Real estate prices in Koishikawa 1-chome (小石川一丁目), Bunkyo-ku (文京区), Tokyo

Real estate transaction data for Koishikawa 1-chome (小石川一丁目), Bunkyo-ku (文京区), Tokyo. The median price of used condominiums across all of Koishikawa (小石川) in 2021–2025 was ¥56M (318 transactions). See price trends for land, houses and condominiums, population, disaster risk and school districts for free.

No transactions are registered under Koishikawa 1-chome (小石川一丁目) itself, so the table shows transactions for all of Koishikawa (小石川).

• Population 3,804 in 2,033 households (2020 Census)
• Disaster safety score 86/100 (based on flood, liquefaction, landslide, tsunami and landform data; higher is safer)
• Resident Register population 5,069 as of January 2026 (+38.9% vs. 2021)
• Reported criminal offenses in 2025: 38 (10.0 per 1,000 residents), including 4 bicycle thefts (Tokyo Metropolitan Police Department)
• 10-year comparison (median price per ㎡ of used condominiums): 2014–2016 ¥900K/㎡ → 2023–2025 ¥1.40M/㎡ (+55.6%, 95%: +49.2%–+62.2%); value for all of Koishikawa (小石川), as there are few transactions here. The median age of the buildings sold changed from 12 to 20 years, so this differs from the price change of buildings of the same age

Nearby areas

• Nishikata 1-chome (西片一丁目)
• Koishikawa 2-chome (小石川二丁目)
• Koishikawa 3-chome (小石川三丁目)
• Nishikata (西片)
• Nishikata 2-chome (西片二丁目)
• Kasuga 1-chome (春日一丁目)
• Kasuga (春日)
• Hongo 4-chome (本郷四丁目)
• Hakusan 2-chome (白山二丁目)
• Hongo 6-chome (本郷六丁目)
• Hongo 5-chome (本郷五丁目)
• Hakusan 1-chome (白山一丁目)

Related

• Prices by neighborhood in Bunkyo-ku (文京区)
• Area rankings
• View on the map

• What is the livability score?
• How the hazard score is calculated
• About the crime data
• About school district statistics

Sources: MLIT Real Estate Information Library (Real Estate Transaction Price Information), Statistics Bureau of Japan (Census), Tokyo Metropolitan Police Department (reported crimes by town), Saitama, Chiba and Kanagawa Prefectural Police (open crime data), Tokyo Metropolitan Government (Basic Resident Register population), National Land Numerical Information, and others (compiled and processed by topos labs). Individual transaction prices are processed at publication and may differ from actual prices.