J. Co. Contracting Services 
Site and Civil Concrete and Masonry Infrastructure
Here at J. Co. Contracting we have built a reputation as the go to subcontractor for large scale site and civil industrial infrastructure projects. We have a high success rate working with our client and city officials to streamline project scope, timeline, and safety. Concrete parking lots, storm drain structures, curbing, headwalls, and sidewalks are a few of the many products we provide. To accomplish this, we use the most aggressive and efficient forming equipment and machine technology available, such as curb machines, roller screeds, and laser screeds. We pride ourselves in efficiency and quality by employing the most highly trained form setters and finishers in the industry.
Frequenty Asked Questions
What is site and civil concrete work in construction?
Site and civil concrete work includes everything that supports infrastructure projects—curbs, gutters, sidewalks, drainage structures, paving, and retaining systems. In Arizona, these elements must meet municipal and ADOT standards and often require engineered drawings and inspections. J. Co. Contracting provides the crews, equipment, and technical knowledge to complete civil concrete work efficiently while maintaining compliance with local codes.
Why is proper site preparation important before pouring concrete?
Site prep is critical because it ensures the soil is compacted and graded correctly, which prevents cracking, settling, or drainage issues down the road. In Arizona, where soils can be rocky, sandy, or expansive, proper subgrade prep makes a major difference in long-term performance. A qualified contractor will provide compaction testing, grading, and erosion control measures before any concrete is placed.
What types of infrastructure projects require concrete and masonry work?
Civil projects such as roads, parking lots, sidewalks, storm drains, bridges, and utility structures all depend on concrete and masonry. In Arizona, these projects must often align with ADOT specifications, city engineering standards, and public works inspection requirements. J. Co. has experience working on municipal and private infrastructure projects that require both precision and speed to minimize disruption.