Overview of Rumon Kongou Aoba Oka (ルモン金剛青葉丘)
Rumon Kongou Aoba Oka (ルモン金剛青葉丘) is a 26-year-old condominium located at Tondabayashi Shi Kada 3 Choume 2-29 (富田林市加太3丁目2-29), Osaka, Japan. Built in 2000, it comprises 52 units in a Reinforced Concrete (RC) structure. It was constructed by Hase Kou Kooporeeshon (長谷工コーポレーション).
Pricing & Floor Plans
Based on 22 past listings, prices have ranged from 1,490〜1,880万円 (approx. $99,333–$125,333 USD at ¥150/$).
Unit sizes range from 73.6–78.8 sqm (792–848 sqft). Note: Japanese measurements refer to exclusive-use area (interior only, no common areas).
Available layouts: 2LDK (2-bedroom w/ living-dining-kitchen), 2SLDK (2-bedroom w/ living-dining-kitchen + service room), 3LDK (3-bedroom w/ living-dining-kitchen).
Estimated price per sqm: ¥21.5万/sqm (approx. $1,436/sqm or $133/sqft).
Location & Neighborhood
The property is located at Tondabayashi Shi Kada 3 Choume 2-29 (富田林市加太3丁目2-29), Osaka, Japan. It is a 9-minute walk to the nearest station. This is considered good station access by Japanese standards.
Investment Perspective
Building depreciation: In Japan, buildings depreciate significantly over time. Wood-frame houses depreciate to near-zero value at around 22 years, while RC structures depreciate more slowly but still lose value. At 26 years old, much of the building's value has already depreciated — the price largely reflects land value and location premium.
Scale advantage: With 52 units, this is a relatively large condominium. Larger buildings typically benefit from lower per-unit maintenance and repair reserve costs.
Key cultural note: Unlike the US where properties typically appreciate over time, Japanese buildings depreciate while the underlying land tends to hold or gain value. This means buyers should evaluate the land-to-building value ratio carefully.
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