We are a landscape architecture design studio dedicated to creating experientially rich landscapes.

We aim to connect people with their surrounding environment through thoughtful yet simple design gestures. Our design process carefully considers factors such as site context, history, ecology, and materiality to seamlessly blur distinctions between interior and exterior space while improving the quality of life for people within the built environment.

Located in Fort Lauderdale Florida, the studio is led by Michael Callahan who guides a multi-disciplinary team with backgrounds in architecture, landscape architecture and the fine arts. Our design and construction experience includes a range of typologies, scales, and complexities with services focusing on Landscape Architecture within residential, commercial and hospitality developments throughout coastal Florida.

Threshold offers a professional relationship that is personable and centered around the goals and aspirations of our clients. Through a process of collaboration and devotion to craft our work embraces the character of each site with clarity and integrity, while seeking to build a distinguished body of work that is enduring over time.