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 |
|---|---|---|
price | Value Estimate Data type: Number The estimated property value, calculated using the RentCast automated valuation model (AVM) | 221000 |
priceRangeLow | Value Estimate Range - Lower Boundary Data type: Number The lower boundary of the property value estimate range, within which we expect the value estimate to fall with 85% confidence | 208000 |
priceRangeHigh | Value Estimate Range - Upper Boundary Data type: Number The upper boundary of the property value estimate range, within which we expect the value estimate to fall with 85% confidence | 233000 |
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 | Rent Estimate Data type: Number The estimated property rent, calculated using the RentCast automated valuation model (AVM) | 1670 |
rentRangeLow | Rent Estimate Range - Lower Boundary Data type: Number The lower boundary of the property rent estimate range, within which we expect the rent estimate to fall with 85% confidence | 1630 |
rentRangeHigh | Rent Estimate Range - Upper Boundary Data type: Number The upper boundary of the property rent estimate range, within which we expect the rent estimate to fall with 85% confidence | 1710 |
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 | Latitude Data type: Number The latitude of the subject property's geographical location | 29.475962 |
longitude | Longitude Data type: Number The longitude of the subject property's geographical location | -98.351442 |
comparables | Comparable Properties Data type: Array A list of comparable properties that were used to calculate the property value or rent estimate | [ ... ] |
comparables[].id | Comparable - Property Id Data type: String A unique RentCast property identifier | "5014-Fern-Lk,-San-Antonio,-TX-78244" |
comparables[] .formattedAddress | Comparable - Formatted Address Data type: String The full property address, in the format Street, Unit, City, State Zip | "5014 Fern Lk, San Antonio, TX 78244" |
comparables[] .addressLine1 | Comparable - Address Line 1 Data type: String The first line of the property street address | "5014 Fern Lk" |
comparables[] .addressLine2 | Comparable - Address Line 2 Data type: String The second line of the property street address, typically containing the unit or apartment identifier | "Apt 12" |
comparables[] .city | Comparable - Address City Data type: String The city of the property address | "San Antonio" |
comparables[] .state | Comparable - Address State Data type: String The state of the property address, as a 2-character abbreviation | "TX" |
comparables[] .zipCode | Comparable - Address Zip Code Data type: String The 5-digit zip code of the property address | "78244" |
comparables[] .county | Comparable - County Data type: String The county in which the property is located | "Bexar" |
comparables[] .latitude | Comparable - Latitude Data type: Number The latitude of the property's geographical location | 29.471777 |
comparables[] .longitude | Comparable - Longitude Data type: Number The longitude of the property's geographical location | -98.350172 |
comparables[] .propertyType | Comparable - Property Type Data type: String (Enum) The type of the property. See explanation of property types for possible values | "Single Family" |
comparables[] .bedrooms | Comparable - Number of Bedrooms Data type: Number The number of bedrooms in the property, with a value of "0" indicating a studio layout | 4 |
comparables[] .bathrooms | Comparable - Number of Bathrooms Data type: Number The number of bathrooms in the property | 2 |
comparables[] .squareFootage | Comparable - Living Area (Sq.Ft.) Data type: Number The total indoor living area of the property, in square feet | 1747 |
comparables[] .lotSize | Comparable - Lot Area (Sq.Ft.) Data type: Number The total lot size of the property parcel, in square feet | 6316 |
comparables[] .yearBuilt | Comparable - Year Built Data type: Number The year in which the property was constructed | 1986 |
comparables[] .price | Comparable - Listed Price or Rent Data type: Number The listed price or rent of the property listing | 229900 |
comparables[] .listingType | Comparable - Listing Type Data type: String (Enum) The type of the property listing. See explanation of listing types for possible values | "Standard" |
comparables[] .listedDate | Comparable - Date Listed Data type: Date The date the property was most recently listed for sale or rent, in ISO 8601 format | "2024-04-03T00:00:00.000Z" |
comparables[] .removedDate | Comparable - Date Delisted Data type: Date The date the property listing was most recently removed or delisted, in ISO 8601 format | "2024-05-26T00:00:00.000Z" |
comparables[] .lastSeenDate | Comparable - Date Last Seen Data type: Date The date the property listing was most recently seen as active, in ISO 8601 format | "2024-05-25T13:11:55.018Z" |
comparables[] .daysOnMarket | Comparable - Days on Market Data type: Number The number of days the property listing has been active | 53 |
comparables[] .distance | Comparable - Distance (Miles) Data type: Number The distance between the comparable property and the subject property, in miles | 0.2994 |
comparables[] .daysOld | Comparable - Listing Age (Days) Data type: Number The number of days since the comparable property listing was last seen as active, indicating the "age" of the comparable property | 127 |
comparables[] .correlation | Comparable - Correlation (%) Data type: Number 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) | 0.9822 |