Koplin Excavating & Grading is your leading landscape stone company in Lake Mills. We provide a vast selection of high-quality landscape stone products, catering to both residential and commercial clients. Whether you are enhancing a garden, building a retaining wall, or creating a unique landscape feature, our decorative stones are chosen for their quality and aesthetic appeal.

Residential and Commercial Excavation Services

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Our Landscape Stone Selection Includes:

Decorative Stones

Ideal for beautifying garden paths, flower beds, and other landscaping features.

Construction Stones

Robust stones perfect for structural projects, ensuring durability and longevity.

As a trusted landscape stone supplier, Koplin Excavating & Grading is dedicated to providing materials that not only meet your design needs but also stand the test of time.

Quality Quarry Products in Lake Mills, WI

At Koplin Excavating & Grading, we are also renowned as a top quarry product supplier in Lake Mills. From our rock and limestone quarries, we extract a variety of quarry materials that are essential for construction and landscaping projects.

Explore Our Quarry Products:

  • Limestone: Perfect for both decorative and structural purposes in landscaping and construction.

  • Aggregate Materials: Including sand, gravel, and crushed stone, crucial for any construction project.

  • Specialty Rock Products: Custom solutions to fit specific project requirements, ensuring versatility and durability.


We adhere to strict environmental standards in our quarry operations, ensuring that all materials are sustainably sourced and of the highest quality.

Top-Quality Topsoil and Mulch Products in Lake Mills, WI

For your landscaping needs, Koplin Excavating & Grading offers the best topsoil and mulch products in Lake Mills. Our topsoil is carefully screened to remove any debris, ensuring it is rich in nutrients and ideal for promoting healthy plant growth. Our mulch products help conserve soil moisture and improve soil health, contributing to vibrant, sustainable landscapes.

Our Topsoil and Mulch Varieties Include:

  • Screened Topsoil: Excellent for gardens and landscaping, providing a clean and nutrient-rich environment for plants.
  • Field Grade Topsoil: Best suited for large-scale landscaping projects that require natural soil properties.
  • Black Mulch: Enhances the visual appeal of your garden while improving soil temperature and moisture retention.
  • Colored Mulch: Available in various colors to match your landscaping design, adding aesthetic value to your property.
  • Organic & Inorganic Mulch: Suitable for different gardening and landscaping needs, providing options for every type of outdoor area.


At Koplin Excavating & Grading, we are committed to enhancing the beauty and functionality of your outdoor spaces with our top-quality products. Whether you need landscape stones, quarry materials, or topsoil and mulch, we provide the best products and services in Lake Mills.

Choose Koplin Excavating & Grading for Your Landscaping Needs

Koplin Excavating & Grading is your trusted partner for high-quality landscape supplies in Lake Mills. Our commitment to customer satisfaction and our focus on providing durable, aesthetically pleasing products make us the preferred choice for landscaping materials.

Contact us today to see how our products can transform your landscape into a beautiful and sustainable environment.

Working Hours

Working Hours

Mon - Fri 7:00 am - 5:00 pm
Sat 8:00 am - 12:00 pm
Sun Closed