Selected images and diagrams are reproduced from the materials supplied for this listing.
The River Place East Tower is a 28-storey tower with one basement level at 4-21-14 Shimomaruko in Ota-ku, completed in September 2004, part of a six-building development of 965 residences (184 in the East Tower). This residence is a fully renovated 3LDK of 97.29 sq m on the 19th floor, with a 30.44 sq m balcony — a south-and-west-facing corner unit with views of Mt. Fuji and the Tama River, according to the listing material.
The renovation, completed on 31 August 2026, covers new flooring and wall coverings, a double-bowl washstand, toilet, kitchen with cupboard, unit bath and joinery, as shown in the photographs, with two newly installed air conditioning units and floor heating in the living area. The plan provides a living, dining and kitchen space of approximately 21.9 jo and three bedrooms of approximately 6.8, 4.9 and 4.2 jo, each with a walk-in closet. The building has double auto-lock entry at the building entrance and lift hall, a dust station on every floor, and extensive shared facilities including a guest room, kids' arena, view lounge and theatre room (some for a fee), according to the listing material.
| Layout | 3LDK |
|---|---|
| Floor area (this residence) | 97.29 sq m |
| Balcony | 30.44 sq m |
| Floor | 19th Floor |
| Renovation | Full renovation completed 31 August 2026 — new flooring and wall coverings, double-bowl washstand, toilet, kitchen with cupboard, unit bath and joinery, two newly installed air conditioning units and floor heating in the living area |
| Occupancy | Vacant |
| Handover | Immediate |
| Management fee | JPY 27,300 / month (development management fee JPY 9,800 + building management fee JPY 17,500) |
|---|---|
| Repair reserve fund (for long-term building repairs) | JPY 34,730 / month (development reserve fund JPY 2,240 + building reserve fund JPY 32,490) |
| Other Monthly Fees | Internet facility usage fee JPY 858 / month, neighbourhood association fee JPY 100 / month |
| Building height | 28 Storeys (1 basement) |
|---|---|
| Building Structure | Reinforced Concrete |
| Year Built | September 2004 |
| Number of Units | 965 Units (965-residence, six-building development; 184 in the East Tower) |
| Management | Fully outsourced (daytime staff) |
| Parking | On-site parking available, JPY 14,000–20,000 / month (as of August 2026) |
| Pets | Permitted — up to 2 dogs and cats combined |
| Address | 4-21-14 Shimomaruko, Ota-ku, Tokyo |
|---|---|
| Nearest Station | Shimomaruko Station (Tokyu Tamagawa Line) |
| Property Type | Residential Condominium |
| Tenure | Freehold Ownership |
| Date Updated | 1 October 2026 |
Areas are the figures from the listing material and remain subject to verification against the register. 1 jo is one tatami mat, about 1.62 sq m.
The building stands at 4-21-14 Shimomaruko in Ota-ku. Shimomaruko Station, on the Tokyu Tamagawa Line, is approximately 9 minutes on foot.
Shimomaruko Park is approximately 80 m away, with a 7-Eleven approximately 280 m and an Olympic supermarket approximately 320 m, according to the listing material.
Journey time to Shinagawa, the nearest major Yamanote Line terminal, for the quickest route including any changes, weekday 8 am departure (morning rush); Yahoo! Japan Transit, searched October 2026. Walking to the station is not included.
The map indicates the location of the building. Walking times above are as stated in the listing material.
Open in Google MapsA 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.
All figures are public statistics for the wider area, not an appraisal of this residence, and none of them guarantees future rent, value or performance.
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