Since we live in the era of information and communication, what has attracted the attention of all
companies and organizations is investment in information technology and efficiency resulting from it.
Nowadays, great amount of saving in resources and reduction in costs of organizations have occurred by using
information technology which has increased the efficiency of organizations. A main hypothesis and two subhypotheses
were developed to investigate significance of the difference between the efficiency of Parks and
Green Space Organization of Mashhad Municipality before and after application of information technology. Based on research findings, the main hypothesis and the sub-hypotheses were confirmed and it was shown that application of information technology in Parks and Green Space Organization of Mashhad Municipality has respectively increased optimum use of human resources and information resources and, therefore, increased efficiency of that organization. At the end of the article, practical suggestions are presented based on research findings for effective and efficient application of information technology to increase the efficiency of organizations.