1645 1 Ave

Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
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 2026-10-19

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

General condition and all records

DOB violations

28 open: 10 about building conditions, 1 about filings or paperwork, 17 older than 10 years

Show 17 more

Construction class - 3 · never closed

2015 Jun

Boilers class - 2 · never closed

2014 Mar

Construction class - 1 · never closed

2014 Mar

Construction class - 1 · never closed

2014 Mar

Plumbing class - 1 · never closed

2014 Jan

Construction class - 1 · never closed

2014 Jan

Construction class - 1 · never closed

2012 Jan

Plumbing class - 2 · never closed

2008 Dec

Construction class - 1 · never closed

2008 Dec

Construction class - 1 · never closed

2007 Oct

Plumbing non-hazardous · never closed

2007 Oct

Plumbing hazardous · never closed

2007 Mar

Construction never closed

2005 Aug

Construction never closed

2005 Aug

Construction never closed

and 3 more at the source

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

Permit history

2 permits since 1990

2021 May

General construction permit

2010 Mar

Sprinklers permit

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

Everything else on record

2005 Jan

Other conditions class B · never closed · HPD violation

HPD violationsfound0 open. Also 10 older records from 1996–2016 never closed. 52 violations on record in all, 1996–2021 — the 10 most recent are listed here
Resident complaints to the cityfoundno complaints. None in the last 2 years, but 1 earlier complaint on record from 2024

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

Energyno record

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

ElevatorsNot applicable

Elevatorsnot requiredNo elevators registered to this building

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.

Apartments named in these records

Heat and hot water

Water and pipes

Pests and cleanliness

Fire and safety

Electrical

Structure and facade

Flooding

General condition and all records

Nothing on record

Sources

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