Service and Service Area:

Quality structural concrete including foundations, footings, piers, retaining walls and flatwork is our business as well as all of the other auxiliary services such as: excavation, grading, shotcrete, drainage, waterproofing, backfilling, utility trenching, drilling, concrete demolition, and spoils off haul.

Often we provide structural concrete services with architectural finishes entailing: board forming and hard trial.

We are diversified for all types of foundation systems, including but not limited to pier and grade beam, slab on grade, conventional spread footings, and post tension slabs.

We have an excellent fleet of trucks, drill rigs, tractors, concrete pumps, excavators, and steel fabrication equipment to deliver flexible onsite service to our customers.

Our flatwork crews are proficient at a variety of finishes including, colored and or textured surfaces of driveways, walkways, porches, steps, landings and more.

We proudly serve a 50 mile radius including but not limited to:  Marin, Sonoma, Napa, and Lake Counties as well as San Francisco, Oakland, Richmond, and Berkeley.

Our Commitment to Safety

The dangers in this industry are real and at Marr B. Olsen Inc. injury prevention is our highest priority. We are committed to providing every team member with a safe and healthy work environment. To meet our objective we work with EEAP: The Safety People and the program Got Safety which provide all of the tools we need for weekly safety meetings and logs as well as routine unannounced jobsite safety inspections. Our team members must work together toward the common goal of eliminating all jobsite hazards and injuries.