That's a term used by Zillow site for real estate values-similar to CMA.
To ensure the accuracy and reliability of your Zestimate trust account, regularly review and update the information provided, verify the data sources used by Zillow, and consult with real estate professionals for additional insights and validation.
There are a lot of sites that you can you use to rent a house. You can always use the travel sites but I think they just charge money for what you can do yourself. Try biggerpockets, or zestimate and hope you find something you like.