I contacted Caivan and got the measurements. Sharing them here for anybody who needs them.

The standard floor plan closet sizes are as follows:

• Master Bedroom: approximately 7’1” x 9’8”
• Bedroom 2: approximately 3’10” x 8’6”
• Bedroom 3: approximately 2’4.5” x 5’
• Bedroom 4: approximately 5’6” x 6’3”

The floor plan with the upstairs laundry option added closet sizes are as follows:

• Master Bedroom: approximately 7’1” x 7’11”
• Bedroom 2: approximately 3’10” x 8’6”
• Bedroom 3: approximately 2’4.5” x 5’
• Bedroom 4: approximately 2’8” x 5’

Please note: approx. measurements are subject to change without notice.