1. Navigate to Properties.
2. Go to the desired property and select the pencil icon.
3. Click on Add Unit.
If you're looking to remove the added units from the property, you can do so by click on the X next to the desired unit.
Important Tip: You can add up to 4 units per property when combining their value as one large asset. If you'd like to add more units, or if you'd like to separate each unit as a stand alone asset, you can create a new property asset with the same street address.