TRUSTED BY:

COMMERCIAL, AGRICULTURAL, AND INDUSTRIAL SUBCONTRACTOR IN MINNESOTA

One Source for Concrete, Precast, Masonry & Site-Mix

Choose SJB for efficient, full-scope coverage that saves time and delivers consistent quality.

CAREERS

Years of Experience

Full-time Team Members

1500+

Projects completed

95%

Customer Intent to Referral

Reliable partners make all the difference.

Tight deadlines, fluctuating material costs, and design changes are inevitable in construction—but coordination issues and delays don’t have to be. General contractors need experienced, efficient subcontractors who keep projects running smoothly and deliver on their promises without constant oversight.

Our Services

We've got you covered from initial planning stages to final installation.

Preconstruction

Early planning and risk assessment

Concrete

Cast-in-place, flatwork, and structural concrete

Precast

High-performance precast components

Masonry

Expert craftsmanship in block, brick, and stone

Site Mix CONCRETE

Fresh concrete mixed on your jobsite

SJB Delivers a Seamless Build

Our integrated service model prevents common setbacks and keeps your project on track:

Eliminate coordination issues between subcontractors.

Compress your schedule and keep fast-track projects on pace.

Ensure uniform quality with a single team managing every scope.

ABOUT US

Featured Projects

Explore in-progress and recently completed projects.

VIEW PROJECTS

SJB Office, Montrose, MN (Precast)

Sonstegard Food Company,
Hartley, IA (Precast)

Costco, Chaska, MN (Concrete)

We've had the pleasure of working with SJB on several dental office buildouts over the past few years. Their team consistently delivers top-notch concrete work, from slab pours, masonry, stone and to site prep, with excellent attention to detail and a commitment to getting the job done right. They're reliable, communicate clearly, and always show up ready to work. Their expertise has been a key part of keeping our projects on schedule and our clients happy. We highly recommend SJB for any commercial construction projects needing dependable and high-quality concrete or masonry work.

Tim Keppel

Sr. Project Manager, Heritage Construction