Overview of Kosumosuteeji Hibari Ke Oka Amyuujia (コスモステージひばりヶ丘アミュージア)
Kosumosuteeji Hibari Ke Oka Amyuujia (コスモステージひばりヶ丘アミュージア) is a 23-year-old condominium located at Niiza Shi Kurihara 1 Choume 6-19 (新座市栗原1丁目6-19), Saitama, Japan. Built in 2003, it comprises 164 units in a Reinforced Concrete (RC) structure. It was constructed by Kiuchi Kensetsu (木内建設).
Pricing & Floor Plans
Based on 91 past listings, prices have ranged from 2,160〜4,399万円 (approx. $144,000–$293,267 USD at ¥150/$).
Unit sizes range from 67.7–99.3 sqm (729–1069 sqft). Note: Japanese measurements refer to exclusive-use area (interior only, no common areas).
Available layouts: 2SLDK (2-bedroom w/ living-dining-kitchen + service room), 3LDK (3-bedroom w/ living-dining-kitchen), 4LDK (4-bedroom w/ living-dining-kitchen), 3SLDK (3-bedroom w/ living-dining-kitchen + service room), 5LDK (5-bedroom w/ living-dining-kitchen).
Estimated price per sqm: ¥47.6万/sqm (approx. $3,171/sqm or $295/sqft).
Location & Neighborhood
The property is located at Niiza Shi Kurihara 1 Choume 6-19 (新座市栗原1丁目6-19), Saitama, Japan. It is a 15-minute walk to the nearest station. In Japan, station proximity significantly affects property values and daily convenience.
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 23 years old, much of the building's value has already depreciated — the price largely reflects land value and location premium.
Scale advantage: With 164 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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