Additional to the “Primary” and “Secondary” sidebars you can create unlimited sidebars and assign them to individual pages or posts. To create a NEW sidebar go to Appearance > Sidebars and use the “+ Add Sidebar” link.
Then go to Appearance > Widgets and populate the sidebar with the Widgets Available.
For Pages, Posts Created in Admin – Add new, have sidebar control for each page from Sidebar Settings. Default options are position Right – and Primary Widget area
If you wish to set a different global sidebar for the Taxonomy page, Archive Page and Agent page navigate to Theme Options > General > Appearance:
For the property page the sidebar is setup on Theme Options > Design > Property Page Settings: