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Clients First

4545 Architecture is a small business that  was founded in 2017 and is based in Detroit, MI. Here at 4545, we work one-on-one with clients to bring their vision to execution with your values at the forefront. The founder of 4545 has worked for a myriad of firms but chose 4545 in order to provide clients with the care and attention that he gives to his own home and projects. No matter the size of the firm or the size of the initiative, each project receives the same personal attention that the founder and designer would give to their own projects.


4545 Architecture is a Detroit-based firm with an emphasis on client-centered projects that was established in 2017 by Timothy R. Flintoff Jr. AIA and joined by Joshua Maddox, AIA in 2019. Our boutique firm is well-schooled in architectural history and its practice, giving meticulous attention to all project aspects. The firm has experience in Detroit’s historic and new construction real estate markets, commercial developments and community-based projects working with client programs like Motor City Match. With every project, we strive to provide the highest quality design services to our clients.

True to our mission, 4545 Architecture works with our clients on all aspects of design and construction. We believe in providing sophisticated buildings that meet project timelines and budgets.

Each project is the responsibility of a team of at least one of 4545's principals and support staff who work together to create design solutions. Understanding that every client is unique, we favor hands-on and specifically tailored services for each project. The utilization of technology allows 4545 Architecture to take on projects that are often associated with firms many times its size. 4545 Architecture achieves the highest quality of design, fluently managing, and efficiently executing on-time and on-budget delivery.


Tim Flintoff, Founder


Josh Maddox, Partner


Alisa Jacobs,

Our Vision

To collaboratively build the future imagined of Detroit and beyond  to exceed expectations and provide for what lies ahead.

Our Mission

To collaboratively deliver unforgettable architectural design and innovative technical solutions for America’s intrepid multifamily residential and hospitality leaders.


Our Client-Centered Approach

Fundamental to our beliefs is that a collaborative and responsive relationship with our clients, partners, and community results in the most functional, valuable, and beautiful spaces we are known for.

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