The Final Fantasy XIV: A Realm Reborn Lodestone has been updated with a great housing preview. Free Company Housing is one of the components of next month's patch that many players are looking forward to. The preview goes through the process of purchasing land, getting a housing permit and how to customize a Free Company's housing to suit. Individual housing will come at a later date.
1. Purchasing Land
Plots of land will be sold by auction. An unowned plot can be purchased by first examining the placard located at its entrance. Land may be purchased in any city, regardless of your free company's affiliation. Furthermore, only free company members with proper authorization may purchase land. For the time being, only one plot may be purchased by a single free company, though the ability to purchase multiple plots is scheduled for a future update.
Read more on the Final Fantasy XIV: A Realm Reborn site.