
The Northwest Division operates in Washington and across California, where Flatiron is a leading local contractor. The Division is responsible for significant and signature projects in northern California and Washington state.

Contact
Mike Costa
SVP and Division Manager
Office Information
Northern California District
Washington District
Key Contacts

Mike Costa
Northwest Division
Flatiron's Northwest Division has extensive experience building and repairing transportation infrastructure on the West Coast of the U.S. With operations across California and in Washington, Flatiron specializes in bridge and roadway construction, managed lane projects, transit and rail work, utility and underground projects, airport improvement projects and other civil infrastructure. The Division is currently constructing the Presidio Parkway project, a public-private partnership to reconstruct the approach to the Golden Gate Bridge in San Francisco. Our California Contractor License No. is 772589.
Key Projects
Presidio Parkway Phase IICalaveras DamEchoWater NST Project (Nitrifying Sidestream Treatment)Division News
Flatiron’s Route 20 Timbuctoo Project Awarded “Conventional State Highway Project of The Year” by California Transportation Foundation (CTF)
Flatiron Engineer Amy Moore Awarded “Young Engineer of the Year” by PSEC
Amy Moore, Flatiron’s Project Engineer in the Northwest Division, has been selected as the recipient of the “Young Engineer of the Year” Award by Puget Sound Engineering Council…