To link multiple accounts on the portal please log into the portal and then click on your name on the top right and select "edit profile. Select "link customer" and fill in the required information" customer number/account number, and zip code. If you have the last payment amount you can fill that in but it is not required. Then click on the "link" button. A message will appear stating if it was saved/linked successfully. To refresh please log out and then back in to see the multiple property locations listed that you can choose to work with. Once you choose which property you want to log into highlight the location an click submit to enter the account information.