Building health · MANHATTAN, NY

604 Riverside Dr

built 1904 · 6 stories · 32 apartments
Also known as 644 W 138 St — one building, several doors.

Heat and hot water

No issues on record
Heat source

Boiler burning natural gas (Laars MT2V-750), registration current since Mar 2026

Clean Air Tracking System (boiler registrations), as of 2026-10-16 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Mar 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-16 · 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

No issues on record
What has happened here
2024 Aug
Plumbing permit
2011 Nov
Plumbing permit
Water service line

Non-Lead (field inspection)

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

Structure and facade

No issues on record
What has happened here
2024 Jul
General construction permit
2020 Jul
General construction permit
2015 Mar
General construction permit
2014 Jul
General construction permit
2011 Sep
General construction permit
2009 Dec
General construction permit
Show 1 more
2006 Oct
General construction permit
Facade rating

Safe (cycle 9, filed Jul 2021)

DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-17 · See the facade filings at DOB →
What this counts

Most recent facade (FISP) filing in the latest 5-year cycle

  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Apr 2019, last expired Oct 2020
  • 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 2026-10-17
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 Apr 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-16 · See this building's elevators on NYC Open Data →
What this counts

Active elevator devices registered to this building ID

Energy

Energy

ENERGY STAR score 85 (2024 report)

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

16 permits since 1990

2024 Aug
Plumbing permit
2024 Jul
General construction permit
2023 Jun
Antenna permit
2020 Jul
General construction permit
2015 Mar
General construction permit
2014 Jul
General construction permit
2011 Nov
Plumbing permit, General construction permit
2009 Dec
General construction permit
Show 1 more
2006 Oct
General construction permit
and 7 more at the source
DOB NOW: Build – Approved Permits, as of 2026-10-16 · 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
2023 Jun
Antenna permit
2018 Nov
0 open. 2 violations on record in all, 1987–2018 — the 0 most recent are listed here HPD violation
  • HPD violationsfound0 open. 2 violations on record in all, 1987–2018 — the 0 most recent are listed here
  • DOB violationsfound0 open
  • Resident complaints to the cityfoundno complaints

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

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.