About Mountain Geology

Mountain Geology, Inc. is a consulting firm of professional Engineering Geologists which was established by Jeffrey W. Holt in 1984. Since our inception, Mountain Geology, Inc. has provided engineering geologic services for clients in Los Angeles, Ventura, and Santa Barbara Counties for property development, construction, and land/home purchases.

Jeffrey Holt, Mountain Geology, Inc.'s owner and Principal Engineering Geologist, is a California Registered Geologist (RG 3814), Certified Engineering Geologist (CEG 1200), and Registered Environmental Assessor (REA 03137) with over 30 years of experience in the field of engineering geology (see Resume'). Mountain Geology, Inc. is also staffed with a highly qualified and skilled team of Project Engineering Geologists.

In our 25 years of service, Mountain Geology, Inc. has developed an impressive clientele of well-respected and well-known members of the Southern California area. While being based in Simi Valley, California, we have provided our services in association with thousands of development and construction projects in Malibu, Topanga, Pacific Palisades, Bel Air, Beverly Hills, Woodland Hills, Encino, Tarzana, Sherman Oaks, Studio City, Hollywood, Simi Valley, Moorpark, Thousand Oaks, Newbury Park, Camarillo, Ventura, Santa Barbara, and on Catalina Island.

As a company, Mountain Geology, Inc. attributes its success to referrals, repeat clientele, and a reputation of exceptional client service. We pride ourselves in our customer satisfaction and our willingness and insight when handling complicated projects from start to finish. In addition, as the City/County Building Departments continue to refine and revise their regulations and codes, Mountain Geology, Inc. will continue to keep aware of the changes and will incorporate them into our current and future projects.


Staff of Mountain Geology

Jeffrey W. Holt
Owner / Principal Engineering Geologist
PG 3814, CEG 1200, REA 03137
Member - AEG Southern California Section
For more information see Jeff's Resume'

Sue Holt
Office Manager

Chrissy Holt
Administrative Assistant