Monthly Used Tower Condominium Market Trends: Tokyo's Central Areas Decline, Osaka Shows Overall Downturn (June 2026 Data)

Mercury Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Takahiro Jin; Securities Code: 5025; hereinafter "the Company"), a provider of real estate marketing platforms leveraging real estate big data and technologies such as AI, announces the latest circulation trends of used tower condominiums based on its proprietary survey.

This report presents data by administrative district for Tokyo's 23 wards and Osaka City for June 2026.

Tokyo's 23 Wards

A total of 1,052 units were circulated in Tokyo's 23 wards, with an average price of ¥192.61 million per 70㎡. The highest average price was in Chiyoda Ward at ¥310.39 million, while the lowest was in Katsushika Ward at ¥91.62 million. Katsushika Ward was the only district where the average price per 70㎡ fell below ¥100 million. Year-on-year, the 23 wards collectively declined by ¥9.05 million (-4.5%) compared to the previous year. Month-on-month, prices also fell by ¥6.62 million (-3.3%). While 14 wards saw price increases year-on-year, 7 wards experienced declines, with particularly notable price drops in central areas.

Osaka City

In Osaka City, 520 units were circulated, with an average price of ¥122.14 million per 70㎡. The highest average price was in Kita Ward at ¥154.56 million, and the lowest was in Konohana Ward at ¥32.81 million. Four districts exceeded an average price of ¥100 million. Year-on-year, Osaka City as a whole increased by ¥14.23 million (+13.2%) compared to the previous year, but month-on-month prices dropped by ¥10.40 million (-7.8%). Among the 13 districts with supply, only 3 saw price increases, indicating an overall shift toward price declines.

・Calculated based on new condominium data and used condominium circulation data from the Realnet Condominium Summary

・Prices per 70㎡ were calculated based on the average floor area of 68.27㎡ for newly developed condominiums in the capital region since 1995 (as of end-March 2026, excluding investment condominiums)

・Target properties are used condominiums with less than 20 years of age and 20 stories or higher, circulated between June 2025 and May 2026 in the target areas

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https://news.real-net.jp/

[About Realnet]

Realnet, provided by the Company, is a real estate marketing platform that integrates real estate big data with the latest technologies.

Currently, it offers multifaceted services such as marketing systems for new condominium developers and content provision for real estate brokers. The Company will continue to make further efforts toward service expansion and improved usability.

Service URL: https://real-net.jp/

[About Mercury Inc.]

Since its founding in 1991, the Company has conducted business leveraging "real estate big data" as its core strength.

With the vision of "We move the future of real estate with Big Data × Technology," the Company now provides real estate marketing platforms by combining traditional big data with advanced technologies such as AI.

Going forward, the Company aims to achieve greater customer satisfaction and business growth by continuously delivering high-quality services. It will continue to provide "confidence" to all stakeholders involved in the real estate business, enabling them to make the best possible choices.

[Company Overview]

Company Name: Mercury Inc.

Headquarters: 42F, Sumitomo Fudosan Roppongi Grand Tower, 3-2-1 Roppongi, Minato-ku, Tokyo

URL: https://mcury.jp/

Representative Director: Takahiro Jin

Established: May 1991