New Houses for Sale in Koshigaya City, Saitama
Showing 1-48 of 411 new detached houses in Koshigaya City (越谷市)
Browse listings categorized as new detached houses (新築一戸建て) in Koshigaya City, Saitama. Check the completion date, building documents, warranty terms and condition for each property before making an offer.
Available Properties
Koshigaya property types
Exchange rates updated November 2026
New detached houses
ViewingMedian asking price: $277K · 405 priced
5th–95th percentile: $196K - $379K
Saitama median: $258K · 10,804 priced
Used detached houses
~310
Median asking price: $188K · 313 priced
5th–95th percentile: $94K - $547K
Saitama median: $157K · 10,633 priced
Older detached houses (pre-1981)
~20
Median asking price: $61K · 20 priced
5th–95th percentile: $22K - $159K
Saitama median: $62K · 1,425 priced
Condos
~160
Median asking price: $188K · 158 priced
5th–95th percentile: $55K - $398K
Saitama median: $188K · 4,429 priced
Land
~270
Median asking price: $151K · 265 priced
5th–95th percentile: $37K - $321K
Saitama median: $136K · 5,323 priced
Active listing asks, not sale prices. Uses the listed price, or the upper ask when missing; missing and nonpositive prices are excluded. Pre-1981 homes also appear in used houses. Small samples may not reflect the wider market.















































