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Directory of NYC Housing Programs »

Data Dictionary

Address

The address of any building within the given property.

Adult Incarceration Rate (per 100,000 people age 15 or older)

The number of people incarcerated as a result of crimes committed in the city or borough, regardless of the individual’s residence.
Sources: New York State Division of Criminal Justice Services, United States Census, NYU Furman Center

Agency

The agency that authorized/issued the subsidy and is party to the regulatory agreement.

Born in New York State

The percentage of city residents who were born in New York State.
Sources: United States Census, American Community Survey, NYU Furman Center

Borough

The New York City borough where the property is located. Boroughs are coterminous with counties.

Borough-Block-Lot

A unique parcel identifier for a property lot in New York City. It consists of three numbers: the borough, which is one digit (coded alphabetically 1-5); the block number, which is up to five digits; and the lot number, which is up to four digits. 

Building Count

The number of buildings included in the property.

Car-Free Commute (% of commuters)

The percentage of workers who commute primarily by foot, bicycle, or public transportation, as a share of all workers over the age of 16 who do not work at home.
Sources: United States Census, American Community Survey, NYU Furman Center

Census Tract

The census tract where the property is located. Census tracts are small, statistical subdivisions of a county delineated by U.S. Census Bureau guidelines.

City and State Programs

Descriptions of the New York City and New York State affordable housing programs included in CoreData.nyc, and notes on methodology by program can be found in the Directory of NYC Housing Programs.  

City Council District

The City Council District where the property is located. The law-making body of New York City is comprised of 51 separate City Council districts throughout the five boroughs.
Note: City Council Districts can be added to maps as a visual boundary, but no indicators are aggregated at this geographic level.

Community District

The community district (CD) where the property is located. CDs are local-level political units unique to New York City. There are 59 CDs throughout the five boroughs. The name approximates the neighborhoods within the CD, and is not an official designation.

Congressional District

The Congressional District where the property is located.
Note: Congressional Districts can be added to maps as a visual boundary, but no indicators are aggregated at this geographic level.

Disabled Population

The percentage of the adult population who have disabilities that impair hearing, vision, ambulation, cognition, self-care, or independent living.
Sources: American Community Survey, NYU Furman Center

Disconnected Youth

The percentage of people aged 16 to 19 who were neither enrolled in school nor participating in the labor force.
Sources: United States Census, American Community Survey, NYU Furman Center

DOF Assessed Value

The assessed total value of the property, in dollars, as determined by the New York City Department of Finance.

End Date

Date the requirements associated with the subsidy (and this subsidy only) end or expire. If the property is permanently affordable (no foreseeable end-date), the End Date is listed as blank. Some properties (e.g. Mitchell-Lama) the end date reflects the opt-out date. See the CoreData.nyc notes for specific programs for more information in the Directory of NYC Housing Programs.

FHA/VA-Backed Home Purchase Loans

The percentage of all first-lien loan originations, for the purchase of an owner-occupied home, condominium, or cooperative apartment that were insured or guaranteed by the Federal Housing Administration or the U.S. Department of Veteran Affairs, as reported by the Home Mortgage Disclosure Act.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Foreclosure Filings (all residential properties)

The total number of residential properties that had mortgage foreclosure actions initiated against them.
Sources: Public Data Corporation, New York City Department of Finance Final Tax Roll File, NYU Furman Center

Foreign-Born Population

The share of the population that is born outside the United States or Puerto Rico.
Sources: United States Census, American Community Survey, NYU Furman Center

Higher-Cost Home Purchase Loans

The percentage of all first-lien loan originations, for the purchase of an owner-occupied 1-4 family home, that were reported as “higher cost” under the Home Mortgage Disclosure Act.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Higher-Cost Refinance Loans

The percentage of loan originations, for the refinancing of an owner-occupied 1-4 family home, that were reported as “higher cost” under the Home Mortgage Disclosure Act.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Home Purchase Loan Rate

The number of first-lien home purchase loan originations for owner-occupied 1-4 family buildings, condominiums, or cooperative apartments  divided by the total number of 1-4 family buildings, condominiums, and cooperative apartments.
Sources: Home Mortgage Disclosure Act, New York City Department of Finance Final Tax Roll, NYU Furman Center

Home Purchase Loans in LMI Tracts

The share of all first-lien loans, for the purchase of an owner-occupied 1-4 family building, condominium, or cooperative apartment, that were originated for homes in low- to moderate-income census tracts.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Home Purchase Loans to LMI Borrowers

The share of all first-lien loan originations, for the purchase of an owner-occupied 1-4 family building, condominium, or cooperative apartment, that were made to low- to moderate-income borrowers.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Homeownership Rate

The number of owner-occupied units divided by the total number of occupied housing units.
Sources: United States Census, American Community Survey, NYU Furman Center 

Households with Children Under 18

The percentage of households living with children under 18.
Sources: United States Census, American Community Survey

Housing Choice Vouchers

The share of all rental households in privately owned units whose occupants use a housing choice voucher from the U.S. Department of Housing and Urban Development.
Sources: Picture of Subsidized Households, American Community Survey, New York City Housing Authority, NYU Furman Center

Housing Code Violations

Designates whether the property has been issued a Class C (immediately hazardous) Housing Code Violation by the New York City Department of Housing Preservation and Development between the start of January and the end of December, 2015.
Sources: New York City Department of Housing Preservation and Development, NYU Furman Center

Housing Units

A house, apartment, mobile home, group of rooms, or single room that is occupied (or is vacant and intended for occupancy) as separate living quarters.
Sources: United States Census, American Community Survey, NYU Furman Center

Income Diversity Ratio

The income earned by the 80th percentile household divided by the income earned by the 20th percentile household for a given geographic area, excluding all households without positive income.
Sources: United States Census, American Community Survey, Integrated Public Use Microdata Series, NYU Furman Center

Index of Home Purchase Loan Originations

The annual volume of home purchase loan originations compared to 2004.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Index of Housing Price Appreciation

The average price changes in repeated sales of the same properties. 
Sources: New York City Department of Finance (DOF), Automated City Register Information System (ACRIS), NYU Furman Center

Index of Refinance Originations

The annual volume of refinance loan originations compared to 2004.
Sources: Home Mortgage Disclosure Act, NYU Furman Center

Labor Force Participation Rate

The number of people aged 16 years and older who are in the civilian labor force, divided by the total number of non-institutionalized people aged 16 years and older.
Sources: United States Census, American Community Survey, NYU Furman Center

Lots Regulated by the LPC

A lot covered by a historic district or designated as an individual or interior landmark by the New York City Landmarks Preservation Commission.
Sources: New York City Landmarks Preservation Commission, NYU Furman Center

Mean Travel Time to Work (minutes)

The mean commute time in minutes for commuters residing in the geographic area.
Sources: United States Census, American Community Survey, NYU Furman Center

Median Household Income

The total income of all members of a household aged 15 years or older. Includes both homeowner households and renter households.
Sources: United States Census, American Community Survey, NYU Furman Center

Median Rent (all renters, recent movers, studios and one-bedrooms, two- and three- bedrooms)

The median gross rent which includes the amount agreed to or specified in the lease regardless of whether furnishings, utilities, or services are included; and estimated monthly electricity and heating fuel costs paid by the renter.
Sources: United States Census, American Community Survey, NYU Furman Center

Median Rent (asking)

The median rent that landlords advertise for housing units available for rent.
Source: StreetEasy, NYU Furman Center

Median Rent Burden

The median percentage of gross, pre-tax income spent on gross rent by NYC renter households.
Sources: United States Census, American Community Survey, NYU Furman Center

Median Sales Price per Unit (by housing type)

The median price per unit for one unit buildings, two- to four-unit buildings or condominiums, and multifamily buildings, whichever had a greater number of sales.
Sources: New York City Department of Finance, Automated City Register Information System (ACRIS), NYU Furman Center

Moderately Rent Burdened Households (% of all, low-income, and moderate-income households)

The share of renter households whose gross rent made up at least 30 percent of their monthly pre-tax income.
Sources: United States Census, American Community Survey, US Department of Housing and Urban Development Section 8/HOME Program Income Guidelines, NYU Furman Center

Notices of Foreclosure Rate (per 1,000 1-4 family and condo units)

The rate of mortgage foreclosure actions initiated per 1,000 1-4 family properties and condominium units.
Sources: Public Data Corporation, New York City Department of Finance Final Tax Roll File, NYU Furman Center

Notices of Foreclosure, Initial/Repeat (1-4 family and condo properties)

This indicator distinguishes between a new lis pendens and a repeat filing issued to a property that already received a lis pendens in the past six years.
Sources: Public Data Corporation, New York City Department of Finance Final Tax Roll File, NYU Furman Center

Owner

The person or entity that owns the property, as reported by the New York City Department of Finance.

Population

All people, both children and adults, living in a given geographic area.
Sources: United States Census, American Community Survey, NYU Furman Center

Population Aged 25+ with a Bachelor’s Degree or Higher

The percentage of the population aged 25 and older who have attained a bachelor's degree or higher.
Sources: United States Census, American Community Survey, NYU Furman Center

Population Aged 25+ without a High School Diploma

The percentage of the population aged 25 and older who have not graduated from high school or received a GED.
Sources: United States Census, American Community Survey, NYU Furman Center

Population Aged 65 and Older

The percentage of residents who are aged 65 years and older.
Sources: United States Census, American Community Survey, NYU Furman Center

Population Density (1,000 persons per square mile)

The geographic area’s population divided by its land area.
Sources: United States Census, American Community Survey, NYU Furman Center

Poverty Rate

The number of people below the poverty threshold divided by the number of people for whom poverty status was determined.
Sources: United States Census, American Community Survey, NYU Furman Center

Poverty Rate by Age

The number of people in each age group below the poverty line divided by the total population of that age group for whom poverty status was determined.
Sources: United States Census, American Community Survey, NYU Furman Center

Pre-Foreclosure Notice Rate

The number of pre-foreclosure notices issued per 1,000 1-4 family homes and condominium units.
Sources: New York State Department of Financial Services, New York City Department of Finance Final Tax Roll File, NYU Furman Center

Preservation Type

The condition of the building, and inferred purpose of the subsidy at the time of the Start Date (new construction or rehabilitation).  

Preservation Type

Programs that subsidize physical improvements to a property will often specify the property conditions at the start of the program. The subsidy is categorized as either  “New Construction” or “Preservation”.

Project Name

The name of the development, project, or building – where available.

Properties that Entered REO (1–4 family)

The total number of 1-4 family buildings that completed the foreclosure process and were acquired by the foreclosing lender.
Sources: Public Data Corporation, New York City Department of Finance (DOF), Automated City Register Information System (ACRIS), NYU Furman Center

Racial Diversity Index

The probability that two randomly chosen people in a given geographic area will be of a different race.
Sources: United States Census, American Community Survey, NYU Furman Center

Racial/Ethnic Share (Asian, Black, Hispanic, White)

The percentage of the total population made up of each of the following racial/ethnic groups: Asian (non-Hispanic), black (non-Hispanic), Hispanic (of any race), and white (non-Hispanic).
Sources: United States Census, American Community Survey, NYU Furman Center

REAC Score

This is the numeric portion of the U.S. Department of Housing and Urban Development’s (HUD) most recent Real Estate Assessment Center (REAC) score. REAC aims to score a property’s physical condition, on a scale of 0 (worst) to 100 (best) and only pertains to properties in a HUD portfolio.
Sources: U.S. Department of Housing and Urban Development, NYU Furman Center

Refinance Loan Rate (per 1,000 properties)

The number of refinance loans for owner-occupied 1-4 family buildings, condominiums, and cooperative apartments divided by the total number of 1-4 family buildings, condominiums, and cooperative apartments in the given geographic area.
Sources: Home Mortgage Disclosure Act, New York City Department of Finance Final Tax Roll File, NYU Furman Center

Regulatory Tools

Regulatory tools refer to the type of subsidy a property owner has received or is receiving in exchange for providing affordable housing.  The number of rent-restricted units, the length of time those units remain rent-restricted, and the location of those units depends on the regulatory tool type, or subsidy type.  

Other properties associated with the same regulatory agreement (see the Methodology page for additional description).

Rental Units Affordable at 30%, 80%, 120% of AMI (% of recently available units)

The share of occupied, recently available rental units that are affordable to appropriately sized households at various income levels.
Sources: United States Census, American Community Survey, U.S. Department of Housing and Urban Development, Section 8/HOME Program Income Guidelines, NYU Furman Center

Rental Vacancy Rate

The number of vacant, habitable, for-rent units divided by the number of renter-occupied units plus vacant, habitable, for-rent units.
Sources: United States Census, American Community Survey, NYU Furman Center

Residential Units in FEMA Preliminary Flood Hazard Areas

The percentage of residential units that fall in either the 100- or 500-year floodplains in the Federal Emergency Management Agency’s Preliminary Flood Insurance Rate Maps.
Sources: Federal Emergency Management Agency, PLUTO, NYU Furman Center

Residential Units within ¼ Mile of a Park

The percentage of residential units that are within a ¼ mile of a park.
Sources: New York City Department of Parks and Recreation; New York State Office of Parks, Recreation, and Historic Preservation; PLUTO; NYU Furman Center

Residential Units within ½ Mile of a Subway/Rail Entrance

The percentage of residential units that are within a ½ mile walk of a station entrance for the New York City Subway, Long Island Rail Road, PATH, Amtrak, Metro-North Railroad, or Staten Island Railway.
Sources: New York City Department of Transportation, New York City Department of City Planning, NYU Furman Center

Sales Volume (housing type)

The number of transactions of residential properties that have a non-trivial price and the sale must not be marked as “insignificant” by the Department of Finance.
Sources: New York City Department of Finance, Automated City Register Information System (ACRIS), NYU Furman Center

Serious Crime Rate (per 1,000 residents)

The number of serious crimes, those classified as a major felony as defined by the New York City Police Department, committed in a given geographic area per 1,000 residents. At the city and borough levels, we report separate rates for serious property and violent crimes. Serious property crimes include most types of burglary, larceny, and motor vehicle theft. Serious violent crime includes most types of assault, murder (including nonnegligent manslaughter), rape, and robbery.
For community district rates, we aggregating crime rates we first calculate the crime rate for each precinct. If a community district is entirely within one precinct, then that rate is directly used for the community district. If a community district contains portions of more than one precinct, we weight the crime rate from each precinct based on the share of all housing units within the community district that are in that particular precinct.
Sources: New York City Police Department, United States Census, NYU Furman Center

Serious Housing Code Violations (per 1,000 privately owned rental units)

All violations that the Department Housing Preservation and Development defined as class C (“immediately hazardous”) that were opened in a given time period, regardless of their current status.
Sources: New York City Department of Housing Preservation and Development, New York City Department of Finance Final Tax Roll File, New York City Housing Authority, NYU Furman Center

Severe Crowding Rate (% of renter households)

The share of all renter households in which there are more than 1.5 household members for each room in the unit.
Sources: American Community Survey, NYU Furman Center

Severely Rent Burdened Households (% of all, low-income, and moderate-income households)

The share of renter households whose gross rent made up at least 30 percent of their monthly pre-tax income.
Sources: United States Census, American Community Survey, US Department of Housing and Urban Development Section 8/HOME Program Income Guidelines, NYU Furman Center

Single-Person Households

The percentage of households with only one member.
Sources: United States Census, American Community Survey, NYU Furman Center

Start Date

Date the subsidy was issued or when the property was “placed in service”.

State House District

The State House District where the property is located.
Note: State House Districts can be added to maps as a visual boundary, but no indicators are aggregated at this geographic level.

State Senate District

The State Senate District where the property is located.
Note: State Senate Districts can be added to maps as a visual boundary, but no indicators are aggregated at this geographic level.

Students Performing at Grade Level, Fourth Grade (English language arts, math)

The percentage of fourth-grade students performing at or above grade level (termed “proficient”) in English language arts and math.
Sources: New York City Department of Education, NYU Furman Center

Sub-Borough Area

An aggregation of census tracts within county lines containing at least 100,000 people. Sub-borough areas closely align with Community Districts defined by New York City and Public Use Microdata Areas from the U.S. Census Bureau.

Tax Delinquency

A residential property is considered tax delinquent if the tax payment for the property was not received within one year of the due date and the balance due is at least $500.
Sources: New York City Department of Finance, NYU Furman Center

Tenure Type

The terms of occupancy for the property’s residents (for example, rental or co-op).

Total Housing Code Violations (per 1,000 privately owned rental units)

All violations that the Department of Housing Preservation and Development defined as class A (“non-hazardous”), class B (“hazardous”), or class C (“immediately hazardous”) that were opened in a given time period, regardless of their current status.
Sources: New York City Department of Housing Preservation and Development, New York City Department of Finance Final Tax Roll File, New York City Housing Authority, NYU Furman Center

Total Units

The total number of residential units in the property, including both subsidized and unsubsidized units.

Unemployment Rate

The number of people aged 16 years and older in the civilian labor force who are unemployed, divided by the total number of people aged 16 years and older in the civilian labor force.
Sources: United States Census, American Community Survey, NYU Furman Center

Units Authorized by New Residential Building Permits

The number of units authorized by new residential building permits as derived from the building permit and jobs reports of the Department of Buildings.
Sources: New York City Department of Buildings, NYU Furman Center

Units Issued New Certificates of Occupancy

The number of residential units in buildings issued new certificates of occupancy by the Department of Buildings each year.
Sources: New York City Department of Buildings, New York City Department of City Planning, NYU Furman Center

Year Built

The year construction of the property was completed. The data comes from the Department of Finance's Real Property Assessment Database, and is often approximate. Specific buildings in the property may have been finished in different years.