4545 Architecture | Clients First

4545 Architecture was founded in 2017 and is based in Detroit, MI. 4545 is a small business that works one on one with clients to bring their vision to execution with the client’s 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 project, each project receives the same personal attention that the founder and designer would give to their own projects.

Timothy Flintoff | Founder

Timothy Flintoff’s project background consists of a full range of architectural services including building evaluations, facilitating work sessions, design, construction documents, specifications, bidding and negotiation, and construction administration.


Mr. Flintoff has worked with a variety of project types including healthcare, higher education, multi-family and industrial projects.

Josh Maddox | Partner

Josh Maddox is a native of Southeastern Michigan. Josh studied architecture at Lawrence Technological University and received his Master of Architecture Degree at Pratt Institute in Brooklyn NY. After returning to Detroit, Josh worked at SmithGroup as a designer and project architect before joining 4545 Architecture. Throughout his career, Josh has delivered projects ranging from in scale from single family houses, higher education projects, to high rise towers. As a designer, Josh’s interests are centered in how projects not only satisfy a client’s programmatic needs, but enhance the users’ experience and strengthen the relationship between the project and the community it’s situated in. In his own community, Josh is an avid cyclist, and in 2014 co-founded WRENCH Detroit, an organization that provides free bicycle maintenance and repair services to children in Detroit neighborhoods. Josh lives with his wife Hailey in a 1912 rowhouse in Detroit’s historic Woodbridge neighborhood.

Company History

4545 Architecture is a Detroit based firm; we focus on client centered projects. 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 that includes involvement from one of 4545 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.

OUR VISION

4545 Architecture, our Vision is to collaboratively build the future imagined.

OUR MISSION

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

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

OUR CLIENT-CENTERED APPROACH TO ARCHITECTURAL DESIGN

248.320.6098

3011 West Grand Blvd.

Suite 400
Detroit,  48202

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