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)

211000

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

190000

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

1510

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

1830

Common Response Fields

The following response fields will be returned by both the property value and rent estimate endpoints:

Response Field	Description	Example Value
`subjectProperty`	Subject Property Details Data type: Object Information about the subject property of the current property valuation request	`{ ... }`
`subjectProperty.id`	Subject Property - Property Id Data type: String A unique RentCast property identifier	`"5500-Grand-Lake-Dr,-San-Antonio,-TX-78244"`
`subjectProperty .formattedAddress`	Subject Property - Formatted Address Data type: String The full property address, in the format `Street, Unit, City, State Zip`	`"5500 Grand Lake Dr, San Antonio, TX 78244"`
`subjectProperty .addressLine1`	Subject Property - Address Line 1 Data type: String The first line of the property street address	`"5500 Grand Lake Dr"`
`subjectProperty .addressLine2`	Subject Property - Address Line 2 Data type: String The second line of the property street address, typically containing the unit or apartment identifier	`"Apt 12"`
`subjectProperty .city`	Subject Property - Address City Data type: String The city of the property address	`"San Antonio"`
`subjectProperty .state`	Subject Property - Address State Data type: String The state of the property address, as a 2-character abbreviation	`"TX"`
`subjectProperty .stateFips`	Subject Property - Address State FIPS Code Data type: String The 2-digit state FIPS code of the property address	`"48"`
`subjectProperty .zipCode`	Subject Property - Address Zip Code Data type: String The 5-digit zip code of the property address	`"78244"`
`subjectProperty .county`	Subject Property - County Data type: String The county in which the property is located	`"Bexar"`
`subjectProperty .countyFips`	Subject Property - County FIPS Code Data type: String The 3-digit FIPS code of the county in which the property is located	`"029"`
`subjectProperty .latitude`	Subject Property - Latitude Data type: Number The latitude of the property's geographical location	`29.476011`
`subjectProperty .longitude`	Subject Property - Longitude Data type: Number The longitude of the property's geographical location	`-98.351454`
`subjectProperty .propertyType`	Subject Property - Property Type Data type: String (Enum) The type of the property. See explanation of property types for possible values	`"Single Family"`
`subjectProperty .bedrooms`	Subject Property - Number of Bedrooms Data type: Number The number of bedrooms in the property, with a value of `0` indicating a studio layout	`3`
`subjectProperty .bathrooms`	Subject Property - Number of Bathrooms Data type: Number The number of bathrooms in the property	`2`
`subjectProperty .squareFootage`	Subject Property - Living Area (Sq.Ft.) Data type: Number The total indoor living area of the property, in square feet	`1878`
`subjectProperty .lotSize`	Subject Property - Lot Area (Sq.Ft.) Data type: Number The total lot size of the property parcel, in square feet	`8843`
`subjectProperty .yearBuilt`	Subject Property - Year Built Data type: Number The year in which the property was constructed	`1973`
`subjectProperty .lastSaleDate`	Subject Property - Last Sale Date Data type: Date The date the property was last sold, in ISO 8601 format	`"2024-11-18T00:00:00.000Z"`
`subjectProperty .lastSalePrice`	Subject Property - Last Sale Price Data type: Number The last known sale price of the property	`270000`
`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	`"6803-Indian-Lake-Dr,-San-Antonio,-TX-78244"`
`comparables[] .formattedAddress`	Comparable - Formatted Address Data type: String The full property address, in the format `Street, Unit, City, State Zip`	`"6803 Indian Lake Dr, San Antonio, TX 78244"`
`comparables[] .addressLine1`	Comparable - Address Line 1 Data type: String The first line of the property street address	`"6803 Indian Lake Dr"`
`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[] .stateFips`	Comparable - Address State FIPS Code Data type: String The 2-digit state FIPS code of the property address	`"48"`
`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[] .countyFips`	Comparable - County FIPS Code Data type: String The 3-digit FIPS code of the county in which the property is located	`"029"`
`comparables[] .latitude`	Comparable - Latitude Data type: Number The latitude of the property's geographical location	`29.477688`
`comparables[] .longitude`	Comparable - Longitude Data type: Number The longitude of the property's geographical location	`-98.354963`
`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	`1762`
`comparables[] .lotSize`	Comparable - Lot Area (Sq.Ft.) Data type: Number The total lot size of the property parcel, in square feet	`7667`
`comparables[] .yearBuilt`	Comparable - Year Built Data type: Number The year in which the property was constructed	`1972`
`comparables[] .status`	Comparable - Listing Status Data type: String (Enum) The current property listing status. See explanation of listing statuses for possible values	`"Active"`
`comparables[] .price`	Comparable - Listed Price or Rent Data type: Number The listed price or rent of the property listing	`209000`
`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	`"2025-05-02T00:00:00.000Z"`
`comparables[] .removedDate`	Comparable - Date Delisted Data type: Date The date the property listing was most recently removed or delisted, in ISO 8601 format	`"2025-09-04T00:00:00.000Z"`
`comparables[] .lastSeenDate`	Comparable - Date Last Seen Data type: Date The date the property listing was most recently seen as active, in ISO 8601 format	`"2025-09-03T11:31:38.802Z"`
`comparables[] .daysOnMarket`	Comparable - Days on Market Data type: Number The number of days the property listing has been active	`125`
`comparables[] .distance`	Comparable - Distance (Miles) Data type: Number The distance between the comparable property and the subject property, in miles	`0.241`
`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	`1`
`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)	`0.9827`

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The returned subjectProperty[...] response fields will vary based on the query parameters provided in the request, and the availability of property record data for the subject property.