What is 'on the property'?
As in the sentence:
It was their intention to become less of a commune and more of a community, with the families living in separate houses on the property.

Thank you!

Question

What is 'on the property'?
As in the sentence:
It was their intention to become less of a commune and more of a community, with the families living in separate houses on the property.

Thank you!

Answer

It is as Wozitoya said property is another word for land but specifically  land that is owned. In this this case, by saying that they lived in houses "on the property"  it means that they lived in houses on the land owned by the commune.

Answer

The land is called property, in the sentence, the houses are on the property