Business Details
30 Years
experience
Emergency
services
Trusted Excavation and Underground Services in Northeast South Dakota
LL & Sons Excavating has served Northeast South Dakota since 1996, delivering excavation and underground infrastructure solutions for residential and commercial clients. Founded by Loren Beld with a single skid-steer, our company has grown to operate full-size excavators and specialized equipment while maintaining family-owned values. Our expertise spans water and sewer systems, septic installations, grading, and aggregate supply, supported by 20+ years of hands-on experience in both emergency repairs and large-scale development projects.We prioritize precision in basement excavation, site preparation, and hydro-vac services, ensuring projects stay on schedule and within budget. Our commitment to quality extends to material delivery, including crushed gravel, sand, and boulders, tailored to meet diverse construction needs. With a focus on customer satisfaction, we serve both long-standing and new clients across Hamlin County, Watertown, and Brookings, combining technical skill with reliable service.
Services
Excavation
Underground Pipe Work
Septic Systems
Water & Sewer Repair
Grading
Demolition
Aggregate Delivery
Hydro Vac Services
Site Preparation
Dewatering
Details
- Year established: 1996
Highlights and features
- We offer 20+ years of hands-on experience in excavation and underground infrastructure.
- Our family-owned business maintains personalized service while operating advanced equipment.
- We provide comprehensive solutions from emergency repairs to large-scale development projects.
- Our team delivers precise grading and site preparation for residential and commercial needs.
- We supply diverse aggregate materials including crushed gravel, sand, and boulders.
Services
Excavation
Our excavation services handle residential and commercial projects with precision. We use advanced equipment for basement digging, footing preparation, and large-scale site development. Clients benefit from timely execution and adherence to project specifications.
Septic Systems
We design and install durable septic systems tailored to property requirements. Our team also replaces tanks and repairs faulty components. Residential clients trust our expertise for long-term wastewater management solutions.
Aggregate Delivery
We deliver screened gravel, crushed rock, and specialty materials like 18"+ boulders. Our inventory supports construction, landscaping, and road surfacing needs. Clients receive accurate quantities for projects of all sizes.
Hydro Vac Services
Our hydro vac truck safely excavates around utilities using high-pressure water. This method prevents damage to underground pipes and cables. Commercial clients rely on this precision for utility maintenance and repair projects.
Site Preparation
We prepare construction sites by removing vegetation and grading land. Excavators and loaders efficiently transform landscapes for residential or commercial development. Clients receive cleared, level sites ready for building.
Questions
What excavation services do you offer?
We handle residential and commercial excavation including basements, footings, grading, and site preparation using modern equipment.
Do you install septic systems?
Yes, we design, install, and repair septic systems including tank replacements and line maintenance for residential properties.
What areas do you serve?
We operate throughout Northeast South Dakota including Watertown, Brookings, and Hamlin County.
Can you deliver construction materials?
Yes, we supply crushed gravel, sand, boulders, and other aggregates for construction and landscaping projects.
Do you handle emergency repairs?
Yes, we provide urgent water line, sewer, and septic repair services to minimize property damage.
What equipment do you use?
We operate excavators, hydro vac trucks, loaders, and specialized tools for precise digging and material handling.
