Since 1955, Siegfried has been committed to excellence in engineering and design. Through thoughtful planning, technical expertise, and a dedication to quality, our work has been recognized with numerous awards across a wide range of sectors—from civic and healthcare to infrastructure and beyond. These honors reflect not just the projects we deliver, but the passion and precision our team brings to every challenge.
2021
San Juan Unified School District, Casa Roble High School, Student Union
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Best Regional Project Award
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Regional Design Excellence Award
2020
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Regional Distinction Award
2019
East Side Union High School District, Yerba Buena High School, Student Union & Administration Building
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Regional Project of the Year Award
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National Best in Process Award
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National Chairman’s Award
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National Award of Excellence
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National Award of Merit
2018
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Regional Distinction Award
2017
Placer County Animal Services Center
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Regional Distinction Award
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Regional Design Excellence Award
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Regional Merit Award
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Regional Design Excellence Award
2015
Los Rios Community College District, Folsom Lake College, New Gymnasium Building
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Regional Merit Award
2013
California Department of Corrections & Rehabilitation, California Health Care Facility Stockton
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National Award of Excellence
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National Award of Merit
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Regional Merit Award
2012
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WPR Award
2025
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Precast/Presetressed Concrete Institute Design Award
2023
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Sacramento Business Journal’s Best Real Estate Projects of the Year
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ASCE, 2023 Region 9, Outstanding Roadway and Highway Project
2022
2020
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Architizer A+Award Special Mention
2019
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Pursuing Parksmart Gold
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AIA Central Valley Design Award
2018
San Joaquin Regional Transit District (RTD), 100% Electric BRT Express (Route 44), California Transportation Foundation (CTF)
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100% Electric BRT Express (Route 44)
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California Transporation Foundation (CTF)
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Sustainable Transportation/Environmental Project of the Year
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Parksmart Gold
2016
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ASBA Distinguished Multiple-Field Facility
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ASBA Distinguished Track Facility
East Bay Municipal Utilities District, Estates Reservoir
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ASCE Wastewater Project of the Year
2015
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ASBA Outstanding Track Facility of the Year
2025
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LEED Gold
2021
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LEED Gold
2020
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LEED Gold
2019
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LEED Gold
2016
Department of General Services, California Highway Patrol, Replacement Facility
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LEED Silver
2015
Lios Rios Community College District, Folsom Lake College, New Gymnasium Building
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LEED Silver
2012
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LEED Platinum