Flatiron develops innovative solutions to build critical infrastructure and landmark projects across North America. Founded in 1947 and named after nearby rock foundations in Boulder, Flatiron’s headquarters offices are in Broomfield, Colorado.

Office Information

Flatiron Corporate Office

385 Interlocken Crescent
Suite 900
Broomfield, Colorado 80021
Phone: 303-485-4050
Fax: 303-485-3922
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Corporate Headquarters

From our headquarters office in Broomfield, Colorado and at our Division and project location across North America, Flatiron develops innovative solutions to build critical infrastructure and landmark projects. Flatiron’s headquarters team includes executive leadership as well as operations, human resources, information technology, legal, marketing and finance professionals. The Central and Large Projects Divisions are also located in Broomfield.