Neighborhood Report
Koto 江東区
Tokyo East · 〒135/136. Toyosu, Ariake, Kiba, Monzen-Nakacho. Tokyo Bay waterfront tower-mansion belt — best yields plus the Olympic legacy infrastructure.
Overall Score
8.2/10
Investment9/10
Connectivity8/10
Livability8/10
Family9/10
Prestige6/10
Value for Money9/10
Investment & Pricing
Price / sqm
¥460,000 – ¥980,000
Total Price Range
¥22M – ¥350M
YoY Price Change
+3.5%
Transactions Q1
340
Rental Yield
4.2%–5.4%
Mgmt ¥/sqm/mo
¥240–¥420
Demand
Very High
3-Yr Appreciation Est.
+12%
Schools & Safety
Toyosu North Elementary
Primary · Japanese
Koto Daini Junior High
Secondary · Japanese
Crime ratingExcellent — Tokyo has exceptionally low crime
Transport & Location
Transport Score8/10
JR Access5/10
Subway Lines (500m)3 lines
Shinkansen Proximity7/10
Major Stations
ToyosuTatsumiKibaMonzen-NakachoAriake
Amenities
LaLaport ToyosuOlympic Aquatics CentreToyosu Market
Heritage
Fukagawa FudodoTomioka Hachimangu Shrine
Notable Buildings
The Toyosu TowerPark City ToyosuHarumi Flag (edge)Ariake Garden Tower
Foreign ownership friendliness:8/10 — Tokyo freely allows foreign ownership across all wards.
Strengths
- Olympic tower-mansion belt — best new-build stock in Tokyo
- Highest yields among family-grade wards
- Waterfront, parks, and Olympic venues drive livability
- Strong rental demand from finance professionals
Weaknesses
- Tower-mansion concentration caps scarcity premium
- Reclaimed land earthquake liquefaction risk
- Limited JR access — Yurakucho line dependent
Compared to Tokyo Average
¥/sqm
-31%
vs avg ¥1,050,000
Yield
+1pp
vs avg 3.8%
YoY Growth
+0.9pp
vs avg 2.6%
Transport
8/10
vs avg 8.5
Similar Wards
Data updated April 2026