Shinjuku Monolith

A 30-story office tower completed in 1990 in Nishi-Shinjuku, known for its dark, monolithic exterior that stands apart from the glass-curtain-wall towers surrounding it.

Use

Office tower

Area

Shinjuku City

Completed

1990

Floors

30 above ground, 3 below

A Dark Tower in the Nishi-Shinjuku Skyline

Among the towers of Nishi-Shinjuku, Shinjuku Monolith announces itself through contrast rather than height. Located at Nishi-Shinjuku 2-3-1, the 30-story, three-basement-floor office building was completed in 1990. Its name fits: a simple, rectilinear mass clad in a dark exterior that sets it apart from the glass-curtain-wall towers that surround it on most sides. The building is associated with NTT-related businesses, giving a telecommunications presence at the heart of one of Tokyo’s densest corporate districts. Walking west from Shinjuku Station’s west exit toward the Metropolitan Government Building, the monolith-like form appears on the right before you reach the city hall — sober and self-contained in a skyline full of reflective glass.

Built at the Apex of a Building Era

Nishi-Shinjuku’s transformation from a water purification plant to a business district began in the late 1960s and ran through the 1980s, with towers for major banks, trading companies, and media firms rising in rapid succession. The relocation of the Tokyo Metropolitan Government to its new twin-tower headquarters in 1991 marked the culmination of that era. Shinjuku Monolith was completed in 1990 — the final months of the high-growth bubble economy — making it one of the last towers to join the Nishi-Shinjuku skyline before the market turned. The building’s dark exterior, an intentional contrast to the reflective glass that dominates the district, gives it a character that holds up well over time. Walking the blocks around the Metropolitan Government Building, you become aware of how much variety there is within what can appear, from a distance, to be a uniform cluster of towers.

Summary

Shinjuku Monolith was completed in 1990 with 30 floors above ground and three below. Located at Nishi-Shinjuku 2-3-1, its dark, restrained exterior makes it one of the most distinctive buildings in a district defined by reflective glass. For those walking the Nishi-Shinjuku skyline, the differences in character between individual towers — in material, proportion, and shade — are worth pausing to notice. Shinjuku Monolith is a good place to start that observation.

Related: Shinjuku Mitsui Building / Tokyo Metropolitan Government No. 1 Building

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