Go to the properties tab on the landlord dashboard and click "add property"
Start typing in the property address and click on the complete address in the drop down menu that appears.
If the property has no units, check the box and it will be added as a single property.
If the property has units, type in the number of units, click the "add" button, and type in the unit letters or numbers.
Click the "add property" button and the property is added to your group.