Optimizing the function of green open spaces in office parks is something that needs
to be considered. Considering the role of the environmental service is very
important. The purpose of this study is to find out about the role of the
environmental service in optimizing the function of green open spaces in the office
environment park and the constraints and solutions faced by the environmental
service. This research is a type of empirical legal research, by taking location in
Tridadi Village, Sleman. The type of data used is primary data obtained through
interviews with respondents and secondary data obtained by literature study. The
role of the Sleman environmental service is quite good, but there are still some
obstacles in optimizing the function of green open spaces. Therefore, the
environmental service is trying to build more complete facilities and increase the
area of green open space and active community participation