Project Awards
Outstanding Project Awards: 2025-2026
Each year at our Annual Conference, CalGeo puts the spotlight on the best geotechnical projects in the state with our Outstanding Project Awards. A panel of peers selects the year's finest work in a number of categories, providing winners with a powerful new marketing message and everyone with the opportunity to learn from exciting, innovative approaches to challenging situations.
Dates
The current project awards submission is for projects completed and constructed between January 1, 2021, and December 31, 2025 (NOTE: For projects submitted as Academic/Research, publication must have occurred between January 1, 2023, and December 31, 2025). Awards will be given at our Annual Conference in 2026 but they are for projects that have been completed by the end of 2025.
Entries
Download the requirements (PDF) below to see the current rules for the OPAs. Submissions are only open to CalGeo members. A fee of $150 is required for each entry. Firms/individuals may submit multiple entries but will only be awarded a maximum of one award per category. Honorable mention awards are often awarded if multiple submissions prove exceptional.
Affiliate Member Submissions
Affiliates may submit under the Geo-Contractor category with no restrictions on project budget or cost.
*Please note: Our application form & fee payment are available online at the above links.
PAST WINNERS
2024-2025
To be announced on April 11.
2023-2024
Large-Private Project
Langan Engineering and Environmental Sciences | Oyster Point Landfill Redevelopment, Phase 1
Honorable Mention: ENGEO Incorporated | Pier 70 Special Use District (SUD) Redevelopment
Large-Public Project
Langan Engineering and Environmental Sciences | Mission Rock, Phase 1
Honorable Mention: ENGEO Incorporated | River Islands Community Flood Control Project
Medium-Private Project
Leighton Consulting | Sunset Glenoaks Studios
Honorable Mention: ENGEO Incorporated | Potrero Power Plant Shoreline Stabilization
Small-Private Project
C2Earth, Inc. | Residential Re-development on a Dormant, Deep-seated Landslide
Small-Public Project
Haley & Aldrich, Inc. | City of Brentwood - Wastewater Treatment Plant Expansion - Phase II
2022-2023
Large-Private Project
ENGEO Incorporated | Treasure Island Redevelopment Phase 1, San Francisco
Honorable Mention: Group Delta Consultants | SoFi Stadium and Mixed-Use Development, Inglewood
Large-Public Project
Leighton Group | Long Beach International Gateway
Medium-Private Project
Langan Engineering and Environmental Consultants | 1064 Mission Street
Honorable Mention: Rockridge Geotechnical | 2016 Telegraph Avenue (Forma)
Geo-Contractor Category
Malcolm Drilling Company | University of California Law San Francisco Campus, San Francisco
2021-2022
Large-Private Project
ENGEO Incorporated for 1450 Bayhill Drive (YouTube) Shoring, San Bruno
Large-Public Project
WSP | Mid-Coast Corridor Transit Project, San Diego
Honorable Mention: Rockridge Geotechnical | Mid-Coast Corridor Transit Project, San Diego
Medium-Private Project
Leighton | Reinforced Soil Mat for Settlement Mitigation, Irvine
Medium-Public Project
Geocon for SMUD Museum of Science and Curiosity (MOSAC), Sacramento
Honorable Mention: ENGEO Incorporated for Riverside Elementary - Lateral Spreading Restraint Element Design, San Pablo
Geo-Contractor Category
Keller North America for Alameda Marina Ground Improvements & Shoreline Stabilization, Alameda
Honorable Mention: Rockridge Geotechnical (for geotechnical consulting work on Keller's winning project)
2020-2021
Large-Public Project
Langan | Highland Hospital, Oakland
Honorable Mention: ENGEO Incorporated | Goldfields 200-Year Levee Project, Marysville
Medium-Public Project
ENGEO Incorporated | Claire Lilienthal Elementary School Ground Improvements, San Francisco
Honorable Mention: Cal Engineering & Geology | Zone 7 -Chain of Lakes Facility #1 Stabilization Project, Pleasanton
Geo-Contractor Category
Advanced Geosolutions | Alameda Landing, Alameda
2019-2020
Large-Private Project
Langan Engineering & Environmental Services | Chase Center and Mixed-use Development, San Francisco
Honorable Mention: Leighton Consulting | Carlsbad Desalination Plant & Pipeline
Large-Public Project
Blackburn Consulting | Southport Early Implementation Setback Levee, Sacramento
Medium-Private Project
GMU Geotechnical | Inn at the Mission, San Juan Capistrano
Medium-Public Project
ENGEO Incorporated | WETA Central Bay Operations & Maintenance Facility, Alameda Point
Honorable Mention: Condor Earth Technologies | Oakdale Irrigation District Two-mile Bar Tunnel, Knights Ferry
Honorable Mention: Geocon | Upper Blackwelder Lake Dam, Beale AFB
Honorable Mention: Cal Engineering & Geology | Emergency Landslide Stabilization, Slope above Kami Ct., San Ramon
Honorable Mention: Terracosta Consulting | Emergency Infill of "Koch's Crack" Sea Cave, La Jolla
Small-Public Project
ENGEO Incorporated | Roseville City Hall Annex, Roseville
Geo-Contractor Category
Farrell Design-Build | Historic Marshall Hotel, Sacramento
2018-2019
Large-Private Project
ARUP | 181 Fremont Tower, San Francisco, CA
Honorable Mention: GMU Geotechnical | Los Patrones Parkway, Rancho Mission Viejo, CA
Large-Public Project
Diaz Yourman & Associates | Southwest Airlines LAX Terminal 1, Los Angeles, CA
Honorable Mention: Petra Geotechnical | Wilson High School Auditorium Modernization, Long Beach, CA
Medium-Private Project
GMU Geotechnical | South Cove Development, Dana Point, CA
Medium-Public Project
Cal Engineering & Geology | Penitencia Delivery Main & Penitencia Force Main Seismic retrofit San Jose, CA
Small-Public Project
Geocon | Trinity County HBP Bridges, Rancho Cordova, CA
2017-2018
Large-Private Project
ENGEO Incorporated | Blu Harbor Redevelopment, Redwood City, CA
Large-Public Project
Leighton Consulting | Burris Pump Station, Anaheim, CA
Medium-Public Project
Cal Engineering & Geology | Oro Loma Wet Weather Equalization Project, San Lorenzo, CA
Medium-Private Project
JC Baldwin Construction | Martin Resorts Shore Cliff Lodge Bluff Stabilization, Pismo Beach, CA
Honorable Mentions
Geocon | Miller Lake Dam, Beale AFB, CA
GMU Geotechnical | Emerald Bay Entrance Widening, Laguna Beach, CA
2016-2017
Large-Private Project
Hayward Baker | International Market Place, Waikiki, Oahu, HI
Large-Public Project
Geocon Consultants, Inc. | Golden One Center (Sacramento Entertainment and Sports Center), Sacramento
Medium-Public Project
Holdrege & Kull Consulting Engineers and Geologists | Closed Lincoln Landfill Groundwater Corrective Action Project, Lincoln
Honorable Mention
Blackburn Consulting | Cosumnes River Boulevard Extension & I-5 Interchange, Sacramento
2015-2016
Large-Private Project
Hayward Baker | TL-6914 Loveland to Los Coches Substations, San Diego County, CA
Large-Public Project
Diaz-Yourman & Associates | Anaheim Regional Transportation Intermodel Center (ARTIC), Anaheim, CA
Medium-Public Project
Cal Engineering & Geology | San Francisco Bay Trail/George Miller Regional Trail, Martinez & Port Costa, CA
Honorable Mention
The Sutton Group | Redwood Road Landslide Stabilization, Oakland, CA
2014-2015
Large Project
Leighton Consulting, Inc. | Santa Ana Regional Interceptor (SARI) Relocation, Orange County, CA
Medium Project
C2Earth, Inc. | Lefteroff Residential Development, Portola Valley, CA
Honorable Mentions
Geocon, Inc. | Adobe Estate (Laurel Pointe), Vista, CA
ENGEO Inc. | Gallery at Central Park, North Apartments, Santa Clara, CA
2013-2014
Large Project
Diaz-Yourman & Associates | Tom Bradley International Terminal at Los Angeles International Airport, Los Angeles, CA
Medium Project
GMU Geotechnical, Inc. | Philemon Drive Landslide Repair, Dana Point, CA
2012-2013
Large Project
Fugro Consultants, Inc. | San Francisco-Oakland Bay Bridge East Span Foundation, San Francisco Bay, CA
Medium Project
ENGEO | San Mateo Bayfront Levee Improvement Project, San Mateo, CA
Small Project
TerraPacific Consultants, Inc./DBM Contractors, Inc. | University House Rehabilitation-Slope Stabilization, La Jolla, CA
Honorable Mentions
- Caltrans/SFCTA | Presidio Parkway Phase 1, San Francisco
- Condor Earth Technologies, Inc. | Tulloch Hydroelectric Projects – 3rd Unit Addition, Jamestown
- Diaz-Yourman & Associates | Storm Drain Protection-Mid City/Exposition LRT, La Brea Crossing, Los Angeles
- Geotechnologies, Inc. | Pauley Pavilion Expansion, UCLA Campus
- Petra Geotrechnical, Inc. | 1st Street Viaduct Widening, Los Angeles
- Taber Consultants | Nord Highway Bridge at Mud Creek, Chico
2011-2012
Medium Projects
Geocon Consultants, Inc. | PCWA Gold Run Pipeline Replacement - Phase IV, Gold Run, Placer County, CA
Blackburn Consulting | Sacramento Railyards Bridges, Sacramento, CA
2010-2011
Large Project
Leighton Consulting, Inc. | Nohl Canyon Water Storage Tank, Anaheim, CA and Diaz-Yourman & Associates | Cabrillo Way Marina, Port of Los Angeles
Medium Project
ENGEO Incorporated | Pacific Cannery Lofts, Oakland, CA
Small Project
Upp Geotechnology, Inc. | Emergency Ocean Bluff Stabilization, Moss Beach, CA
2009-2010
Large Project
BSK Associates | Minarets High School, O'Neals, CA
Medium Project
ENGEO Incorporated | Trestle Glen, Colma, CA
Honorable Mentions
- American Geotechnical, Inc. | Seaview Landslide Repair, San Clemente;
- Condor Earth Technologies, Inc. | Oakdale Irrigation District So. Main Canal Improvement Project, Oakdale;
- Leighton Consulting, Inc. | Metro Gold Line Eastside Extension, Los Angeles, and;
- Stoney-Miller Consultants, Inc. | Portola Hills II, Area A Landslide Remediation, Lake Forest
2008-2009
Medium Project
TerraCosta Consulting Group | Wilson Cover Floating Dock and Small Boat Mooring Installation, San Clemente Island
Small Project
Upp Geotechnology | Willow Creek Landslide Repair, Campbell
2007-2008
Large Project
Geoform/Stoney Miller Consultants | Bluebird Canyon Landslide, Laguna Beach
Medium Project
Diaz-Yourman & Associates | Port of Long Beach Security Command & Control Center, Long Beach
Honorable MentionLeighton Consulting, Inc. | Penske Truck Leasing Facility
2006-2007
Large Project
Zeiser Kling Consultants, Inc. | Verdugo Mountain Project, Los Angeles
Small Project
Geotechnologies, Inc. | Ennis House Retaining Wall Replacement Project, Los Angeles
2005-2006
Large Project
Terra Costa Consulting Group, Inc. | The Point, Rancho Bernardo
Medium Project
Wallace-Kuhl & Assoc., Inc. | CalPERS Headquarters Expansion, Sacramento
2004-2005
Large Projects
Diaz-Yourman & Assoc. | Pier T Container Terminal, Long Beach
Leighton Consulting, Inc. | Carnival Cruise Line Terminal & Berth, Long Beach
2003-2004
Large Project
GeoSoils Consultants, Inc. | The Painted Turtle Camp, Lake Hughes
Small Project
Kleinfelder, Inc. | Wildgoose Natural Gas Storage Expansion, Gridley
Honorable Mention
Vector Engineering | Monterey Peninsula Landfill Module 4, Monterey
2002-2003
Large Project
Diaz-Yourman & Assoc. | Port of Los Angeles Pier 400 Building & Gate Facilities, Los Angeles
Small Project
Geotechnologies, Inc. | USC's North Science Building Project, Los Angeles
Honorable Mention
David H. Lee & Assoc., Inc. | Via Cerro Rebal Landslide, San Juan Capistrano
2001-2002
Outstanding Projects
Kleinfelder, Inc. | Crestview/Pinehurst Landslide, Millbrae
Diaz-Yourman & Assoc. | Henry Ford Avenue Grade Separation, Long Beach
R.T. Frankian & Assoc. | Golden Valley Road Phase One & High School, Merced
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