Pleasanton Office
5142 Franklin Drive, Suite B
Pleasanton, CA 94588-3368
Phone: 925-225-0690
Fax: 925-225-0698
pleasanton@msce.com

Click here for Google Maps driving directions
The Pleasanton office was established in 1962 and today serves as the company headquarters, directing land development projects in Alameda, Contra Costa, Napa, San Benito, Santa Clara and Solano Counties.
Some of the successful projects directed by MacKay & Somps’ Pleasanton (or former San Jose) office include:
- Dublin Ranch, Dublin
- 6,000 homes, golf course, commercial and office uses
- Silver Creek Valley Country Club, San Jose
- 1550 homes, 18 hole golf course
- Oakhurst Country Club, Clayton
- 1,000 homes and an 18 hole golf course
- Stoneridge Regional Mall, Pleasanton
- 1.3 million sq. ft. retail mall
- Koll Business Center, Pleasanton
- 1.2 million sq. ft. commercial office use
- Ardenwood, Fremont
- 6,000 homes
Plus, numerous other residential projects in the communities of Union City, Brentwood and Livermore consisting of thousands of homes in aggregate.
Mark. D. McClellan, P.E.
Pleasanton Operations Manager
Click here to view photos of our Pleasanton office team.
Mark McClellan has been with MacKay & Somps for over 10 years. He graduated from Iowa State University in 1994 with a degree in Civil Engineering. After working in Michigan and Indiana for a civil engineering firm, he joined MacKay & Somps as a design engineer and quickly moved into project management. Mark has extensive experience in the land development entitlement process, subdivision design and mapping, and has entitled and managed single-family subdivisions, multi-family in-fill projects and mixed use developments as well as large scale master planned communities. Mark was appointed to Operations Manager of the Pleasanton office in April 2007.
© 2007 MacKay & Somps Civil Engineers, Inc.
