Serving all of St. Joseph, Cass, and the surrounding areas

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Mack Gravel pit Gravel pit

All the Building Materials You Will Need

Roberts Bros Excavating Inc. is your top source in the Three Rivers area for building materials. Whether it's gravel, stone, beach sand, or topsoil, you can count on us to have what you need.

  • Slag

  • Mason sand

  • Screened or unscreened topsoil

  • River rock

  • Pea stone

  • Crushed stone and crushed concrete

  • Base materials 22A and 23A road gravel

  • Asphalt milings

  • Crushed asphalt

  • Colored Mulch

  • Other aggregates available

Other aggregates available

Trucking and job-site delivery services are available for any materials you purchase from us. Besides the materials listed above, we also carry limestone, 6A drain stone, ornamental boulders and rocks, beach sand, and crushed asphalt.


Concrete and asphalt drop-offs are accepted for recycling on location. We also have an 80-foot scale to accommodate your semi with leads and or trains.

Delivery services for any material

Licensed and Insured


Family owned and operated for over 50 years