Office buildings

Yokohama Dia Building Kohoku Annex

  • Solid power supply capacity (66 kV main/spare wire power receiving)
  • The building includes raised floors as standard equipment
  • Complete security using IC card-based entrance/exit control and round-the-clock stationed security staff


1-1, Sakura-namiki, Tsuzuki-ku, Yokohama-shi, Kanagawa


March 1992 (extended in December 2005)

Structure and scale

Steel reinforced concrete, Above ground: 5 floors, Underground : 1 floor

Total floor area

28,149.90 m2

Leasable floor area

1,914.48 m2 (Phase 1 building)
2,063.85 m2 (Phase 2 building)

Floor load bearing

600 kg/m2 (some areas 1,500 kg/m2 or 1,000 kg/m2)

Ceiling height

2,600 mm + 400 mm (raised floor)


Individual system

Parking lot



Take the Yokohama Municipal Subway to Nakamachidai Station
1-minute walk from the Yokohama Municipal Bus's Chigasaki Minami Sanchome bus stop

Floor Plan