We Do It All



This phase includes constant monitoring and interaction. We keep an eye on budgets to ensure the lowest costs,  stay on top of schedules for timely delivery and work closely with the design team to create your vision.



Working with trusted subcontractors, we keep them accountable throughout the entire build. From sequence to production and quality control, we stay focused on the goal. 



The last step in any build. This phase includes site cleanup, systems training, final inspections and move-in coordination. After completion, we have a final walkthrough to ensure your complete satisfaction. 

Duncan & Duncan Construction Management, Inc.


Mission Statement

Our mission is to provide quality construction services and products to our customers. Our foundation is based on truth and transparency, with a goal to create lasting relationships with our customers and the community. Through experience, education, and commitment to core values, we aim to deliver a superior customer experience to all our customers and clients while upholding ethical business practices. 


A Certified Building Contractor in the State of Florida, we are experienced in commercial, residential, and the government sectors of construction.  Specializing in Construction Supervision and QC Management. we have over 28 years of combined experience in all aspects of the construction industry.  We can perform all your construction needs, from estimating and bidding, to design and budgeting. 

Elizabeth Duncan

Elizabeth Duncan, owner, serves as Vice-President of Duncan & Duncan Construction Management, Inc. A graduate of Daytona State College, Elizabeth holds a Bachelor of Applied Science degree in Management and Supervision. Elizabeth has over 13 years of experience in the construction industry. 

Zebulun Duncan


Zebulun Duncan serves as President of Duncan & Duncan Construction Management, Inc. A graduate of the University of Florida, Zeb holds a Master of Building & Construction and a Bachelor of Science in Industrial Systems Engineering with a Minor in Business Administration. Zeb is a certified building contractor for the State of Florida with over 15 years of experience in the construction industry. Zeb specializes in Construction Management, bidding, estimating, and construction takeoffs.

Service Locations

Duncan & Duncan's residential division is proudly serving Northeast Florida, Duval, St. Johns, and Flagler counties, and the surrounding areas.  Our commercial division proudly serves the states of Florida, Georgia, and Alabama.