What we check
Nine NYC Open Data sources, every lookup.
We pull live records from NYC.gov for the building you ask about and link every count back to the original source so you can verify it.
HPD Housing Maintenance Code Violations
Every Class A/B/C/I violation issued under the NYC Housing Maintenance Code. Open vs. closed status with compliance deadlines.
HPD · refresh: Daily
HPD Multiple Dwelling Registrations
Every legally registered residential building in NYC. Tells us whether the building is currently in compliance with HPD’s annual filing requirement.
HPD · refresh: Weekly
HPD Registration Contacts
The named owner, head officer, and managing agent on file for the building. We use this to identify the registered owner and roll up multi-building portfolios.
HPD · refresh: Weekly
DOB Complaints
Construction and safety complaints filed against the building, including the disposition once DOB has investigated.
DOB · refresh: Daily
311 Housing Service Requests
Resident-filed 311 calls about heat, hot water, mold, vermin, and other housing conditions. We surface those in the Housing complaint type.
311 / DOITT · refresh: Daily
NYC Marshal Evictions
Evictions actually executed by NYC marshals. Counts only completed evictions, not filings.
DOI · refresh: Daily
Bedbug Reports
NYC requires annual bedbug-history filings. We surface whether any bedbug infestations have been reported in the building.
HPD · refresh: Annual
Lead Paint History
Lead-paint violations and inspections in pre-1960 buildings, where children under 6 reside.
HPD · refresh: On change
Worst Landlord Watchlist
The Public Advocate’s annual list of landlords with the worst HPD violation profiles. We match by registered-owner name; rank is informational, not a legal determination.
NYC Public Advocate · refresh: Monthly
ManhattanBorough 1
BronxBorough 2
BrooklynBorough 3
QueensBorough 4
Staten IslandBorough 5
What we don’t cover yet
ACRIS deeds (true title chain across LLCs)
NYCDB landlord-portfolio joins
Cities outside NYC — drop your email and we’ll let you know when we expand
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