Housing conditions 4-1: Condominium stock

Looking at the change in the number of houses by construction method, apartment houses exceeded single-family homes in 1983, and as of 2018, apartment houses accounted for 60% of all houses. Of these, non-wooden houses on the third floor or higher account for about 80%. (Fig. 4-1-1).

Figure 4-1-1 Changes in Number of Houses by Building (Yokohama City)

Document: Ministry of Internal Affairs and Communications, "Showa 48-1993 Housing Statistics Survey" and "Heisei 10, 15, 20, 25, and 30 Years"

Looking further by ownership relationship, the number of condominiums in the past 15 years (the number of private homes with three or more floors) was 117,000, exceeding the increase in single-family homes (Figure 4-1-2).

4-1-2 Changes in the number of houses by construction method and ownership (Yokohama City)

Document: Ministry of Internal Affairs and Communications “Showa 63 1993 Housing Statistics Survey” and “Heisei 10, 15, 20, 25, and 30 Years”

The number of condominiums (the number of non-wooden houses with three or more floors) accounted for 391,700 units in 2018, accounting for 40% of owned homes, increasing more than doubled compared to 1993 (Figure 4-1-3).

Figure 4-1-3 Change in percentage of condominiums in owned homes (Yokohama City)

Document: Ministry of Internal Affairs and Communications "1993 Housing Statistics Survey" and "Heisei 10, 15, 2025 and 30 Years"

Isogo Ward accounts for the largest proportion of all housing units, accounting for 30.1%. On the other hand, the number of Seya Ward was 6.0% (Figure 4-1-4).

Figure 4-1-4 Percentage of condominiums in each ward

Document: Ministry of Internal Affairs and Communications "2018 Housing and Land Statistics Survey"

The number of condominiums built before 1980 exceeded 60,000, and old houses still exist at the same level.
For this reason, it is necessary to provide information and consult with the Residential Association of condominiums on large-scale repairs and rebuilding. (Fig. 4-1-5).

Figure 4-1-5 Percentage of condominium stock by construction period (Yokohama-shi)

Document: Ministry of Internal Affairs and Communications “Showa 63 1993 Housing Statistics Survey” and “Heisei 10, 15, 20, 25, and 30 Years”