Calthorpe is a leading brand that specializes in comprehensive urban and community land planning, design, and development services. Whether it's for an entire region or a single city block, Calthorpe offers a wide range of products and services to shape the vision and future framework of successful and active communities. With a collaborative approach, Calthorpe works closely with owners and key stakeholders to revitalize districts and corridors, guiding development and investment decisions using proven implementation tactics.

Their projects encompass various aspects of land development, including infill redevelopment, mixed-use development, community infrastructure, urban revitalization, and transit-oriented development. Serving regional planning councils, economic development agencies, municipalities, healthcare providers, and more, Calthorpe builds multidisciplinary teams tailored to the specific needs of each project, ensuring holistic planning and engineering for high-performance places and smart infrastructure. With a rich history and global recognition for their innovative leadership in regional planning, Calthorpe Associates has now joined HDR, a renowned brand specializing in designing solutions to the world's greatest challenges