Marquess & Associates
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Marquess & Associates
The mission of Marquess & Associates is to provide quality engineering solutions that are responsive to our clients' needs in an innovative, cost effective, and professional manner while benefiting the communities we live in and serve. Founded in 1957 by Walter J. Marquess, P.E., Marquess & Associates Inc. has a longstanding history of providing excellent engineering services to Southern Oregon and the surrounding regions.

We provide comprehensive professional services to clients in both the public and private sectors. Over 80% of our business comes from repeat clients - a gratifying tribute to our commitment to client satisfaction. With complete in-house capabilities we assemble a team from our staff to match each project's unique needs.
Services
Today's clients are interested in building new and complex structures that are visually aesthetic while meeting ever changing energy efficiency and seismic guidelines. This coupled with difficult soil conditions in the surrounding area provide for some challenging projects.

Our structural engineering capabilities include all types of structural analysis, design, structural and seismic evaluations, creation of contract drawings and documents, and construction phase administration services.Additionally, our engineers are well versed in seismic studies and renovations and calculating a variety of snow and wind load conditions found throughout the Pacific Northwest.
Our Civil Engineering Department provides a full range of civil engineering services to a large variety of clients. From homeowners to developers/contractors and government agencies, both local and federal, our experienced civil engineers provide exceptional planning and engineering services.

Our civil team routinely works with other departments within Marquess and other engineering and building professionals to ensure that our designs are efficiently coordinated and cost effective.Counties, cities, local school districts and contractors return to us many times to partner on their projects.
Our Mechanical Department offers comprehensive experience in the design of mechanical systems for a wide range of building types including health care facilities, laboratories, office buildings, schools, industrial food processing, cold storage, and industrial process. We pride ourselves in designing HVAC and plumbing systems that are both efficient and cost effective.
With over 30 years of geotechnical engineering experience over a large variety of projects in Oregon and California, our Geotechnical Department specializes in the region's unique soil, drainage, and seismic conditions. We provide complete geotechnical engineering services to support engineers, architects, contractors, planners and engineering staff of industry and local/state government agencies.
The Marquess Electrical Department's extensive skills and services are an essential part of designing today's highly automated and power-dependent buildings and developments. Cost effective, energy conserving design solutions are required for compliance with energy codes and essential to resource preservation and operating cost management.
Reviews (1)
Brian Winkler
Brian Winkler
Jun 13, 2018
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I reached out to Marquess & Associates for some advice on the feasibility of building a new home on a particular hillside lot in town. The information and expertise shared was invaluable and helped us to steer away from a potential money pit. All "little" details and problems that we had never considered. Looking forward to using them again in the future for all of our building needs.