20X20 Basketball Court . The house features 3 bdrms, 3 bath as well as another room upstairs that would be great as a yoga/meditation room or extra bdrm. Half court 20'7 x 24'10.kit name: 20' x 30' Basketball Court Backyard court, Backyard basketball from www.pinterest.com 16x16 inch,18x18 inch or 20x20 inch. Backboard overhang illustrated at 2 ft. The house features 3 bdrms, 3 bath as well as another room upstairs that would be great as a yoga/meditation room or extra bdrm.