Hartfield Designs is a boutique interior design studio based in Ann Arbor, Michigan. Founded by Katie Simon, the studio focuses on timeless, layered interiors inspired by historic architecture and designed for modern living.

Working from a deep appreciation for historic homes, Hartfield Designs emphasizes thoughtful materials, functional layouts, and pieces that feel collected over time. The goal is to create spaces with character—rooms that honor the past while supporting the way people live today.