Mark M.
"Working with Diamond D General Engineering was such a smooth experience. They handled our project with care, stayed on schedule, and left everything looking incredibly clean and put together. You can tell they take pride in what they do. Highly recommend them if you want the job done right and without the stress."
From land preparation to large-scale earthmoving, Diamond D General Engineering delivers dependable work built on experience, precision, and pride in the land we serve. Based in Woodland, California, we support farmers, landowners, and contractors with professional equipment, skilled operators, and a commitment to getting the job done right.
Reliable Earthwork & Agricultural Services in Northern California
Our Projects
Diamond D General Engineering is an earthwork company rooted in Northern California, owned and operated by Spencer Defty. With a hands-on approach and a deep understanding of the land, DDGE delivers dependable excavation, grading, and site preparation services that set every project up for success.
Whether it’s preparing agricultural ground or developing new builds, our team brings experience, grit, and attention to detail to every job. We believe in doing honest work, building strong partnerships, and leaving every site better than we found it.
Built on Hard Work.
Driven by Precision.
Diamond D General Engineering is an earthwork company rooted in Northern California, owned and operated by Spencer Defty. With a hands-on approach and a deep understanding of the land, DDGE delivers dependable excavation, grading, and site preparation services that set every project up for success.
Whether it’s preparing agricultural ground or developing new builds, our team brings experience, grit, and attention to detail to every job. We believe in doing honest work, building strong partnerships, and leaving every site better than we found it.
