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CASTLE MANSION NISHI-SHINJUKU

Nishi-Shinjuku, Shinjuku-ku, Tokyo · Approx. 3 min walk to Nishi-Shinjuku Station (Marunouchi Line)

JPY 42,980,000 ≈ US$272,000

  • 1LDK1 bedroom + living/dining/kitchen
  • 31.78 m²342 sq ft · floor area
  • 4thFloor, of 7
  • 1983Built · renovated 2026
  • VacantHandover · By consultation
  • ¥20,831monthly fees

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Building exterior
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Building exterior

Selected images and diagrams are reproduced from the materials supplied for this listing.

1LDK
1 bedroom + living/dining/kitchen
31.78 sq m
342 sq ft · floor area
4th
Floor, of 7
1983
Built · renovated 2026
3 min
Walk · Nishi-Shinjuku Sta.
Vacant
Handover · By consultation
  • Renovated 2026
  • Corner unit

Floor Plan

Floor plan — 1LDK, 31.78 sq m. Labels are in the original Japanese.
Floor plan — 1LDK, 31.78 sq m. Labels are in the original Japanese.
1LDK
Layout
June 1983
Year Built
Approx. 3 min
To Nishi-Shinjuku Station (Marunouchi Line)
Vacant
Occupancy

About This Residence

  1. 1983Building completed
  2. 2023Large-scale building repairs
  3. 2026This residence fully renovated
  • A fully renovated corner 1LDK of 31.78 sq m on the fourth floor of a seven-storey building in Nishi-Shinjuku
  • Nishi-Shinjuku Station approximately 3 minutes on foot, Shinjuku-nishiguchi Station approximately 6 minutes and Shinjuku Station approximately 8 minutes
  • New counter kitchen with dishwasher and water purifier, and a bathroom with dryer and reheating
  • Large-scale repair works to the building were carried out from February to May 2023, according to the listing material
  • Security cameras; office use may be discussed under the building rules
Full description

Castle Mansion Nishi-Shinjuku is a seven-storey reinforced concrete building at 7-22-48 Nishi-Shinjuku in Shinjuku-ku, completed in June 1983 with 23 residences. This residence is a corner 1LDK of 31.78 sq m on the fourth floor.

The renovation, completed in September 2026, covers the kitchen, bathroom, washstand, toilet and water heater, along with new flooring, wall coverings, joinery and lighting, as shown in the photographs. The living, dining and kitchen space of approximately 8.4 jo opens onto a bedroom of approximately 4.1 jo, and the building has a lift and security cameras. Pets are not permitted.

Property Details

The residence

Layout1LDK
Floor area (this residence)31.78 sq m
Floor4th Floor
RenovationFull renovation completed 18 September 2026 — kitchen, bathroom, washstand, toilet, water-heater (with reheating), flooring, wall coverings, joinery and lighting
OccupancyVacant
HandoverBy consultation

Monthly costs

Management feeJPY 12,710 / month
Repair reserve fund (for long-term building repairs)JPY 8,121 / month
The building
Building height7 Storeys
Building StructureReinforced Concrete, flat roof
Year BuiltJune 1983
Number of Units23 Units
ManagementFully outsourced, no caretaker (cleaning staff only)
ParkingNone
PetsNot permitted
Location & terms
Address7-22-48 Nishi-Shinjuku, Shinjuku-ku, Tokyo
Nearest StationNishi-Shinjuku Station (Marunouchi Line)
AccessShinjuku-nishiguchi Station (Toei Oedo Line) approx. 6 min; Shinjuku Station (JR Yamanote Line and other lines) approx. 8 min on foot
Property TypeResidential Condominium
TenureFreehold Ownership

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.

Location & Neighbourhood

The building stands at 7-22-48 Nishi-Shinjuku in Shinjuku-ku. Nishi-Shinjuku Station on the Marunouchi Line is approximately 3 minutes on foot, Shinjuku-nishiguchi Station on the Toei Oedo Line approximately 6 minutes, and Shinjuku Station, served by the JR Yamanote Line and many other lines, approximately 8 minutes.

Read the full description

A My Basket grocery store is approximately 2 minutes on foot, a FamilyMart convenience store approximately 3 minutes, an Olympic supermarket approximately 5 minutes and a dry cleaner approximately 6 minutes.

  • Nishi-ShinjukuMarunouchi Line3 min
  • Shinjuku-nishiguchiToei Oedo Line6 min
  • ShinjukuJR Yamanote Line and other lines8 min

Nearby highlights · within a 15-minute walk

  • Tokyo Metropolitan Government Building11 min · 840 m

    Photo: Max Bates / CC BY-SA 4.0

    Landmark

    Tokyo Metropolitan Government Building

    The twin-towered city hall of Tokyo, with free observation decks.

International schools

2 more within 5 km

Station walking times are as stated in the listing material. Walking times to the places above are route distances at 80 m per minute, rounded up (measured October 2026).

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Price & Area in Numbers

This residence — building included
JPY 1,352,400
Asking price per sq m of floor area, including the building
Official land price nearby — land only
JPY 1,500,000
Per sq m of land · nearest official point (residential), about 0.9 km away · 1 January 2026 · 東京都中野区中央1丁目612番1
↑ 17.2% in 1 year

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 residence
Residential land
↑ 11.2%
Shinjuku-ku average · 1 Jan 2026 vs a year earlier
Compact-unit rents
↑ 5.6%
Tokyo 23 wards · Q1 2026 vs a year earlier
Resale condo prices
↑ 3.8%
Shinjuku-ku · median per sq m of 2,001 sales, Q2 2025–Q1 2026 vs a year earlier
Land near this residence
↑ 17.2%
Nearest official point · 1 Jan 2026 vs a year earlier
Sources and notes

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.

Sources:

Important Notes

  • Information is based on the materials supplied for this listing.
  • Availability, price and property details remain subject to confirmation.
  • Furniture shown in some photographs is staging only; the residence is not sold furnished.
  • Market data does not represent the value or future performance of this individual residence.
  • Property ownership in Japan does not by itself provide visa or residency rights.

Listing & Transaction Information

RE/MAX INTERFACE — International Interface Co., Ltd. Broker License: Tokyo (3) 96857. 2-26-32 Minami-Aoyama, Seizan 402, Minato-ku, Tokyo, Japan. Contact: Ken Aoki. E-mail: kenichi.aoki@i-interface.com. Mobile: +81-80-3418-4295. TEL: +81-3-6804-3455.
Type of Transaction
Brokerage
Listed by
International Interface Co., Ltd.
Tokyo Governor’s Licence (3) No. 96857
RE/MAX INTERFACE
Agent: Ken Aoki
#402 Seizan, 2-26-32 Minami-aoyama, Minato-ku, Tokyo, 107-0062, Japan

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