Data dictionary and schema for the property valuation responses.
This page contains a data dictionary and a description of all response fields for our property value estimate and rent estimate endpoints (/avm).
Value Estimate Response Fields
The following response fields are specific to the property value estimate endpoint (/avm/value):
Response Field | Description | Example Value |
|---|---|---|
| Value Estimate The estimated property value, calculated using the RentCast automated valuation model (AVM) |
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| Value Estimate Range - Lower Boundary The lower boundary of the property value estimate range, within which we expect the value estimate to fall with 85% confidence |
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| Value Estimate Range - Upper Boundary The upper boundary of the property value estimate range, within which we expect the value estimate to fall with 85% confidence |
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Rent Estimate Response Fields
The following response fields are specific to the property rent estimate endpoint (/avm/rent/long-term):
Response Field | Description | Example Value |
|---|---|---|
| Rent Estimate The estimated property rent, calculated using the RentCast automated valuation model (AVM) |
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| Rent Estimate Range - Lower Boundary The lower boundary of the property rent estimate range, within which we expect the rent estimate to fall with 85% confidence |
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| Rent Estimate Range - Upper Boundary The upper boundary of the property rent estimate range, within which we expect the rent estimate to fall with 85% confidence |
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Common Response Fields
The following response fields will be returned by both the property value and rent estimate endpoints:
Response Field | Description | Example Value |
|---|---|---|
| Latitude The latitude of the subject property's geographical location |
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| Longitude The longitude of the subject property's geographical location |
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| Comparable Properties A list of comparable properties that were used to calculate the property value or rent estimate |
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| Comparable - Property Id A unique RentCast property identifier |
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| Comparable - Formatted Address The full property address, in the format |
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| Comparable - Address Line 1 The first line of the property street address |
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| Comparable - Address Line 2 The second line of the property street address, typically containing the unit or apartment identifier |
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| Comparable - Address City The city of the property address |
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| Comparable - Address State The state of the property address, as a 2-character abbreviation |
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| Comparable - Address Zip Code The 5-digit zip code of the property address |
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| Comparable - County The county in which the property is located |
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| Comparable - Latitude The latitude of the property's geographical location |
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| Comparable - Longitude The longitude of the property's geographical location |
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| Comparable - Property Type The type of the property. See explanation of property types for possible values |
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| Comparable - Number of Bedrooms The number of bedrooms in the property, with a value of "0" indicating a studio layout |
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| Comparable - Number of Bathrooms The number of bathrooms in the property |
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| Comparable - Living Area (Sq.Ft.) The total indoor living area of the property, in square feet |
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| Comparable - Lot Area (Sq.Ft.) The total lot size of the property parcel, in square feet |
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| Comparable - Year Built The year in which the property was constructed |
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| Comparable - Listed Price or Rent The listed price or rent of the property listing |
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| Comparable - Listing Type The type of the property listing. See explanation of listing types for possible values |
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| Comparable - Date Listed The date the property was most recently listed for sale or rent, in ISO 8601 format |
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| Comparable - Date Delisted The date the property listing was most recently removed or delisted, in ISO 8601 format |
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| Comparable - Date Last Seen The date the property listing was most recently seen as active, in ISO 8601 format |
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| Comparable - Days on Market The number of days the property listing has been active |
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| Comparable - Distance (Miles) The distance between the comparable property and the subject property, in miles |
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| Comparable - Listing Age (Days) The number of days since the comparable property listing was last seen as active, indicating the "age" of the comparable property |
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| Comparable - Correlation (%) A ratio indicating how similar the comparable property is to the subject property, expressed as a percentage. This ratio ranges from close to "0" (0% similarity) to "1" (100% similarity) |
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