Peterson Structural Engineers (PSE) is a single discipline structural engineering and consulting firm specializing in municipal design and evaluations for projects large and small. We bring creative, trailblazing solutions to your structural challenges.


Water, Wastewater & Stormwater

Industry leading expertise in infrastructure for water reservoirs, digesters, pump and lift stations, stormwater facilities and related treatment plants for clean/potable water, recycled/reclaimed water and wastewater. Our extensive experience in the conveyance of water and wastewater includes different types of structures such as aeration basins, clarifiers, digesters, chemical feed facilities, and pumping and diversion structures.

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Civil Structures, Marine Environments, Bridges & Roadway Structures

PSE provides structural engineering and design services for civil structures (such as public buildings, transportation infrastructure and public spaces and bridges and roadways (light-duty bridges for parks, forests, wetlands and private residences). We also have substantial experience working in marine environments (heavy loading from vessel impact, high wind zones and corrosive environments).

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Parks & Recreation, Arts & Entertainment, and  Education

Structural engineering for Parks and Recreation facilities for families and communities to gather, explore, relax and play. Our work in the Arts & Entertainment sector, ranges from simple public art and sculptures to complex structures with multiple moving and actuated parts. In the Education Sector, we have a deep understanding of the structural engineering needs for on and off campus design and construction.

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Commercial & Industrial

Analysis, evaluation and design services for new and renovated facilities for Commercial and Industrial clients. Projects often require a quick turn-around, efficient designs and the coordination around a multitude of design disciplines and equipment needs. PSE’s familiarity with these types of projects enables us to meet these needs.

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Residential & Equestrian

Structural engineering services working directly with homeowners and architects for custom-designed multi-level homes and  residential upgrades and repairs. We also regularly design facilities dedicated to the specific needs of the equestrian community, including the design of specialized structures related to equipment, housing, care, training, showing, and comfort of horses as well as their owners and caretakers.

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Demolition, Contractor Support, Forensics Structural Engineering

Specialized solutions for unusual and tough engineering challenges. Whether the challenge involves partial or full demolition, repair from fire, acts of nature or high impact damage, construction phase support for unexpected conditions, forensic investigations or just a structural design that hasn’t been completed before – PSE is up for the challenge and has the depth of knowledge to facilitate a solution.

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At our core, we are problem solvers, driven to create a safer, more resilient built environment. We take pride in continuing our tradition of delivering tailored engineering solutions for our clients and communities to make their visions a reality.


Our Projects and People

Giving Back Through Trail Work

January 24, 2023|

Vashon Island, Washington trails are being expanded thanks in part to PSE's Project Engineer Mackenzie Lostra, PE! Mackenzie volunteered [...]

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Learn and grow with us.

PSE prides itself on providing its employees with the ability to learn and grow their technical expertise through a wide range of projects. If you are interested in working in a professional (yet casual), high caliber environment, then PSE might be right for you.

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