About us

Nolan Infrastructure & Design is a Seattle-based engineering and design consultancy providing civil engineering, infrastructure planning, architectural design, project management, and technical advisory services. We help clients transform ideas into practical, sustainable, and resilient infrastructure solutions.

Why Nolan Was Founded

Learn about Nolanid’s origins and evolution

Founder & Leadership

Meet Timothy Disbennet Nolan, Founder & Principal Engineer, and learn about the experience, leadership, and vision behind Nolan Infrastructure & Design.

Our approach

Discover how Nolan Infrastructure & Design delivers successful projects through collaboration, technical expertise, and practical solutions.

Who we are

About Nolan Infrastructure & Design.

Founded by Timothy Disbennet Nolan, Nolan Infrastructure & Design was established to provide thoughtful engineering, infrastructure, and design solutions that create lasting value for clients and communities.

With experience spanning civil engineering, infrastructure planning, transportation projects, construction management, structural assessment, and architectural design, the firm brings together technical expertise and practical project delivery experience.

Based in Seattle and serving clients across North America, Nolan Infrastructure & Design supports projects from early planning and feasibility studies through detailed design, construction, and long-term asset management.

Our approach combines technical excellence, collaboration, and innovation to deliver solutions that are functional, sustainable, and responsive to the unique needs of every project. Whether supporting public agencies, private developers, or community organizations, we are committed to delivering infrastructure and built environments that stand the test of time.

Our mission

Our mission

Our mission is to deliver practical engineering and design solutions that improve communities, strengthen infrastructure, and create long-term value. We believe successful projects are built on trust, technical excellence, collaboration, and a commitment to quality at every stage of delivery.

Areas of Expertise

Civil Engineering

Infrastructure Planning

Architectural Design

Bridge Design & Engineering

Construction Management

Project Management

Building Information Modeling (BIM)

Structural Assessment & Inspection

Technical Advisory Services