Where to Live in Tokyo — 23 Wards Guide [Ep.09] Western Premium: Musashino, Mitaka, Chofu

※ This article is for informational purposes and personal analysis only—not investment, legal, tax, or immigration advice, and not a recommendation to buy or sell any property or financial product. Verify figures, rules, and market data against official sources and consult qualified professionals; you are solely responsible for your decisions. Information reflects the time of writing and may change afterward.

When considering Tokyo real estate investment, do you only insist on staying inside the “23 Wards”? My perspective is a bit different. If you understand Japan’s dense and overwhelming railway network, hidden gems just outside the 23 Wards begin to emerge.

As a data analyst, looking at the western Tokyo market, there are areas just outside the border that offer Shinjuku and Tokyo Station accessibility on par with the 23 Wards. Today, we focus on Musashino City, Mitaka City, and Chofu City.

Data Reference: Mansion transaction prices are based on the MLIT Real Estate Information Library (Q1-Q4 2025).

Table of Contents

1. Musashino City

Even if you aren’t familiar with western Tokyo, you’ve likely heard the name “Kichijoji”. Musashino City is the absolute powerhouse of the west, home to this famous neighborhood.

Consistently ranking at the top of “places people want to live” in Japan, it combines the massive nature of Inokashira Park with sophisticated commercial districts. Kichijoji Station, where the JR Chuo Line (direct to Shinjuku) and Inokashira Line (direct to Shibuya) intersect, records 376,317 daily passengers. It holds a unique premium brand value that rivals or exceeds core areas of the 23 Wards.

Against Chiyoda Ward (千代田区), the 70㎡ mansion transaction price is 48.6% of Chiyoda levels. Price defense is incredibly strong despite being outside the central wards.

Arithmetic check: 6,636万円 ÷ 1億3,630万円 × 100 = 48.6%

Mansion Transaction Prices

Areas like Nakamachi and Kichijoji Honcho have already surpassed 100万円/㎡. Musashino’s transaction price per ㎡ rose from 74.5万円 in 2021 to 94.8万円 in 2025, a 4-year CAGR of 6.2%. Population forecast 2020→2040: 4.5%.

※ All CAGR figures in this series are based on transaction prices from 2021 to 2025.

2. Mitaka City

Mitaka City borders Musashino to the south—a quiet and pleasant residential area. Home to the Ghibli Museum and excellent schools like the International Christian University (ICU), it is highly popular among families who prioritize education and environment.

Its biggest weapon is transport efficiency. Mitaka Station is the starting station for the JR Chuo and Tozai Lines, with 167,532 daily passengers. In a city notorious for morning rush-hour crowds, being able to sit down for a direct ride downtown is a premium hard to quantify.

Against Chiyoda Ward, the price is 42.5%.

Arithmetic check: 5,803万円 ÷ 1億3,630万円 × 100 = 42.5%

Mansion Transaction Prices

Transactions are heavily concentrated in Shimorenjaku (144 cases). The 4-year CAGR is a strong 5.9%. Population forecast 2020→2040: 5.3%.

3. Chofu City

While the previous two cities use the JR Chuo Line, Chofu City is the western transport hub anchored by the Keio Line.

For Tokyo locals, it’s familiar for the historic Jindaiji Temple and the rich nature of the Tama River. From Chofu Station, the Keio Line Special Express reaches Shinjuku in just 15 minutes, with 115,507 daily passengers. Despite this excellent access, its prices are the most realistic among the three cities in this episode.

Against Chiyoda Ward, the price is 33.2%.

Arithmetic check: 4,536万円 ÷ 1億3,630万円 × 100 = 33.2%

Mansion Transaction Prices

Areas like Tamagawa and Somechi offer 70㎡ equivalents in the 3,000万円 range. The 4-year CAGR is a steady 3.6%, population forecast 2020→2040: 4.5%, and annual transaction volume (418 cases) ensures good market liquidity.

4. Comparison Summary

Series Comparison:

It’s impressive that Musashino and Mitaka, despite being outside the 23 Wards, maintain price defense that matches or exceeds outer wards like Kita.

5. Investment and Living Guide

Living Perspective

Musashino City is the ultimate choice for families in their 30s and 40s who want childcare support, commercial convenience, and nature. Having the dominant Kichijoji brand within walking distance provides a comfort that’s hard to replace anywhere in Tokyo.

Mitaka City is highly recommended for professionals who want to minimize morning commute stress. The advantage of a starting station dramatically improves daily quality of life. You get the same lifestyle as Musashino at a lower price point.

Chofu City is ideal for those with a limited budget seeking larger floor plans or prioritizing nature (like the Tama River). The 15-minute special express to Shinjuku ensures commuting is never a burden.

Investment Perspective

Being outside the 23 Wards administratively does not diminish investment value. In the Japanese real estate market, railway lines and station access matter far more than ward borders.

Musashino and Mitaka have already proven their upside potential with high 4-year CAGRs of 6.2% and 5.9%. With populations projected to grow by 4.5~5.3% through 2040, their demand base is solid. These are markets with proven price defense and long-term holding value.

Chofu City offers an absolute price advantage (33% of Chiyoda), providing a favorable starting point for rental yield. It aligns better with steady cash flow and practical living rather than aggressive capital gains.

Ultimately, choosing any of these three areas based on your budget and lifestyle will be a smart investment—avoiding the downtown chaos while preserving excellent access and asset value.