To provide a dwelling house structure which prevents bringing-in of individual deed to the common space and which allows the user to use the space spaciously and conveniently.

A common space A and private space B are provided side by side, and between the two spaces, wall doors D1-D5 are installed. Each private space B consists of private room 4, utility space 7, and private rooms 5 and 6 in a series arrangement. One can open the doors 8, 9, 10 from the rooms 4, 5, 6, respectively, and use a toilet 73 or bathroom 74 furnished in the utility space 7. In the common space A, an entrance space 1, kitchen space 2, and living room space 3 are set off continuously with no partitioning provided.