Capable and Trusted Staff
I-5 Skagit River Bridge Replacement
Shoreline SR 99 Aurora Corridor
20/20 Foresight
Mukilteo Station South Platform
Dexter Avenue North Improvements
Trusted to Succeed
Kittitas Valley Wind Farm Project
Everett Commuter Rail Station, Ph 2
CM Not A-Z
Greenbridge HOPE VI Redevelopment

We are construction managers, and for 27 years, KBA has successfully managed public and private construction projects, earning the trust and respect of clients throughout our community.


It's what we do.  No one does it better.

  • An employee-owned firm, founded in 1994 by Kristen A. Betty, PE

  • Home office located in Bellevue, Washington, with satellite offices in Seattle and Mount Vernon

  • Woman-Owned Small Business​

© 2021 by KBA, Inc.

425-455-9720   |

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Mukilteo Station South Platform

Client: Sound Transit Mukilteo, WA KBA provided construction management and inspection services for this $6.4 million project to construct a new south platform at Mukilteo Station. Project work included a new platform within BNSF Railroad right-of-way, with 24-inch drilled shafts, shoring with Cooper E-80 loadings, concrete station platform, two steel and glass stair towers, elevators, overcrossing, landscaping, and art elements.