Overview of Iruma Daiyamondomanshon (入間ダイヤモンドマンション)
Iruma Daiyamondomanshon (入間ダイヤモンドマンション) is a 33-year-old condominium located at Irumashi Kasugachou 2 Choume 14-53 (入間市春日町2丁目14-53), Saitama, Japan. Built in 1993, it comprises 35 units in a Reinforced Concrete (RC) structure. It was constructed by Satou Kougyou (佐藤工業).
Pricing & Floor Plans
Based on 24 past listings, prices have ranged from 580〜1,680万円 (approx. $38,667–$112,000 USD at ¥150/$).
Unit sizes range from 49.1–70.7 sqm (529–761 sqft). Note: Japanese measurements refer to exclusive-use area (interior only, no common areas).
Available layouts: 1LDK (1-bedroom w/ living-dining-kitchen), 2LDK (2-bedroom w/ living-dining-kitchen), 2DK (2-bedroom w/ dining-kitchen), 3LDK (3-bedroom w/ living-dining-kitchen), 3DK (3-bedroom w/ dining-kitchen).
Estimated price per sqm: ¥17.3万/sqm (approx. $1,152/sqm or $107/sqft).
Location & Neighborhood
The property is located at Irumashi Kasugachou 2 Choume 14-53 (入間市春日町2丁目14-53), Saitama, Japan. It is a 13-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 33 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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