Overview of Tenpouzan Daisan Koopo (天保山第三コーポ)
Tenpouzan Daisan Koopo (天保山第三コーポ) is a 56-year-old condominium located at Oosakashi Minatoku Chikkou 2 Choume 1-3 (大阪市港区築港2丁目1-3), Osaka, Japan. Built in 1970, it comprises 60 units in a Steel Reinforced Concrete (SRC) structure. It was constructed by Oosakashi Juutaku Kyoukyuu Kousha (大阪市住宅供給公社).
Pricing & Floor Plans
Based on 60 past listings, prices have ranged from 480〜1,690万円 (approx. $32,000–$112,667 USD at ¥150/$).
Unit sizes range from 52.8–66.0 sqm (568–710 sqft). Note: Japanese measurements refer to exclusive-use area (interior only, no common areas).
Available layouts: 1LDK (1-bedroom w/ living-dining-kitchen), 2DK (2-bedroom w/ dining-kitchen), 3LDK (3-bedroom w/ living-dining-kitchen), 3DK (3-bedroom w/ dining-kitchen), 2LDK (2-bedroom w/ living-dining-kitchen).
Estimated price per sqm: ¥21.4万/sqm (approx. $1,425/sqm or $132/sqft).
Location & Neighborhood
The property is located at Oosakashi Minatoku Chikkou 2 Choume 1-3 (大阪市港区築港2丁目1-3), Osaka, Japan. It is a 1-minute walk to the nearest station. This is considered excellent station access in Japan, where most daily errands are done on foot or by train.
Investment Perspective
Seismic standards: Built in 1970, this property predates Japan's 1981 New Seismic Design Standards (新耐震基準). Buildings constructed before June 1981 were built to older earthquake resistance codes. Buyers should consider seismic retrofit status.
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 56 years old, much of the building's value has already depreciated — the price largely reflects land value and location premium.
Scale advantage: With 60 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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