The Dallas Downtown Improvement District (DDID), created in 1992 (renewed 2001, 2006, 2013 & 2020), funds supplemental services and amenities that have helped to create and sustain Downtown Dallas as a dynamic, mixed-use neighborhood. The assessment paid by properties in the DDID funds safety and cleaning programs, transportation enhancements, park and public space beautification and management, economic planning, promotion of Downtown Dallas special events, and related services approved by the Dallas City Council. The DDID is managed by Downtown Dallas, Inc.

The current DDID term runs until December 31, 2027, with annual budget and assessment rate subject to a public hearing and Dallas City Council approval.