Building health · MANHATTAN, NY

511 W 20 St

built 1920 · 5 stories · 3 apartments on its tax lot
Registered with the city: IS-ILA REALTY CORP

The building’s record over time

Filings, permits, complaints and violations from city records, newest first. Highlighted rows are unresolved and from the last year; older unresolved records are marked “never closed”. Tap any row to read it on the agency’s own site.
2026 Jul
Alteration permit
DOB NOW: Build – Approved Permits
2025 Oct
Sign permit
2021 Jan
Sign permit
2020 Dec
Plumbing permit, Boiler permit, General construction permit
2020 Oct
Latest boiler work permit 2020 (4 on record)
DOB Permit Issuance (BIS)
2020 Mar
Sign permit
DOB NOW: Build – Approved Permits
2018 May
Sign permit
2014 Jun
Sign permit
2014 Jan
Heating/ventilation permit
2007 Sep
In a FEMA special flood hazard area: AE
FEMA National Flood Hazard Layer
1997 Jan
Local Law 10/81 - Elevator never closed
DOB Violations
1920
Built
PLUTO (tax lot data)
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Dates are the city's record dates, shown to the month.
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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