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Detailed Property Data Glossary

Better understand ATTOM Data Solutions elements, report definitions, real estate insight and industry knowledge.

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There are currently 11 terms in this directory beginning with the letter S.
Sales History
Sales history data is all the transactions relevant for a piece of property derived from recorded sales deeds and loan data. Anyone who needs to research, prove ownership, or file a transfer or transaction for a specific property. Dataset includes a complete sales history of a property going back to 1988.
Sales Trends
Sales trends are aggregated from the zip code and city-level down to subdivisions and neighborhoods. The data is updated monthly, quarterly or annually.
ATTOM's nationwide school data spans private and public schools (K-12), school districts, colleges, and universities.
School Attendance
School attendance zones are the geographic areas surrounding a school within which students need to live. ATTOM's comprehensive data on school attendance zones is derived from GIS data, map images, and school address lists.
School Boundaries
Students are required to live within school boundaries in order to attend the school in question. ATTOM provides the largest database on school boundaries, covering 67,274 school boundaries.
School District Boundaries
School district boundaries refer to the geographical districts served by certain schools. ATTOM covers school district boundaries for the whole of the U.S., covering 13,462 district boundaries.
Seriously Underwater
Loan to value ratio of 125 percent or above, meaning the property owner owed at least 25 percent more than the estimated market value of the property
Short Sale
A sale of a property where the sale price is less than (short) the combined amount of loans secured by the property.
Superfund Active
A non-archived Superfund site at which site assessment, removal, remedial, enforcement, cost recovery, or oversight activities are being planned or conducted under the Superfund/CERCLIS program.
Superfund Archived
 A Superfund site that has no further interest under the Federal Superfund Program based on available information and is no longer part of the CERCLIS inventory.
A Superfund site is any land in the United States that has been contaminated by hazardous waste and identified by the Environmental Protection Agency (EPA) as a candidate for cleanup because it poses a risk to human health and/or the environment.

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