Public engineering firm profile
Tacoma, WA
Creating environments of learning, living, working, and connecting through high quality professional design
Tres West Engineers, Inc. is a Tacoma, Washington-based MEP engineering practice founded in 1976. Serving Washington, Oregon, and Idaho, it provides comprehensive mechanical, electrical, and technology systems design services. The practice has completed thousands of projects across diverse sectors, including K-12 and higher education, multifamily residential developments, transit facilities, military installations, and public parks throughout the Pacific Northwest.
Comprehensive design of climate control, fluid, and life safety piping systems to optimize building comfort, safety, and energy efficiency.
Power distribution and illumination designs developed to ensure reliable operations, modern control, and sustainable energy utilization.
Integrated communication, security, and low-voltage systems engineered to keep building occupants connected and secure.
Analytical assessments and modeling to evaluate building performance, power quality, and long-term economic viability.
Field observation and administrative support during the build process to verify quality, resolve technical issues, and ensure proper project closeout.
2009 | Mountlake Terrace, WA | Community Transit | Transit
MEP design for Community Transit's Mountlake Terrace Park & Ride, which serves as a key transit link between Snohomish County and Downtown Seattle. The facility was awarded a Green Globes certification in 2011 for environmental and energy-efficient design.
View project source2014 | Seattle, WA | Multifamily Residential
Mechanical and electrical design services for a 40-story luxury high-rise residential tower.
View project source1985 | Tumwater, WA | Education
Design services for a replacement elementary school facility, marking the first school design project completed by the practice.
View project source1989 | East Olympia, WA | Education
School construction design project completed in the late 1980s.
View project source1980 | Tacoma, WA | Parks & Open Space
Design assistance for opening a new park in Old Town Tacoma along Ruston Way, later renamed Jack Hyde Park.
View project sourceSeattle, WA | Parks & Open Space
Engineering design services for zoo facilities and landmarks in the Pacific Northwest.
View project sourceTacoma, WA | Arts & Culture
System upgrade and preservation engineering design for the historic theatre.
View project sourceSeattle, WA | Arts & Culture
Engineering designs for the prominent Seattle waterfront public aquarium.
View project source1998 | Washington, Oregon, and Idaho | Starbucks | Retail
Comprehensive surveys and facility design services for over 130 Starbucks stores throughout the Pacific Northwest region.
View project sourceTacoma, WA | Hospitality
Engineering services for hotel and hospitality development integrated with the regional convention center.
View project sourceSeattle, WA | Multifamily Residential
Mechanical and electrical design services for a high-rise residential apartment building.
View project sourceSeattle, WA | Multifamily Residential
Mechanical and electrical systems design for a 12-story apartment development.
View project sourcePresident
Jenifer Moore joined as President in 2016, leading the leadership team and establishing its mission to create high-quality environments for learning, living, working, and connecting.
Owner / Mechanical Engineering Lead
Sean Roy became an owner in 2013 and serves as the lead for the mechanical engineering discipline.
Owner / Electrical Engineering Lead
David Moore became an owner in 2013 and leads the electrical engineering department.