Engineering
Architecture
Planning

TKDA is a full-service engineering, architecture and planning firm committed to improving communities, helping business and industry grow and building long-term relationships with our clients. We have been serving clients across the country for more than 110 years. With a team of more than 300 highly trained employee owners, TKDA is your single source for lasting design solutions.

Divisions
Our Work
The right solutions to meet all your needs

Our experienced in-house team of architects, engineers and planners is ready to take on your toughest project. Every TKDA project is approached as the start of a long-term relationship.

Our Work
Careers
Be part of our success

As a multidisciplined team of engineering, architecture, planning, and environmental professionals, we understand the importance and value of teamwork. At TKDA, you will be much more than a number because every team member provides impactful contributions.

Careers
Our Company
Engineering
Architecture
Planning

TKDA provides full-service engineering, architecture and planning solutions to a wide variety of clients throughout the country. We are passionate about building long-term relationships and creating better communities.

Our Company
What's New
Jeannine Clancy joins APWA Board of Directors
The American Public Works Association (APWA) welcomed TKDA's Jeannine Clancy to the Board of Directors at this year's Public Works Expo. APWA serves professionals in... Read more
TKDA Expands Transportation and Facilities Capabilities in the Pacific Northwest with Acquisition
TKDA is excited to announce our acquisition of Seattle-based Sáez Consulting Engineers (SCE), a civil and structural engineering firm specializing in serving public and private... Read more
Providing the assistance your community needs for the Lead Service Line Inventory.
Through the Lead and Copper Rule Revisions (LCRR), the Environmental Protection Agency announced new regulations affecting service pipes that contain lead. The LCRR requires public... Read more
News
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