Unit Size How to Visualize 5 x 5 25 sq.ft. Small Closet 5 x 10 50 sq.ft. Small One Bedroom Apartment 10 x 10 100 sq.ft. Average One Bedroom Apartment 10 x 15 150 sq.ft. Two Bedroom Home or Small Car 10 x 20 200 sq.ft. Three Bedroom Home or One medium sized car 10 x 25 250 sq.ft. Four Bedroom Home 10 x 30 300 sq.ft. Four Bedroom This Storage Facility is managed bei FLIP, Florida Insel Properties, Inc. Powered by Immobilien.NET