Detailed Property Data Glossary

A parcel of land is a tract or plot of land owned by a particular individual.

Parcel boundaries refer to the geographical boundaries of a piece of land or an individual property. ATTOM utilizes geographical information systems (GIS) to provide the precise geometric boundary for each plot.

Parquet is a columnar file format used for storing and processing large datasets efficiently. It is commonly used in cloud data environments and supports high-performance analytics and AI workflows by enabling faster query performance and reduced storage requirements.

The percentage of housing units (from the U.S. Census bureau) that received at least one foreclosure filing during the year.

Details basic information about each point of interest - Address and Latitude/Longitude, Distance from the search location, contact information and franchise information

Polluters were found using the Toxic Release Inventory Program. The goal of the Toxics Release Inventory program is to provide communities with information about toxic chemical releases and waste management activities and to support informed decision making at all levels by industry, government, non-governmental organizations, and the public.

Population refers to the number of individuals living in a select location. Demographic data on population size is predominantly derived from the census.

A postal zip code are the five or nine digit numbers tied to a postal address, brought into force by the United States Postal Service (USPS) to simplify mail delivery.

Property data covers millions of properties nationwide with property characteristics that include: number of bedrooms/bathrooms, fire resistance, lot width & depth, sewer, square footage, porch or balcony, lot size in square feet or acres, type of heating and/or cooling system, construction material, lot number, electrical and more.

The combination of property, ownership, mortgage, neighborhood, environmental, and market data to generate actionable insights that support real estate, lending, insurance, investment, and AI applications.

Property use refers to the level of risk and related price of a property based on its use, as pertaining to a mortgage. Properties are characterized as low-risk - primary residence use, medium risk - second home use, and high risk - for use as an investment property.