Neighbourhood · Shinagawa

Nishi-Oi

西大井

Nishi-Oi Station on the Yokosuka and Shonan-Shinjuku lines, from the towers by the station to the low-rise lanes of Futaba and Nishi-Oi

Local guide

01First impressions

Nishi-Oi Station is built directly under the elevated viaduct of the Tokaido Shinkansen, with bullet trains passing overhead from time to time. There's only one exit on the east side, and as you come out you'll see several high-rise residential buildings. Head west or walk further from the station and you'll find yourself in lanes with low-rise apartments and single-family homes.

02What works

Both the Yokosuka Line and Shonan-Shinjuku Line stop here, with about 5 minutes to Shinagawa, around 10 minutes to Shibuya, and about 18 minutes to Yokohama, plus there are direct Sotetsu through trains. Public transport ranks 76th out of 155 neighbourhoods in Tokyo, which is mid-range. A Bunka-do supermarket is about a 3-minute walk from the station. Nishi-Oi Hiroba Park is right next to the station, with a tree-lined stone-paved walkway on the north side of the road and a plaza for playing ball sports on the south side. About 8 minutes' walk outside the neighbourhood in Futaba 4-chome, there's Hebikubo Shrine, which enshrines both a dragon god and a white snake.

03Heads-up

There's only one exit, so people living on the west side of the station have to walk all the way around to the east side every day to get in and out. There's no subway here, so your only train line option is this JR line. In our street view photos, the neighbourhood environment ranks 142nd out of 155 neighbourhoods, which is the lower tier. Greenery ranks 134th, with very little vegetation in the lanes.

04A bit of history

The town name Nishi-Oi only came about in 1964 when addresses were reorganised; before that it was divided into areas like Oi Morimae-cho and Oi Hara-cho. Ito Hirobumi had a villa here in his later years, and after he passed away in 1909 he was buried at the former site of the villa; his grave is in Nishi-Oi 6-chome and is a historic site in Shinagawa Ward. In 1932, what is now 5- and 6-chome was for a time named Oi Ito-cho. Nikon set up a factory here in 1918, just a year after its founding, and Kogaku-dori ("Optics Street") near the station takes its name from the company's former name, Nippon Kogaku Kogyo; in July 2024 the headquarters also moved to Nishi-Oi 1-chome. The station itself only opened in 1986 after many years of local effort to get it built.

Written by TidyMap · updated 2026-10 · 8 sources

Compared with the 155 Tokyo neighbourhoods in this guide (scores 0–10)

Street Environment6.9No. 142
Cleanliness8.9No. 133
Buildings7.8No. 117
Sidewalks4.4No. 133
Greenery6.5No. 134
Convenience7.9No. 93
Transit7.3No. 76
Everyday shopping8.2No. 96
Healthcare8.7No. 106
Nearby neighbourhoods
The closest neighbourhoods in the same city.

87 blocks · Curated boundary · Data version 2026-10-02

How are these measured?

Compared against the Tokyo neighbourhoods in this guide; metrics without enough data are not ranked. Shopping counts convenience stores plus the nearer of a supermarket or a traditional market (public and private retail markets); night markets, vendor zones and shopping-street shops are not counted. Transit is rail-first with a lower weight for buses.

TidyMap rates the street environment and everyday convenience. It does not assess the home itself, safety, noise or actual living experience. About data limits

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