Business Details
50+ Years
experience
Your Trusted Partner for Construction Solutions in Concord, CA
At Independent Construction, we bring over a century of expertise to every project, rooted in a legacy that began in 1910. Our company was purchased by A.J. McCosker in 1938, establishing a tradition of craftsmanship and honesty that continues today under third-generation leader Brian McCosker. With one of the largest dirt-moving fleets in the United States, we handle projects of all sizesfrom small developments to large-scale infrastructurewith precision and efficiency. Our commitment to excellence is reflected in our ability to complete work on or ahead of schedule while maintaining strict budget adherence. We serve developers, cities, and municipalities across California and the Western United States, prioritizing safety through rigorous training programs and compliance with Cal/OSHA, MSHA, and environmental regulations.Our fleet, maintained to the highest standards and registered with the Air Resource Board, ensures minimal downtime and maximum productivity. As a family-owned business spanning three generations, we combine deep industry knowledge with a personal dedication to client satisfaction. Our reputation for quality has set industry benchmarks for over 100 years, supported by a team of seasoned professionals in construction, estimating, and operations. We guarantee projects you can take pride in, delivered exactly when you need them, backed by the resources and expertise of a trusted regional leader.
Services
Grading
Paving
Land Development
Construction Management
Public Works
Subdivision Development
Geotechnical Improvements
Mass Excavation
Details
- Year established: 1910
Highlights and features
- We have over 110 years of experience in construction across the Western U.S.
- Our fleet includes 150+ modern machines for efficient large-scale projects.
- Family-owned for three generations with proven leadership continuity.
- Maintain one of the safest industry records with comprehensive training programs.
- Complete projects on or ahead of schedule with dedicated resources.
Services
Mass Grading
Our mass grading services prepare large sites for development using high-capacity equipment. We handle earthmoving volumes up to 1 million cubic yards per project, ensuring proper drainage and foundation stability. Clients benefit from faster timelines due to our fleet's efficiency and experienced operators.
Asphalt Paving
We provide complete asphalt paving solutions for roads, parking lots, and site developments. Our process includes base preparation, hot mix application, and compaction using state-of-the-art rollers. Clients receive durable, smooth surfaces meeting Caltrans specifications and local municipal standards.
Construction Management
Our team manages all project phases from planning to completion. Services include scheduling, budget control, quality assurance, and subcontractor coordination. Clients gain single-point accountability while leveraging our 110 years of construction expertise for risk mitigation.
Land Development
We transform raw land into functional sites with utilities, roads, and infrastructure. Our capabilities include subdivision development, storm drainage, and utility installation. Clients receive fully permitted, code-compliant developments ready for building construction.
Geotechnical Improvements
Our geotechnical work addresses soil challenges through compaction, grouting, and reinforcement techniques. Projects include slope stabilization and foundation preparation in challenging terrain. Clients benefit from enhanced site safety and reduced long-term maintenance costs.
People
Brian McCosker
President
Third-generation leader with 30+ years in construction management. Oversees operations and strategic direction while maintaining hands-on project involvement. Graduated from UC Berkeley with a civil engineering degree and actively mentors junior staff.
Eric McCosker
Vice President
Manages financial operations and project budgeting. Holds an MBA from Stanford and has implemented cost-control systems reducing project overruns by 40% since 2015. Oversees contract negotiations and risk assessment processes.
Ron Nooteboom
Vice President - Operations
25-year construction industry veteran with expertise in equipment logistics and workforce management. Directs daily operations across four regional offices, optimizing resource allocation for simultaneous multi-site projects across California.
Zach Neu
Vice President - Estimating
Leads pre-construction cost analysis and bid preparation. Certified Professional Estimator with 18 years of experience in heavy civil projects. Develops detailed takeoffs and value-engineering proposals to enhance client ROI.
Judy Fain
Manager of Human Resources and Safety Administrator
CHRM-certified HR leader with 22 years in construction workforce management. Develops safety training programs and administers compliance with OSHA and MSHA regulations. Holds a Master's in Organizational Development from San Francisco State University.
Questions
What construction services does Independent Construction offer?
We specialize in grading, paving, land development, subdivision projects, and geotechnical improvements for public and private clients across the Western U.S.
How long has Independent Construction been in business?
Since 1910, making us one of the oldest continuously operating construction firms in California with three generations of family leadership.
What safety certifications does Independent Construction hold?
Our team maintains Cal/OSHA, MSHA, HAZWOPER, and Confined Space certifications, with a safety record recognized as one of the industry's best.
Do you work on both public and private construction projects?
Yes, we serve municipalities, developers, and private landowners for projects ranging from infrastructure to residential subdivisions.
What areas do you serve?
Primarily California and the Western United States, with regional offices in Concord, Lodi, Valencia, and North Highlands.
How does Independent Construction ensure project timelines?
With our large equipment fleet and dedicated crews, we guarantee on-time completion through efficient resource allocation and scheduling.
