The area of Jamsil Baseball Stadium is 26,331 square metres (283,420 sq ft).
Grass on the field was replaced, drains were installed, and sprinklers were upgraded to prevent heavy rain damage.
[1] In 2009, a viewing party was held at the stadium for the final game of the 2009 World Baseball Classic between South Korea and Japan.
[2] After the 2012 baseball season, Seoul Metropolitan Facilities Management Corporation changed the soil of the ground for easier maintenance and prevention of injuries.
They changed all seats except for the third floor, built a new locker room for the away team, and remodeled restrooms for fans.