Properties
Tokyo Metropolitan Area

Otemachi 1-Chome Project (Ja Building)
| Address | 1-3-1 Otemachi, Chiyoda, Tokyo | Completed | April 2009 |
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| Size | 37 floors above ground, three below | Floor space | approx. 88,400m² |
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Otemachi 1-Chome Project (Keidanren Kaikan)
| Address | 1-3-2 Otemachi, Chiyoda, Tokyo | Completed | April 2009 |
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| Size | 23 floors above ground, four below | Floor space | approx. 71,200m² |
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Urbannet Otemachi Building
| Address | 2-2-2 Otemachi, Chiyoda, Tokyo | Completed | June, 1990 |
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| Size | 22 floors above ground, five below | Floor space | 117,618m² |
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Otemachi First Square
| Address | 1-5-1 Otemachi, Chiyoda, Tokyo | Completed | February 1992 (West Tower), May 1997 (East Tower) |
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| Size |
23 floors above ground, five below (West Tower) 23 floors above ground, four below (East Tower) |
Floor space | 54,284m² (Portion owned by NTT Urban Deveropment) |
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Akihabara UDX
| Address | 4-14-1 Soto-Kanda, Chiyoda, Tokyo | Completed | January 2006 |
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| Size | 22 floors above ground, three below | Floor space | 155,629m² |
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Granpark Tower
| Address | 3-4-1 Shibaura, Minato, Tokyo | Completed | August 1996 |
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| Size | 35 floors above ground, four below | Floor space | 138,423m² (Portion owned by NTT Urban Deveropment) |
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Seavans N Building
| Address | 1-2-1 Shibaura, Minato, Tokyo | Completed | January 1991 |
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| Size | 24 floors above ground, two below | Floor space | 78,488m² |
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Tokyo Opera City
| Address | 3-20-2 Nishi Shinjuku, Shinjuku, Tokyo | Completed | August 1996 |
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| Size | 54 floors above ground, four below | Floor space | 33,086m² (Portion owned by NTT Urban Deveropment) |
| Access | Keio New Line, Hatsudai Station (Direct access via east exit) | ||
NTT Makuhari Building
| Address | 1-6 Nakase, Mihama, Chiba, Chiba | Completed | June 1993 |
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| Size | 26 floors above ground, one below | Floor space | 170,499m² |
| Access | JR Keiyou Line, Kaihin-Makuhari Station (8-minute walk) | ||
Urbannet Ikebukuro Building
| Address | 3-16-3 Higashi Ikebukuro, Toshima, Tokyo | Completed | September 1988 |
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| Size | 16 floors above ground, one below | Floor space | 25,050m² |
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