Lund Opsahl

Communities Built by Inspired Engineering

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About the firm

Lund Opsahl is an award-winning structural engineering practice based in Seattle, Washington. Operating with a singular focus on structural engineering, it serves a broad range of building types - from civic and community centers to multi-family residential, healthcare, hospitality, and parks - with an emphasis on collaboration, creative structural solutions, and clarity of intent in construction. Founded by Marjorie Lund and Peter Opsahl, the practice has grown to a team of principals and associates serving clients across the Pacific Northwest.

Team
Small
Firm type
Structural Engineering

Credentials

Just 3.0 Label

People

Shawn RobergePrincipal

Tony MasonPrincipal

Owen BowerPrincipal

Amy KuoAssociate

Blake BerghSenior Design Engineer

Casey MooreSenior Design Engineer

Stephen LauAssociate

Marjorie LundPrincipal Emeritus

Peter OpsahlPrincipal Emeritus

Capabilities

Building Structural Design

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Distilling the essential components of every project forms the basis of this structural work. Regardless of size, shape, or materials, the team brings a rigorous analytical approach to the design and detailing of new and complex building structures.

  • Design-Build Structural Engineering
  • Progressive Design-Build
  • GC/CM Structural Delivery
  • Lean Design and Material Minimization

Seismic Retrofits and Historic Renovations, Adaptive Re-use

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Balancing the preservation of historic aesthetics with modern safety upgrades, these engineering solutions extend the lifespan of existing structures. The process coordinates evaluations and design to address aging materials and undocumented building systems.

  • Seismic Retrofit Design
  • Historic Building Renovation
  • Adaptive Reuse Structural Engineering
  • Seismic Evaluations

Sustainable Design

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Developing and implementing efficient structural systems minimizes material use and waste. The practice champions cutting-edge sustainable materials, such as mass timber, and alternate project delivery methods to limit the environmental impact of construction.

  • Mass Timber Structural Systems
  • Carbon Sequestering Design

Master Planning and Structural Studies

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Collaborating with architects and owners on feasibility studies and campus planning provides the analytical clarity needed to guide decades of future growth for major institutions.

  • Structural Feasibility Studies
  • Campus Planning Support

Tenant Improvements

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Renovating, improving, or adding onto existing structures houses new occupants while preserving structural stability. The design team handles modifications ranging from minor layout updates to extensive specialty installations.

  • Office Buildouts
  • Brewery and Specialty Tenant Installations
  • Floor Plate Modifications

Construction Engineering

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Facilitating the safe and efficient assembly of complex designs, this structural support leverages hands-on experience to assist contractors. Solutions include shoring systems, underpinning, temporary rigging, and crane logistics.

  • Shoring Systems Design
  • Underpinning Design
  • Temporary Rigging and Bracing
  • Tower Crane Support
  • Fall Protection Engineering

Special Projects

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Providing customized structural solutions for unique, non-standard items that lack standard templates. Work includes movable art installations, industrial equipment platforms, pedestrian bridges, and medical equipment supports.

  • Art Installations
  • Industrial Equipment Platforms
  • Pedestrian Bridges
  • Medical Equipment Supports

Industries

Government · Commercial · Education · Healthcare · Life Sciences · Transit · Industrial · Residential · Multifamily Residential · Parks & Open Space · Sports & Recreation · Hospitality · Aviation

Projects

Orenda at Othello Square

Seattle, WA · Multifamily Residential

Project details

Structural engineering for a multi-unit residential building.