Excavation Done Right From Planning to Completion

As a project owner, you may have specific goals and plans for your property, but why settle for good when you can have great? With over 40 years of experience, Marc Longval is an experienced excavator who can suggest plan improvements and refinements to elevate your project to the next level. Marc is involved in every excavation project, is completely insured, and owns all his equipment. With a sterling reputation among consumers and contractors, call (603) 494-4202 for your next excavation project in Sunapee, NH and surrounding areas.

Dependable Septic System Installations

Marc specializes in new septic system installations for Residential Properties, providing customized solutions to fit your family's and property's unique needs. He uses only the highest quality products available with the latest technology to ensure long-lasting, efficient septic system installations. Choose Marc as your expert installer today.

Trustworthy Septic System Replacements

Is your old septic system failing or no longer meaning the needs of your growing family? American Excellence Construction & Excavation offers efficient septic system replacements. Marc will evaluate your property to determine what replacement solutions are necessary, keeping your budget in mind. He will handle everything from removing the old system, disposal, and installing a new one. Call today to learn more.

Septic System Repairs

If you're experiencing issues with your septic system, Marc can provide a team to resolve your septic issue promptly. From minor repairs to total replacements, we've got you covered.

Septic Systems We Specialize in

Marc specializes in a variety of septic systems, including the following:

Lakefront Septic Systems

specialize in septic systems directly on the shoreline of lakes and understands the specific regulations to protect the water and quality of the water, to prevent contamination.
Waterfront Septic Systems

we understand the adherence to specific regulations regarding water quality protection and specialize in installing and replacing waterfront septic systems, including those along lakes, rivers, and oceans.
Hybrid Septic Systems

if you have a limited space or soil conditions are not ideal, hybrid septic systems may be the perfect solution for your property.