Maintenance for the week of March 25:
• [COMPLETE] ESO Store and Account System for maintenance – March 28, 9:00AM EDT (13:00 UTC) - 12:00PM EDT (16:00 UTC)
Yes it does. Each house has its own slot limit, depending on its category (size) and ESO+. Small inn rooms have very few slots while a notable home may have 700.
This means that once your house is full you can get a new one and fill that one as well ... some folks use houses as storage.
Ah right, and collectibles can be placed in multiple homes at the same time while regular furniture can't.