Core Emphasis in Structural Concrete

Residential foundations
Drilled piers
Retaining walls
Shotcrete Walls, Finished/Unfinished  
Grade beams, spread footings
Slabs on grade, Mat Slabs, False work slabs, Pan deck slabs
Commercial foundations

Drilled piers
Retaining walls
Grade beams, spread footings
Slabs on grade, Mat Slabs, False work slabs, Pan deck slabs
Concrete columns
Site concrete

Drilled piers
Retaining walls (including board formed finishes)
Seat Walls
Grade beams, spread footings
Abutments, Generator Pads, Storm retention basins
Flatwork

Concrete Patios
Concrete stairs
Pool decks and coping
Concrete curbs and gutter pans
Driveways and aprons
Concrete swales
All ADA concrete
Landings
Sidewalks 
Ramps
Truncated domes 
Grooving for traction control on steep
 concrete grades
Architectural Finishes
Integrated Color
Acid etching
Topcast
Salt finish
Sand blasting
Seeded and washed mixes
Broomed
Stamping
Sawcut joints
Ancillary Services

Drainage
Drain mats – Mira drain
Perforated wall drains
Tight line for downspouts
Civil drainage – Pipe, DI’s, dissipaters,  rock outfalls etc.
Concrete swales
Graded swales
Erosion control
Waterproofing
Integral in mix (xypex)
Surface Applied Membrane (Paraseal LG)
Excavation / Grading
Mass Excavation
Pad Grading and compaction
Footing excavation
Utility trenching and backfill
Dirt spoils off haul
Erosion Control
Clear and Grub
Soil Shoring
Permeation grouting
Soil nails
Tiebacks
Shotcrete
Lagging Walls
Demolition
Concrete breakout and removal
Existing structure removal
Off Haul Rubble
Service Area

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 Counties

Marr B. Olsen Inc.

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