About Us
Mackone Development, Inc. is a general contractor with over 30 years of experience. Founded in 1984, MDI has a vision to provide top-notch construction services. We have completed hundreds of projects specializing in the public works sector. Some notable projects include contracts with Sourcewell, the Judicial Council of California (JCC), the California State University System and UCLA Health System. Our portfolio includes work in sensitive and occupied facilities such as courthouses and hospitals. Consequently, we are skilled at executing projects with minimal to no impact on occupants or end users, ensuring smooth and unobtrusive operations.
Our Services
Expertise in all phases of construction
Tenant Improvement
MDI specializes in transforming existing spaces to suit new tenants' needs. We handle everything from layout changes to fixture upgrades, ensuring minimal disruption while enhancing functionality and aesthetics.
Modernization
MDI updates and improves existing buildings and systems to meet current standards. We integrate new technologies and energy-efficient solutions to enhance performance and efficiency.
Retrofit
MDI performs retrofits to upgrade existing structures with the latest technologies, improve energy efficiency, and meet new requirements, extending the life and functionality of your property.
New Construction
MDI manages new construction projects from design to completion, creating custom-built structures with the latest technologies and materials, tailored to meet your specific needs.
Specialize in Public Works
Including but not limited to:
Courthouses
Healthcare
Water Systems
Education
Military & Prison Environments
Our Team
The team at MDI is dedicated to delivering quality work from concept to completion, ensuring client satisfaction at every stage. We have a skilled team with experience in many different trades, so we can quickly handle any surprises that come up during a project. Since we do a lot of the work ourselves, we can keep a closer eye on quality and stay on schedule. Our Project Managers and Superintendents have diverse construction backgrounds, bringing a wealth of knowledge to each project. Through clear and prompt communication, they keep our clients well-informed and up-to-date, ensuring a thorough understanding of the project's status and progress outlook.
Tai Yang
President & Founder
Tai Yang founded MDI in 1984 after immigrating from Seoul, South Korea. As a young entrepreneur eyeing the American Dream, Tai initially founded a painting company. Tai built a close-knit team by getting personally involved on the job site for all his projects. Tai transitioned to an insurance industry for a couple years until he finally landed in the construction business in 1984. Tai has led Mackone Development Inc. with a dedication to high quality and improving the lives of the people in his community.
Matt Dugan
Vice President
Matt Dugan brings over 25 years of construction experience. He started as a chemist at Carnot Engineering, testing fuel air systems in power plants across the U.S. Now the Vice President at Mackone, Matt oversees the sales cycle of public work bids, from project selection to scope determination and estimating work orders. Since 2012, he has secured three pre-qualified contracts with the Judicial Council of California (JCC), leading to over 360 work orders valued at more than $84 million.