🌸 Basic Information / Overview
Line Name: Tokyu Oimachi Line
Operator: Tokyu Corporation
Route Length: Approx. 12.4km
Stations: 15
Starting/Ending Point: Oimachi (Shinagawa Ward)〜Mizonokuchi (Kawasaki City)
Connecting Lines: Toyoko Line・Meguro Line・Den-en-toshi Line・JR・Rinkai Line, etc.
Opening Year: 1927 (originally a branch line of Meguro-Kamata Electric Railway)
📜 History & Background
1927: Opened between Ookayama and Oimachi.
Originally operated as a branch of the Meguro-Kamata Line, later expanded and double-tracked.
2009: Extended to Mizonokuchi, strengthening its connection to the Den-en-toshi Line.
Express and Local services improve both speed and commuting options.
🌟 Merits / Advantages
✅ 1. Excellent commuting access
Direct connections from Oimachi to JR Keihin-Tohoku Line and Rinkai Line / Links major hubs such as Jiyugaoka・Futako-Tamagawa・Mizonokuchi.
✅ 2. Each station has its own unique character
Oimachi: Rapidly redeveloping urban area
Jiyugaoka: Trendy shopping district
Futako-Tamagawa: Redeveloped zone blending shopping・nature
Kaminoge・Todoroki: Quiet high-end residential areas
✅ 3. Express trains save time
Express trains connect Oimachi〜Mizonokuchi in about 18 minutes / Also serves as a bypass to the busy Den-en-toshi Line.
⚠️ Demerits / Things to Note
❌ 1. Slightly high congestion rate
Especially between Jiyugaoka〜Futako-Tamagawa or during express train hours.
❌ 2. Gap in convenience between express and local stations
At local-only stops like Todoroki・Kaminoge, trains may feel less frequent due to express bypass.
❌ 3. Oimachi terminal is slightly limited compared to Shinagawa
Great for Shinagawa commuters, but transfers are required for Tokyo・Shinjuku directions.
🧺 Livability (Comfort / Convenience)
Category: Rating: Comment
Transportation Access: ★★★★☆: Connected to JR・Toyoko Line・Den-en-toshi Line / Easy access throughout Tokyo
Shopping Facilities: ★★★★★: Futako-Tamagawa・Oimachi・Jiyugaoka all offer major shopping districts
Education Environment: ★★★★☆: Highly rated school zones / Many private schools accessible
Nature・Environment: ★★★★☆: Rich in greenery such as the Tama River・Todoroki Valley
Safety: ★★★★☆: Many upscale residential areas / Calm and secure atmosphere
🏠 Real Estate Perspective
💴 Rent Price Range (as of 2025)
Station Name: 1R・1K / Family Type (2LDK〜): Comment
Oimachi: Approx. ¥100,000〜¥120,000 / ¥180,000〜¥250,000: Redevelopment area / Easy access to Shinagawa
Jiyugaoka: Approx. ¥110,000〜¥130,000 / ¥200,000〜¥280,000: Balanced commercial & residential hub
Kaminoge・Todoroki: Approx. ¥90,000〜¥110,000 / ¥170,000〜¥230,000: Quiet residential area / Safe neighborhood
Futako-Tamagawa: Approx. ¥110,000〜¥130,000 / ¥220,000〜¥300,000: Redeveloped zone / Tower apartments rising
Mizonokuchi: Approx. ¥80,000〜¥100,000 / ¥150,000〜¥220,000: Great balance of living & shopping / Good value
🏘 Housing Trends
Oimachi〜Jiyugaoka: High demand for condos near stations / Ideal for those prioritizing convenience.
Todoroki・Kaminoge: Mainly detached houses・low-rise apartments / Quiet luxury neighborhoods.
Mizonokuchi・Futako-Tamagawa: Ongoing redevelopment with increasing tower apartments & family-oriented housing.
🎯 Recommended For
✅ Those commuting to Shinagawa・Shibuya area
✅ Singles or DINKs seeking a lifestyle centered around the station
✅ Families wanting access to nature・schools・shopping facilities
✅ Commuters avoiding congestion on Toyoko or Den-en-toshi Lines
📌 Summary
The Tokyu Oimachi Line offers a rare blend of urban energy and suburban peace.
It connects popular areas like Jiyugaoka・Futako-Tamagawa・Oimachi while maintaining quiet residential zones.
This line perfectly balances livability and accessibility, making it ideal for families, professionals, and urban dwellers alike.
Although rush-hour congestion and express/local differences exist, choosing the right station ensures a truly “just right” lifestyle in Tokyo.