Building guide

My Castle Omori-nishi

A 6-storey, 41-home condominium in Omorinishi 4-chome, Ota-ku, completed in 1998.

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Overview

The building

Address: 4-17-23 Omorinishi, Ota-ku, Tokyo
Stations: Umeyashiki (Keikyu Line), 10 min walk; Omorimachi (Keikyu Line), 14 min; Kamata (JR Keihin-Tohoku Line), 17 min
Completed: 1998
Size: 6 storeys, 41 homes
Structure: Reinforced concrete (RC)
Land: Freehold
Contractor: Yamada Kensetsu
Parking: On-site parking

History

History of the building

1998: Completed

Nearby

Around the building

Walking distances from the building

General hospitals: Toho University Omori Medical Center (3 min, 227 m), Ota Hospital (19 min, 1,498 m)

Area

Area in Numbers

Resale condos, Ota-ku

JPY 909,091

Median sale price per sq m of floor area · 2,139 sales in the latest year

Official land price nearby — land only

JPY 593,000

Per sq m of land · nearest official point, about 0.7 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

↑ 7.9%

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

Land near this building

↑ 8.2%

Nearest official point · 1 Jan 2026 vs a year earlier

Resale condo prices

↑ 1.9%

Ota-ku · median per sq m of 2,139 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