Frequently Asked Questions

Castlerock Construction & Concrete is based in De Smet, South Dakota, and serves projects throughout South Dakota, the Midwest, and the surrounding multi-state region, extending south through Nebraska, Kansas, Oklahoma, and Texas. We are willing to quote commercial and large-scale projects anywhere in the United States — contact us to discuss your project location.

Absolutely. Castlerock handles everything from custom home builds and residential remodels to large commercial construction, grain bin foundations, earthwork, deep foundations, and utility work. We'd love to hear about your project to see if we'd make a good fit.

The easiest way is to fill out our contact form or call us at (605) 854-6003. We will schedule a time to review your project, answer your questions, and provide a detailed quote.

We specialize in large-scale concrete projects including flatwork (floors, driveways, aprons), bin foundations, retaining and structural walls, and decorative concrete. We have extensive experience in both residential and commercial concrete.

Yes. Castlerock is a proud authorized Lester Buildings dealer. Lester Buildings are engineered pole buildings known for their quality, durability, and warranty. We handle the full process from design and permitting through construction.

Safety is a core value at Castlerock, not an afterthought. We follow OSHA guidelines, conduct regular safety training, require proper PPE on all job sites, and perform pre-task safety planning on every project. A safe job site protects our crew, our clients, and the public.

Yes. Our design team offers full interior design services including floor plans, elevations, and 3D renderings. We are an authorized Dura Supreme cabinetry dealer, offering a wide range of styles, finishes, and configurations for kitchens, bathrooms, and built-ins.