Building health · MANHATTAN, NY

263 W End Ave

built 1946 · 23 stories · 119 apartments
Also known as 301 W 72 St — one building, several doors.
Registered with the city: RIVERSIDE TOWERS CORP; RIVERSIDE TOWERS CORP C/O BHS

Heat and hot water

No issues on record
Heat source

Boiler burning No. 2 oil (Federal FST-250), registration current since Nov 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 Jan 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

Older records on file
What has happened here
2026 May
Plumbing permit
2024 Oct
Plumbing permit
2022 Nov
Plumbing permit
2018 Sep
Leaks class A · HPD violation
Water service line

Non-Lead (field inspection)

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

Structure and facade

Issues on record, most recently 2022
What has happened here
2024 Oct
General construction permit
2024 Aug
General construction permit
2024 Jul
General construction permit
2023 Jun
General construction permit
2022 Nov
Construction DOB violation
2022 Feb
Failure To Correct Swarmp Conditions (Facade) DOB violation
Show 1 more
2018 Apr
Walls, floors and stairs class A · paperwork · HPD violation
Facade rating

Safe (cycle 10, filed Apr 2025)

DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-18 · See the facade filings at DOB →
What this counts

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

Landmark statusWhole tax lot

In the West End-Collegiate Historic District Extension

PLUTO (tax lot data), as of 2026-08-24
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Feb 2024, last expired Nov 2024

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

2 active elevators; latest periodic inspection Aug 2026

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

What has happened here
2025 Sep
PL-PER Gas Piping - LL152 DOB violation
Gas piping

Open violation for not filing the periodic gas piping inspection (2025)

DOB Safety Violations, as of 2026-10-18
What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

Energy

Energy

ENERGY STAR score 74 (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

HPD violations

2 open: 1 about building conditions — leaks (1), 1 about paperwork or notices. 4 violations on record in all, 2016–2018 — the 2 most recent are listed here

2018 Sep
Leaks class A
2018 Apr
Walls, floors and stairs class A · paperwork
Housing Maintenance Code Violations, as of 2026-10-19 · 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

6 open: 1 about building conditions, 5 about filings or paperwork

2026 Sep
EN-BENCH Benchmarking - LL84
2025 Sep
PL-PER Gas Piping - LL152
2022 Nov
Construction
2022 Feb
Failure To Correct Swarmp Conditions (Facade)
2021 Dec
Failure To Post Energy Grade/Score
2021 Apr
Failure To Post Energy Grade/Score
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

Everything else on record
2026 Sep
EN-BENCH Benchmarking - LL84 DOB violation
2024 Mar
Supported scaffold permit
2023 Aug
Protection and mechanical methods permit
2023 Aug
Protection and mechanical methods permit
2021 Dec
Failure To Post Energy Grade/Score DOB violation
2021 Apr
Failure To Post Energy Grade/Score DOB violation
  • 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

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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