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Business Details
29 Years
experience
Your Trusted Structural Engineering Partner in Portland, OR
Established in 1997, Lewis & Van Vleet has dedicated itself to delivering world-class structural engineering solutions tailored to meet modern challenges. Our team of registered professional engineers collaborates closely with architects, contractors, and developers to transform visions into reality through practical, cost-effective, and innovative designs. With licenses in over 15 states, we combine decades of collective experience with a client-centric approach, ensuring timely delivery and unwavering commitment to quality.

Our philosophy emphasizes sustained growth, team development, and community engagement, positioning us as trusted partners in both large-scale and specialized projects. From seismic upgrades to multi-family residential developments, we prioritize individualized success while maintaining a steadfast focus on exceeding client expectations.
Services
Structural Engineering Consulting Services Seismic Upgrades Multi-Family Projects Commercial Engineering Industrial Structures Institutional Projects
Details
  • Year established: 1997
Highlights and features
  • We offer 25+ years of combined engineering experience across diverse project types.
  • Our team holds licenses in 15+ states, ensuring broad regulatory expertise.
  • We maintain a collaborative approach with architects and contractors for seamless project execution.
  • We publish technical white papers addressing critical industry challenges like bleacher safety.
  • We prioritize community engagement through partnerships and volunteer initiatives.
Services
Structural Engineering
Our structural engineering services encompass comprehensive analysis and design for buildings, bridges, and specialized structures. We utilize advanced software and adhere to local and national codes to ensure safety, durability, and compliance. Clients benefit from tailored solutions that balance innovation with cost-effectiveness for projects ranging from small renovations to large-scale developments.
Seismic Upgrades
We specialize in seismic evaluation and retrofitting of existing structures to meet modern safety standards. Our engineers conduct detailed assessments and implement reinforcement strategies that enhance resilience while minimizing disruption. This service is critical for clients in high-risk regions seeking to protect investments and ensure occupant safety through code-compliant upgrades.
Consulting Services
Our consulting services provide expert guidance on structural challenges, material selection, and construction methodologies. We collaborate with stakeholders during all project phases to optimize designs, resolve technical issues, and ensure alignment with budgetary and timeline goals. Clients gain access to seasoned professionals with deep industry knowledge and a track record of successful project delivery.
People
Scott DeBo
Managing Partner
With 25+ years in engineering operations, Scott oversees business development and project fulfillment. He emphasizes client satisfaction through quality service and ethical practices while serving on industry boards and officiating Division 1 basketball.
Gary J. Lewis
Principal
A licensed structural engineer with 30+ years of experience, Gary specializes in diverse project types. He holds leadership roles in professional organizations and contributes to advancing industry standards through active participation in engineering associations.
Michael T. Daily
Partner
Michael brings nearly 30 years of structural engineering expertise, including technical publications on bleacher safety. He volunteers extensively in community programs and serves as treasurer for the Structural Engineers Association of Oregon.
Questions
What types of projects do you specialize in?
We specialize in commercial, industrial, institutional, and multi-family residential projects, including seismic upgrades and specialty structures like fabric and movable systems.
In which states are you licensed to work?
Our engineers hold licenses in Oregon, Washington, California, Arizona, Nevada, Idaho, and 10 additional states to serve diverse geographic needs.
How do you ensure project timelines are met?
We maintain a collaborative workflow with clients and partners, leveraging our experience to anticipate challenges and implement efficient solutions without compromising quality.
Do you offer emergency structural assessments?
While we don't provide 24/7 emergency services, we prioritize urgent client needs during business hours and partner with local experts for after-hours support.