You can set up credit building for your short term/vacation rent payments by visiting the credit builder page shown below:
You may add the details for your short term/vacation rental, including the lease start and end date. Note that you can only add your current property at this time. You must also upload the lease agreement, outlining the lease details:
You can add your rental payment for the property you had just added. You must also upload a bank statement showing proof of the payment made, for each rent payment that you report.