Building guide

CS Tower Annex

A 14-storey steel-reinforced concrete condominium in Asakusabashi 5-chome, Taito-ku, completed in 1991.

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Overview

The building

Address: 5-20-6 Asakusabashi, Taito-ku, Tokyo
Stations: Asakusabashi (JR Sobu Line) 8 min walk; Asakusabashi (Toei Asakusa Line) 9 min; Akihabara (Hibiya Line) 10 min; Shin-Okachimachi (Oedo Line) 10 min; Akihabara (JR / Tsukuba Express) 11 min
Completed: August 1991
Size: 14 storeys above ground
Structure: Steel-reinforced concrete (SRC)
Land: Freehold
Developer(s): Shuwa
Contractor: Kumagai Gumi

History

History of the building

1991: Completed in August; developed by Shuwa and built by Kumagai Gumi

Nearby

Around the building

Walking distances from the building

General hospitals: Mitsui Memorial Hospital (4 min, 306 m), Eiju General Hospital (16 min, 1,205 m)
Embassies: Embassy of the Democratic Republic of the Congo (3 min, 199 m)

Area

Area in Numbers

Resale condos, Taito-ku

JPY 1,160,000

Median sale price per sq m of floor area · 1,207 sales in the latest year

Official land price nearby — land only

JPY 1,600,000

Per sq m of land · nearest official point, about 0.6 km away · 1 Jan 2026

A home's price per sq m is on floor area and includes the building; the official land price is per sq m of land alone.

Change over 1 year · public statistics

Area-wide figures, not this building

Residential land

↑ 14.2%

Taito-ku average · 1 Jan 2026 vs a year earlier

Land near this building

↑ 0.0%

Nearest official point · 1 Jan 2026 vs a year earlier

Resale condo prices

↑ 7.4%

Taito-ku · median per sq m of 1,207 sales vs a year earlier

Apartment rents

↑ 6.7%

Tokyo 23 wards · Q1 2026 vs a year earlier

Condominium price index

↑ 9.6%

Tokyo · December 2025 vs a year earlier

Sources and notes

All figures are public statistics for the wider area, not an appraisal of this building, and none of them guarantees future rent, value or performance.

For sale