Business Details
39 Years
experience
Expert Construction and Earthwork Services in Bergen, NY
Diehl Development has built a reputation as a trusted leader in earthwork and site development since 1987. Our expertise in mass grading, underground construction, and full-service site work is rooted in decades of hands-on experience and a deep understanding of soil and aggregate dynamics. With a fleet of over 65 heavy machines, including 11 GPS-capable units, we deliver precision and efficiency on both private and public projects. Our team's 35+ years of experience in commercial, residential, and municipal markets ensures every client receives quality construction on time and within budget.From athletic fields to industrial complexes, we combine technical expertise with a commitment to safety and client satisfaction. Our gravel quarry operations have further enhanced our ability to manage large-scale earthwork projects, moving up to 300,000 cubic yards of material per job. As a certified Land Improvement Contractor of America, we maintain industry-leading standards while continuously investing in cutting-edge technology to serve clients across New York State.
Services
Excavating
Mass Grading
Earthwork
Site Work
Underground Construction
Foundation Excavation
Backfill
Public Projects
Commercial Projects
Residential Projects
Details
- Year established: 1987
Highlights and features
- 35+ years of specialized earthwork experience since 1987
- 65+ heavy machines including 11 GPS-capable units
- Proven track record with public and private sector projects
- Deep soil and aggregate expertise from gravel quarry operations
- Certified Land Improvement Contractor with industry-leading standards
Associations and certifications
- Land Improvement Contractors of America (LICA)
Services
Excavating
Our excavating services handle foundation preparation and large-scale earth removal projects. Using modern equipment and GPS technology, we ensure precise grading and site preparation for commercial and residential developments. With experience in complex soil structures, we deliver efficient solutions for projects ranging from small foundations to industrial sites.
Mass Grading
Specializing in large-scale mass grading, we move up to 300,000 cubic yards of earth per project. Our GPS-guided machinery ensures accurate elevation adjustments for infrastructure projects, athletic fields, and commercial developments. This service prepares sites for construction while maintaining soil stability and drainage requirements.
Underground Construction
We provide comprehensive underground construction services including utility installation and trenching. Our expertise covers water, sewer, and storm drainage systems for both public and private developments. With specialized equipment and experienced crews, we ensure safe and code-compliant installations for infrastructure projects.
Public Projects
As a certified contractor, we complete public works projects for school districts, municipalities, and state agencies. Our experience includes athletic fields, park developments, and infrastructure improvements. We follow strict compliance standards while delivering quality construction that meets public sector requirements.
Site Work
Our full-service site work includes grading, excavation, and infrastructure preparation. We handle projects from initial planning to final grading for commercial, residential, and industrial developments. With in-house equipment and experienced teams, we ensure sites are ready for construction within specified timelines.
People
Charlie Diehl
Owner
Founder of Diehl Development since 1987, Charlie began with two machines and expanded into a leading construction contractor. His gravel quarry experience enhanced earthwork capabilities, while his leadership established the company's reputation for quality site development across New York State.
Questions
What services does Diehl Development offer?
We provide earthmoving, mass grading, foundation excavation, underground construction, and full-service site work for commercial, residential, and public sector clients.
How long has Diehl Development been in business?
Founded in 1987 by Charlie Diehl, we have over 35 years of experience in earthwork and construction contracting.
What areas do you serve?
Based in Bergen, NY, we operate throughout New York State including projects for municipalities, school districts, and state agencies.
What equipment does Diehl Development use?
Our fleet includes 65+ heavy machines with 11 GPS-capable units for precision earthwork and site development projects.
Are you certified for public works projects?
Yes, we work as both prime contractor and subcontractor for public projects including school districts, SUNY campuses, and NYS OGS.