Data reports
Original analysis of NYC housing data, with charts and infographics you can cite. Every figure links to its public dataset.
NYC Immediately Hazardous (Class C) Housing Violations by Year
HPD issued 278,184 immediately hazardous Class C violations in 2025, three times the 2015 count. See the trend by year and borough, and how many are still open.
Updated Oct 12, 2026
When HPD Fixes It: NYC Emergency Repair Charges
HPD created 23,572 emergency repair orders in 2025 worth $57.0 million in contractor awards. See the trend since 2016, the work types and the boroughs.
Updated Oct 12, 2026
The 25 Most Common HPD Housing Violations in NYC
The housing code violations HPD issued most in 2025, from bedbug report filings to roaches, mice, self-closing doors and smoke detectors, in plain English.
Updated Oct 12, 2026
What NYC Tenants Complain About Most
NYC tenants made 532,962 housing complaints to HPD in 2025. Heat was 59% of them. See every category, the winter vs summer mix, and the top problems.
Updated Oct 12, 2026
NYC Residential Noise Complaints by Hour, Day and Borough
New Yorkers filed 432,431 residential noise complaints to 311 in the year to Sept 2026. See peak hours, busiest days, top ZIPs and the noise types by borough.
Updated Oct 12, 2026
NYC Affordable Housing Production by Borough and Income Level
HPD counts 320,946 affordable homes started since 2014. See new construction vs preservation, income levels by borough and council district rankings.
Updated Oct 12, 2026
Construction at Night: NYC After-Hours Work Permits
DOB approved 257,113 after-hours construction work periods in 2025, 88% within 200 feet of a home. See the reasons, weekend share and top neighborhoods.
Updated Oct 12, 2026
NYC Alternative Enforcement Program Buildings, 2007–2026
HPD has made 4,387 AEP selections since 2007. 862 buildings with 17,809 units are still active. See every round, how many got out, and where they are.
Updated Oct 12, 2026
Roaches, Mice and Rats: NYC Apartment Pest Complaints
NYC tenants reported 72,598 pest problems to HPD in 2025, 80% of them mice or roaches. See the top neighborhoods, the fall peak and the trend since 2019.
Updated Oct 12, 2026
NYC Bed Bug Reports by Borough: What Landlord Filings Show
NYC landlords reported 5,548 bed bug-infested apartments for the year ending October 2025, about 2.3 per 1,000 units. See rates by borough, ZIP and year.
Updated Oct 12, 2026
How Old Are NYC's Buildings? Year Built by Borough
Nearly half of NYC's residential units sit in buildings finished before 1940. See year built by decade and borough from the city's PLUTO tax lot data.
Updated Oct 12, 2026
NYC Building Energy Scores: How Apartment Buildings Rate
How large NYC apartment buildings score on energy: ENERGY STAR scores, letter grades and energy use by borough and building age, from Local Law 84 data.
Updated Oct 12, 2026
NYC Council District Housing Report Card
All 51 NYC council districts ranked on 2025 Class C housing violations, 2025-26 heat complaints and 2025 evictions, per 1,000 homes, from city open data.
Updated Oct 12, 2026
DOB Complaints: Illegal Apartments, No-Permit Work and More
New Yorkers sent 103,068 complaints to the Buildings Department via 311 in 2025. 15,134 were about illegal conversions, over half in Queens. See the data.
Updated Oct 12, 2026
DOB Safety Violations: Boilers, Elevators, Benchmarking and LL97
DOB issued 149,069 safety violations in 2025, most for missed gas piping, boiler and elevator filings. See every code in plain English, by borough, plus LL97.
Updated Oct 12, 2026
NYC Elevators: Inspections, Violations and Complaints
NYC has 81,378 active elevators in 39,795 buildings. See how many lack a 2025 safety test, the violations DOB issues for missed filings, and 311 complaints.
Updated Oct 12, 2026
Where NYC Evictions Happen: ZIPs and Council Districts
NYC marshals executed 17,791 residential evictions in 2025. See the top ZIPs and neighborhoods, plus eviction rates per 1,000 homes in all 51 council districts.
Updated Oct 12, 2026
NYC Evictions by Year: Marshal-Executed Evictions Since 2017
NYC marshals carried out 17,791 residential evictions in 2025, 4% more than in 2019. See evictions by year, month and borough from NYC Open Data.
Updated Oct 12, 2026
NYC Facade Inspections: How Many Buildings Are Unsafe?
Of 16,400 NYC buildings in facade inspection Cycle 9, 1,471 are now listed Unsafe and 2,220 show no report filed. See results by borough, cycle and penalties.
Updated Oct 12, 2026
Which NYC ZIPs and Buildings Get the Most Heat Complaints
Half of NYC heat complaints in 2025-26 came from about 5% of the properties that had any. See the top ZIP codes and how concentrated the complaints are.
Updated Oct 12, 2026
NYC Heat and Hot Water Complaints: 2025-26 Season vs Last Season
NYC tenants filed 340,196 heat and hot water complaints in the 2025-26 heat season, up 22% on 2024-25. See the monthly trend, borough totals and 59 districts.
Updated Oct 12, 2026
NYC Heat Sensor and Underlying Conditions Program Buildings
HPD has made 200 Heat Sensor Program selections and issued 700 mold and leak orders since 2013. See them by year, borough, neighborhood and status.
Updated Oct 12, 2026
NYC Home Sales and Median Prices by Borough
Median NYC home sale prices by borough and property type, Sep 2025 to Aug 2026, from city sales records: houses, condos, co-ops and monthly sales counts.
Updated Oct 12, 2026
NYC Housing Connect Lotteries: Units, Incomes and Bedrooms
Housing Connect advertised 64,622 affordable units in 1,754 lotteries since mid-2020. See units by year, income band, bedroom size and borough from HPD data.
Updated Oct 12, 2026
HPD Housing Court Cases: Heat, Repairs and Harassment
HPD opened or joined 10,485 Housing Court cases in 2025. See tenant repair, harassment and heat case trends since 2015 by borough, with each case type defined.
Updated Oct 12, 2026
NYC Housing Stock: Homes, Walk-Ups and Elevator Buildings
How NYC's 3.7 million recorded homes split between one- and two-family houses, walk-ups, elevator buildings and condos, by borough, from PLUTO tax lot data.
Updated Oct 12, 2026
NYC Landmark and Historic District Buildings by Era and Style
LPC data lists 38,105 landmark and historic district building records in NYC. See them by borough, construction decade, architectural style and district.
Updated Oct 12, 2026
Lead Paint Violations in NYC Apartments by Year and Borough
HPD issued 24,199 lead paint violations from 2025 inspections, double the 2016 count. See the trend, boroughs, top ZIPs and what HPD spent on lead repairs.
Updated Oct 12, 2026
Mold in NYC Apartments: Complaints and Violations Trend
Mold complaints to HPD rose 51% from 2019 to 2024, then dipped in 2025. See how many became violations, the borough split and the Underlying Conditions Program.
Updated Oct 12, 2026
NYC Neighborhood Home Prices: Median Sale Price Rankings
NYC neighborhoods ranked by median home sale price, Sep 2025 to Aug 2026, with sales counts and house price per square foot, from city sales records.
Updated Oct 12, 2026
NYC New Building Applications: What's Coming Next
New building filings in DOB NOW proposed 41,574 homes in NYC in 2025, and 2026 is running ahead. See filings by year, units by borough and top neighborhoods.
Updated Oct 12, 2026
New NYC Homes: Certificates of Occupancy by Year
DOB legacy certificate of occupancy data shows 22,251 net new NYC homes completed in 2025, led by Brooklyn. Units by year, borough, area and the data gaps.
Updated Oct 12, 2026
NYC Rat Inspections: Failure Rates by Borough and Neighborhood
In 2025, 17.8% of NYC initial rat inspections found active rat signs. See failure rates by borough, year and neighborhood from Health Department data.
Updated Oct 12, 2026
Rent-Impairing Violations in NYC: How Many and Where
HPD flagged 67,393 violations from 2025 inspections as rent impairing, 7.3% of the total. See the trend since 2018, the top ZIPs and how many are still open.
Updated Oct 12, 2026
NYC Sidewalk Sheds and Scaffolds: Permits by Borough
DOB issued 11,947 sidewalk shed permits in 2025, and 7,712 are active now. See the trend since 2019, the borough split, the 90-day rule and top neighborhoods.
Updated Oct 12, 2026
NYC Speculation Watch List: Rent-Regulated Building Sales
HPD put 797 of 1,720 qualifying rent-regulated building sales on its Speculation Watch List from 2018 to 2025. See sales by quarter, borough and cap rate gap.
Updated Oct 12, 2026
NYC Tax Lien Sale List: Which Properties Are on It
29,972 NYC properties got a 90-day lien sale notice in 2025 and 4,545 were in the June sale. See the lists by borough, tax class, building type and water debt.
Updated Oct 12, 2026
Tenant Harassment Findings in NYC Housing Court
Of 23,122 tenant harassment cases in HPD litigation records, 337 ended in a finding of harassment. See findings by year and borough, and the penalties recorded.
Updated Oct 12, 2026
HPD Vacate Orders: Why NYC Buildings Get Emptied
HPD has issued 8,925 vacate orders since 2012, most after fires. See orders by reason, year and borough, how many units are affected and how long orders last.
Updated Oct 12, 2026
NYC Window Guard Violations: Counts, Trends and Hot Spots
HPD issued 6,387 window guard violations in 2025, about half the 2019 level. See the trend since 2016, the borough split, order numbers and the top ZIP codes.
Updated Oct 12, 2026