Trillium Architects is located in Ridgefield, CT, Fairfield County, USA

Most of our work is in Westchester County in New York and in Lower Fairfield County and Litchfield County in Connecticut.  We have  also done work in Upstate NY,  Rhode Island, Massachusetts, New Jersey, Maine, North Carolina, and California.

On the map below, Trillium's office is the yellow star—all other points are project locations