In operation since 1985, this family-owned business has a service to offer that is difficult to come by in the construction industry.

Our president, Dennis, has been in the construction industry for over 40 years, beginning as a young boy working in his father's construction business. Dennis' son, Denver, followed his steps and similarly grew up working for his father. Denver has a desire to expand 4-D's offerings and brought a new dimension to 4-D services with his creative architect mind.

Now, 4-D has continued their success in quality-built products and added an integral design aspect that exceeds client expectations. We take great joy in being able to provide design development ideas early on in the construction process and in seeing them through to completion.

We appreciate this opportunity to build meaningful relationships with our clients and know they will continue well past project completion.
Executive Team
Dennis Rassi, President
  • Started 4-D Construction based on his experience with his father
  • Construction Management, B.S. (Illinois Wesleyan)
  • Over 40 years of construction experience
Denver Rassi, Vice President
  • Architecture, B.S. (University of Illinois at Urbana-Champaign)
  • Brings over 10 years of innovative design and creative building solutions
Construction Team
Trevor Hartman, Project Manager
Reuben Kaeb, Site Foreman
Austin Romersberger, Site Foreman
Interested in joining the 4-D team? Contact Us today!