J&R Earthworks is here to get your project started off on the right foot. Are you ready to build your dream home? Are you adding an addition to your home, work, or office? No project is too big or small for us. Let J&R prepare your build site with our excavation, clearing, grading, drainage installation, landscaping, and many other services geared towards one purpose: to get you ready to build! Commercial & Residential Site Prep. Free Quotes Available. Foundations, Commercial Floor Prep, Footing Setup, Retaining Walls.