Overview of Isehara Daiyamondomanshon (伊勢原ダイヤモンドマンション)
Isehara Daiyamondomanshon (伊勢原ダイヤモンドマンション) is a 37-year-old condominium located at Iseharashi Shirone 454-2 (伊勢原市白根454-2), Kanagawa, Japan. Built in 1989, it comprises 30 units in a Reinforced Concrete (RC) structure. It was constructed by Hazamagumi (間組).
Pricing & Floor Plans
Based on 18 past listings, prices have ranged from 690〜1,490万円 (approx. $46,000–$99,333 USD at ¥150/$).
Unit sizes range from 58.6–68.5 sqm (631–737 sqft). Note: Japanese measurements refer to exclusive-use area (interior only, no common areas).
Available layouts: 3DK (3-bedroom w/ dining-kitchen), 3LDK (3-bedroom w/ living-dining-kitchen).
Estimated price per sqm: ¥22.1万/sqm (approx. $1,473/sqm or $137/sqft).
Location & Neighborhood
The property is located at Iseharashi Shirone 454-2 (伊勢原市白根454-2), Kanagawa, Japan. It is a 10-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 37 years old, much of the building's value has already depreciated — the price largely reflects land value and location premium.
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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