GMU performs comprehensive geotechnical engineering services and has 50 years of experience evaluating soil and rock conditions.
Our complete range of services is applied before, during and after construction to verify stability, meet performance goals and reduce the potential for unexpected problems. GMU’s engineering geologists and geotechnical engineers are specialists in evaluating soil, rock and groundwater conditions for proposed and existing developments. From the planning and design phase through construction and beyond, GMU has the specialized expertise needed to see the job is done right the first time.
NEW – See SEISMIC and NUMERICAL MODELING links below
View our Seismic Hazard Analysis Service Flyer 
Key Contacts
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Greg Silver, M.Sc., PE, GE
President/CEO
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Aron Taylor, MS, PG, CEG, QSP/ QSD
Vice President/Principal
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Mike Moscrop, M.Sc., PE, GE
Vice President/Principal
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Ali Bastani, Phd, PE, GE, F.ASCE
Director of Engineering
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Lisa Bates, PG, CEG, QSP/QSD
Associate Geologist
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Select Geotechnical Engineering and Engineering Geology Projects
- Master Planned Communities
- Rancho Mission Viejo Master Planned Community, County of Orange
- Ladera Ranch Master Planned Community, County of Orange
- Newport Coast/Crystal Cove Master Planned Community, Newport Beach
- Talega Master Planned Community, San Clemente
- RSM Master Planned Community, Rancho Santa Margarita
- Santaluz Master Planned Community, San Diego
- Banning Ranch Development, Newport Beach
- Transportation
- Cow Camp Road and Chiquita Canyon Bridge, County of Orange
- Ortega Highway and Bridge Widening, County of Orange
- Antonio Parkway and Bridge Widening, County of Orange
- La Pata Gap Closure – Roadway and Bridges, County of Orange
- Bake Parkway and Lake Forest Drive – Roadway and Bridges, Irvine
- Dana Point Pedestrian Bridge, Dana Point
- Laguna Niguel Metrolink Station, Laguna Niguel
- High Rise Commercial
- 650 Newport Center – Office Tower and Parking Structure, Newport Beach
- 520 Newport Center – Office Tower and Parking Structures, Newport Beach
- Irvine Spectrum Development, Irvine
- 20-40 Pacifica Office Towers and Parking Structure, Irvine
- University Research Park Commercial Development, Irvine
- Capital Group Corporate Campus, Irvine
- On-Call City Geotechnical Services
- Laguna Niguel
- Newport beach
- Irvine
- Rancho Santa Margarita
- Aliso Viejo
- Laguna Hills
- Chino Hills
- Chino Hills
- Lake Forest
- Dana Point
- Mission Viejo
- City Halls/Civic Centers
- Laguna Niguel
- Vista
- Chino Hills
- Rancho Santa Margarita
- Parks
- Ladera Ranch Sportspark, County of Orange
- Chino Hills Sportspark, Chino Hills
- Crystal Cove State Park, Newport Beach
- Irvine Ranch Outdoor Education Center, County of Orange
- Mission Viejo Dog Park, Mission Viejo
- Sendero Fields, County of Orange
- La Paz Sportspark, Laguna Niguel
- Talega Sportspark, San Clemente
- Harbours
- Dana Point Harbor, County of Orange
- Marina Park Harbor and Sailing Center, Newport Beach
- Landslide
- Philemon Landslide Repair, Dana Point
- Sunset Crossing Landslide Repair, Diamond Bar
- Via Estoril Landslide, Laguna Niguel
- Deerhaven Landslide Repair, City of Orange
- Poppy Trail Landslide Repair, Rolling Hills
- Water Infrastructure
- Gobernadora Multi-Purpose Water Basin, County of Orange
- Trabuco Channel Levee Improvements, County of Orange
- Barranca Channel Levee Improvements, County of Orange
- San Diego Creek Channel Repair, Irvine
- Horno Detention and Water Quality Basin, County of Orange
- Apartment/Hotel
- Hilton Garden Inn, Irvine
- Irvine Marriott, Irvine
- Corona North Main Apartments, Corona
- Hotel del Coronado Seismic Retrofit, San Diego
- Sendero Gateway Apartments, County of Orange
GMU Client List – Select Geotechnical Engineering and Engineering Geology Clients
*Select Clients
Abacus Project Management Inc.
Accell Property Management
Action Property Management
AECOM
Aera Energy LLC
Aliso Viejo Master Association
All American Asphalt
American Automobile Association
AMMCOR
Anaheim Hills Private Association
APA Engineering
Aquatic Technologies
Archer Norris PLC
Architopia
Atherton-Newport
Bacchus Development
Baywood Homes
Belmont Estate HOA
Bernard Construction
Berquist Residence
Bert Howe & Associates
Bio-Rad
Booth Mitchel & Strange LLP
Brent Engineering Inc.
Brooks Street
Buie Stoddard Properties
California Drilling & Blasting Company Inc.
California Joint Powers Insurance Authority (CJPIA)
Capistrano Unified School District
Capistrano Valley Water District
Carmeuse
Carney Associates
Centex Homes
City of Aliso Viejo
City of Anaheim
City of Chino Hills
City of Dana Point
City of Huntington Beach
City of Irvine
City of La Mesa
City of Laguna Beach
City of Laguna Hills
City of Laguna Niguel
City of Lake Forest
City of Los Angeles
City of Malibu
City of Mission Viejo
City of Newport Beach
City of Palos Verdes Estates
City of Rancho Palos Verdes
City of Rancho Santa Margarita
City of San Clemente
City of San Diego
City of San Juan Capistrano
City of Santee
City of Temecula
City of Vista
Civilsource
Clark & Green Associates
Collins, Collins, Muir + Stewart LLP
Connolly Pacific Company
Contractors & Building Trades
Cooksey Toolen Gage Duffy & Woog
Coto de Caza Ltd.
Cotti Foods Corporation
County of Orange
County of Orange – OC Parks
County of Orange – Public Works
County of Riverside
County of Ventura
Crean Lutheran High School
CZ Master Community Association
D.J. Scheffler Inc.
Dale Christian/Structural Engineer Inc.
David P. Hoffman Architects
David Tucker Enterprises Inc.
Dawson & Hannouche
Diaz-Yourman & Associates
DMB Associates
Douglas E. Barnhart Inc.
Dove Canyon Master Association
Drill Tech Drilling & Shoring Inc.
El Toro Materials
Emerald Bay Community Association
Emerald Bay Service District
Eric Talbert & Associates
Exponent
Fenton Grant Mayfield Kaneda & Lift
Fierstadt & Mans
Fiore Racobs & Powers
First Service Residential
Ford EC
Ford Walker Haggerty & Behar LLP
Forma
Foxfire Constructors
Garden Grove Water District
GCI Associates
Genterra
Geobase
Geofirm
Geosoils
Geosyntec
Gordon & Rees LLP
GPI
Grant General Contractors
Graves & King
Green & Hall Inc.
Greenberg Traurig LLP
Greenstone Materials
Hall & Foreman Inc.
Harris and Associates
HDR Engineering Inc.
Hillcrest Contracting
Huitt-Zollars Inc.
Hunsaker & Associates
Irvine Apartment Communities, Inc. (IAC)
Irvine Community Development Corporation (ICDC)
Irvine Company Office Properties (ICOP)
Irvine Ranch Water District
Irvine Retail Properties
ITSI/Gilbane
J.S. Dyer & Associates Inc.
Jacobs Engineering
John Laing Homes
K&G Equities
K&L Gates LLP
Keller Weber & DeBrott
Kendrick Jackson & Kearl
Kerckhoff Designs
Kiewit Construction Inc.
Kiewit Pacific Company
Koll Company
Kron & Card LLP
Kutak Rock LLP
LaBelle-Marvin Inc.
Ladera Ranch Maintenance Corporation (LARMAC)
Laguna Beach County Water District
Laguna Geosciences
Lake Sherwood Development
Lake Sherwood Development Lennar
Land Concern Landscape Architecture LPA
Lapeyre Industrial Sands
Law Offices of Andy Kurz
Law Offices of Nicholas Basakis
Law Offices of Robert Titus
Lennar
Lester & Cantrell LLP
Lewis Brisbois Bisgaard & Smith LLP
Long & Delis
LPA
Lusardi
Lutzky Development
Lyon Communities
M.M. Sundt Construction Company
MAF Architects
Mark Falcon General Contractor
Mark IV Capital
Marshall French & DeGrave
MBF Consulting Inc.
MCE Consultants
Merit Properties
Metropolitan Water District of Southern California
Metropolitan Water District of Southern California
Michael Brandman Associates
Michael Martin Architects
Mine Development & Engineering Corporation
Mitchell Engineering
Montego at Monarch Beach HOA
Morris Sullivan & Lemkul LLP
Morrow & White
Moulton Niguel Water District
Murchison & Cumming LLP
Murex Environmental
Murtaugh Meyer Nelson & Treglia LLP
Musick Peeler
MVE Institutional Inc.
Neil’s Controlled Blasting
Newmeyer & Dillion LLP
NMG Geotechnical
Norcal Engineering
Ocean Ranch HOA
Ortega Rock
O’Melveny & Myers LLP
Pacific Advanced Civil Engineering
Parker • Stanbury LLP
Parkglen Community Management Inc
Parkview Rubidoux
Payne & Fears LLP
PBS&J Company
Pelican Crest HOA
Performance Plus
PM Realty Group
Premier Silica
Professional Community Management
Psomas
Pulte Homes
Rancho Mission Viejo
Rancho Niguel Master Community Association
Rancho Santa Margarita HOA (SAMLARC)
RBF Consulting
RD Olson Development
RDM Architects
Richard Crawford Custom Homes
RJM Design Group
Robert Hidey Architects
Rocky Point Community Association
Rodeo Homes
Roy E. Ladd Inc.
Rutan & Tucker LLP
Sabaitis • O’Callaghan LLP
San Diego County Water Authority
San Juan Creek HOA
San Juan Open Space Foundation
Santa Margarita Company
Santa Margarita Water District
Sauers Construction Inc.
Sea Country Homes
Shank/Balfour Beatty
Shimmick Construction
Shorecliffs HOA
Skebba & Isaac
Snyder Langston
Soil Retention Systems
South Coast Water District
Southern California Grading
Spradlin & Smart
Springel & Fink LLP
St. Margaret Episcopal School
Stantec
Stonefield
Stoney Miller
Sukut Construction Inc.
Summerhill HOA
Sunrise
Talega Associates
Taylor Group
Taylor Woodrow Homes
Tetra Tech
The Phillips Firm
The Warner Group Architects
Toll Brothers
Total Property Management
Trabuco Canyon Water District
Transpacific Management Service
Tripointe Homes
Urban Arena LLC
Villa Pacifica Community Association
Walsh McKean Furcolo LLP
Walsowroth Franklin Bevins & McCall, LLP
Ware Malcomb
Warmington Homes
Watermarke Properties Inc.
Webb Community Management
Weil & Drage
Westar Associates
Western National Group
Western Realco
William Lyon Homes
Woodruff Sprandlin & Smart
Wynewood Company
Yuba County Water Agency
