How safe is your building?
9 datasets from 5 city agencies. 22 million records. 198,000+ residential buildings.
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NYC Building Safety for Everyone
Comprehensive building data for tenants, apartment seekers, and real estate professionals.
Tenants
Know what's happening in your building — and what to do about it.
Your Building, Your Safety
Filter by your unit, see safety grades vs. citywide data, and detect illegal TCO renewals — all from official city records.
Court-Ready Documentation
Generate Housing Court reports with legal citations, ask questions about your building, and access NYC housing law explanations.
Ask About Your Building
Ask questions in plain language. Get answers grounded in real city data — violations, permits, complaints, and ownership history.
Illegal TCO Detection
See if your building's TCO is expired or renewed illegally while hazardous violations existed — both illegal under NYC law.
Apartment Seeker
Check any building before you sign a lease.
Pre-Lease Building Check
See lead paint, pest history, fire safety issues, and how the building compares citywide.
Smoking Risk Assessment
Check if a building has rent-stabilized units that may prevent no-smoking policy enforcement.
Safety Grade & Rankings
At-a-glance safety grades with citywide percentile rankings and violation history.
Pros
Portfolio intelligence, owner networks, and full data access.
Owner Intelligence
See an owner's full portfolio, corporate network, and performance compared to every other NYC owner.
Timeline & Heatmap
Interactive building history visualization — violations, permits, complaints, and TCO renewals over time.
Housing Law Reference
Searchable NYC housing statutes with plain-English explanations and relevant code sections.
Know what's happening in your building
Free for tenants. Search any address in NYC and see violations, permits, complaints, and ownership history.