To pay a single invoice, navigate to the financial tab at the top and select Invoices.

Once on the invoice screen, you will see a summary of all paid invoices and open invoices. You can either select the invoice number for more information, or click Pay Online to the right.

After clicking Pay Online, if you have not yet set up a payment method, you can add a payment method at this time.

If done correctly, you will receive a thank you message.
Invoices will be marked as paid within the Invoice tab.

Customer Portal Overview for Homeowners
This video shows the functionality within the customer portal.

Customer Instructional Video link: