Kaplan Thompson Architects

Architecture and PlanningMaine, United States11-50 Employees

Kaplan Thompson Architects is a mid-sized architecture and planning practice based in Portland, Maine. The firm blends sustainable design with architectural craft to deliver high-quality, low-impact buildings that remain on budget, spanning residential, educational, nonprofit, and commercial projects across New England and beyond.

Since 2011, it has been a signatory to the AIA 2030 Commitment, working to reduce energy use and advance toward net-zero buildings by 2030, with goals met annually since 2018 and portfolio carbon reductions exceeding 80% since 2019. It was the first architecture firm in Maine to receive the JUST label for social equity in the workplace and community. In 2026, Kaplan Thompson Architects partnered on a project to design a high-performance, all-wood building using local materials with the aim of net-zero energy and strong durability, and the firm also promoted Cara Bionde to Associate that year.

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