NYC Building Data & Insights
Original analysis of 1.8M NYC 311 complaints and 2M HPD violations. Read guides, trends, and reports updated weekly by our research team.
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City-wide complaint analysis and statistical reports.
Building safety and compliance trends grouped by borough.
Deep-dives into local housing quality and risk rankings.
Understanding HPD violation classes and correction windows.
Comparing pricing indexes with actual building maintenance logs.
Actionable guides on tenant rights, laws, and court actions.
Recent Articles
NYC Evictions Report 2026: Evictions Are Back to Pre-Pandemic Levels — and the Bronx Leads
NYC executed 14,879 residential evictions in 2025 — back to the pre-pandemic 2019 level after the eviction moratorium dr…
NYC Mold Report 2026: 84,749 Complaints, 36,158 Open Violations — and Most Are 'Hazardous'
NYC tenants have filed 84,749 mold complaints since January 2024, and the city is carrying 36,158 open HPD mold violatio…
NYC Rat Report 2026: Active-Rat Inspection Failures Fell 21% in 2025 After a 2024 High
NYC health inspectors have run 2.95 million rodent inspections and found active rats 500,131 times. In 2025 the share of…
Greenwich Village Looks Spotless on Paper. The Rat Inspections Say Otherwise. (2024–2026 Data)
Greenwich Village buildings earn Grade A across the board on HPD violations and 311 complaints. But DOHMH rat-inspection…
Brooklyn Heights Building Complaints: Grade-A Blocks With a Heat Problem (2024–2026 Data)
Brooklyn Heights is one of NYC's best-graded historic districts — but across its prewar buildings, heat and hot water is…
NYC Pest Complaints in Apartments: 150,827 Filed Since 2024. The Bronx Leads.
We analyzed 150,827 HPD pest infestation complaints filed since January 2024 — covering bed bugs, cockroaches, and other…