Heat and hot water

No issues on record
Heat source

Boiler burning natural gas (Rockmills MP-175), registration current since Jun 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 Aug 2026, 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 2001

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 complaintsfound0 heat or hot water complaints

Water and pipes

No issues on record
Water service lineWhole tax lot

Non-Lead (statistical analysis/predictive model)

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

Fire and safety

Older records on file

Structure and facade

No issues on record
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Dec 2021, last expired Sep 2022
  • 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

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

Elevators

No issues on record
Elevators

2 active elevators; latest periodic inspection Jan 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

Energy

EnergyWhole tax lot

ENERGY STAR score 87 (2024 report), reported for all of 258-262 Greene Street (Parent Property) (2 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

Permit history

119 permits since 1990

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

  • HPD violationsfound0 open. Also 1 older record from 1985 never closed. 1 further violation from 2023 was closed. 9 violations on record in all, 1985–2023 — the 2 most recent are listed here
  • DOB violationsfound0 open
  • Resident complaints to the cityfoundno complaints
  • SalesfoundNo recorded sale since 2016; 34 apartment sales since 2016

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

Sources

24 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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