Building record from city data · MANHATTAN, NY

23 Lexington Ave

Printed 2026-10-20 from blueflo.tech/b/23-lexington-avenue-manhattan, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).

Also known as 135 E 23 St, 140 E 24 St, 31 Lexington Ave — one building, several doors.

built 1929 · 17 stories · 26 apartments on its tax lot · BIN 1018041 · BBL 1008790023

Worth knowing
Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
Source: NYC Stormwater Flood Maps, PLUTO (tax lot data) · as of 2024-07-03
Worth knowing
Also on record
Clean in the records
Registered with the city

23 LEXINGTON ASSOCIATES LLC, BLDG PARTNERSHIP, 76 L.P.

Worth knowing
Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
Source: NYC Stormwater Flood Maps, PLUTO (tax lot data) · as of 2024-07-03

Apartments named in these records

1 of this building’s 26 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.

Heat and hot water

Issues on record
Heat source

Boiler burning No. 4 oil (Federal FST-200), registration cancelled since Jun 2021

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Apr 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · 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

Flooding

Issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20
What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Deep and contiguous flooding (1 ft+); 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

Water and pipes

No issues on record
What has happened here
Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Issues on record, most recently 2023

Fire and safety

2 resolved since 2024

Structure and facade

Issues on record, most recently 2023
Facade rating

Safe with a repair and maintenance program (cycle 9, filed Apr 2022)

DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-19 · 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 Oct 2017, last expired Oct 2018
  • Landmark statusno recordNot in a historic district on record

Elevators

Issues on record, most recently 2025

Energy

Energy

ENERGY STAR score 94 (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

14 open: 2 about building conditions — mold (1), walls, floors and stairs (1), 12 about paperwork or notices. 2 further violations from 2024 were closed. 65 violations on record in all, 1990–2026 — the 16 most recent are listed here

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

  • 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

Each date is when we last checked that dataset, not when the record itself was created.