# One City Osaka: facts on record

Canonical page: https://kolaboro.com/projects/one-city-osaka/
Other languages: https://kolaboro.com/es/projects/one-city-osaka/ https://kolaboro.com/de/projects/one-city-osaka/ https://kolaboro.com/fr/projects/one-city-osaka/ https://kolaboro.com/nl/projects/one-city-osaka/ https://kolaboro.com/ru/projects/one-city-osaka/ https://kolaboro.com/zh/projects/one-city-osaka/ https://kolaboro.com/ar/projects/one-city-osaka/
Last checked: 2026-11-12. Licence: CC BY 4.0, attribute "Kolaboro" and link the canonical page.
Rules: facts only, each with its source. Kolaboro gives no verdicts about a named company.

## Quick answer {#answer}

One City Osaka is listed as under construction in Fushimimachi, Chuo, Osaka, Osaka, Japan, by Sumitomo Realty & Development. The handover date on record is Q3 2027. No permit number is published. Transparency score: 31 of 100. Not yet reviewed by Kolaboro (added 13 Nov 2026). Last checked 12 Nov 2026.

## Summary {#summary}

One City Osaka (Fushimimachi, Chuo, Osaka, Osaka, Japan) is tracked by Kolaboro and not yet reviewed: our research agent has not read its sources yet, so no score or check results are published. Page: https://kolaboro.com/projects/one-city-osaka/

## Is One City Osaka legit? {#legit}

Kolaboro does not label projects as legit or not. It publishes what official registers and the developer's own pages show, with sources, and what it could not verify: https://kolaboro.com/projects/one-city-osaka/#checks.

## When will One City Osaka be delivered? {#delivery}

Not yet reviewed.

Live tracker: https://kolaboro.com/embed/tracker/one-city-osaka/

## Does One City Osaka have a permit? {#permits}

No permit or licence number is published in the sources we read.

## Who is the developer? {#developer}

Sumitomo Realty & Development: https://kolaboro.com/developers/sumitomo-realty-development/

## What do buyers say? {#reviews}

Kolaboro publishes buyer reviews only from verified buyers (proof of purchase), after moderation, on the project page: https://kolaboro.com/projects/one-city-osaka/#reviews. Developers can reply with documents: https://kolaboro.com/developers/reply/?id=OSA-002

## What changed recently {#changes}

No change found between dated copies of the developer page.

## Sources {#sources}

- https://rumavi.com/en/new-developments/japan/osaka-city/one-city-osaka
- https://kolaboro.com/api/v1/projects/one-city-osaka (all facts as JSON)

## How to cite {#cite}

Kolaboro, "One City Osaka: facts on record", https://kolaboro.com/projects/one-city-osaka/, checked 2026-11-12, CC BY 4.0.