Your Local Septic System Installation & Replacement Experts

You may require a new septic system installation or replacement, whether you just bought a lot or an existing home. Look no further than Marc Longval at American Excellence Construction & Excavation, servicing Washington, Sunapee, NH, and surrounding areas with expert excavation and septic system installations and replacements. Marc understands the importance of a well-functioning septic system for the safety and health of his family. Marc's over 40 years of experience should give you peace of mind knowing you are in good hands. To schedule a consultation, to schedule a consultation call (603) 494-4202.

Site Engineering

Well Drilling

Excavations

Foundation Excavations

Drainage

Culvert Installations

Ditch Work

Concrete Work

Expertly Engineered Sites

Beyond just design suggestions, Marc's expertise also ensures that the project is more cost-efficient, with optimal placement of stone, pipe, and fill improving drainage and keeping your yard dry. Marc's flawless site engineering for your septic system and drain fields will reduce maintenance costs. Marc will assist in doing all the essential work needed to prep your lot for construction, including mapping the excavation grading and other site needs. 

  • Land Excavation

Local Excavation Services at Your Disposal

Marc's services are unmatched and can help with various projects, including site preparation, foundation digging, and septic system installations. If you're trying to build a new home and sell a swimming pool, landscaping your property or excavation services are essential to prepare your site.

Precision Excavation for Solid Foundations 

Ensure your building is stable, level, and will last for years by choosing American Excellence Construction & Excavation to excavate your foundation. Marc can provide customized excavation solutions to fit your specific foundation needs. Whether you're building a new structure or redoing an existing one, Marc has the expertise to execute your foundation excavation project efficiently and correctly.

  • Foundation Installation

Get Your Water Flowing, Hire the Professionals

Are you looking for a reliable water source for your residential property? Marc works with reliable and trusted well drillers, and will work to ensure the best project outcome to provide you with a consistent and safe water supply. His highly skilled technicians can handle all aspects of well drilling. The upfront cost may be high, but access to your reliable water source makes up for it in the end.

  • Foundation Placing

Expertly Designed Drainage Systems

Poor drainage on your property can result in costly problems, including soil erosion standing water flooding, and damage to your property. Marc will ensure you have drainage suitable to your property-specific needs, such as French drains. Installing proper drainage ensures the following:


  • Protect your property from water damage and erosion
  • Prevent standing water and breeding grounds for insects and mosquitoes
  • Increases the longevity of your driveway and other paved or gravel surfaces
  • Provides wet basement solutions
  • Improves your curb appeal

  • Expert Culvert Installations

    Marc can install culverts, ensuring proper drainage from roads, driveways, and other structures. Marc's expertise, ditch work, and grading will ensure the appropriate installation of your culvert. If you are experiencing drainage issues on your property, a culvert might be the solution for you.

  • Ditch Work for Optimal Drainage

    Ditch work is crucial to any part of a site work project. It allows us to carry large amounts of water away from buildings and other structures. Marc digs ditches such as French drains and swales, with the proper slope to adequately channel water away from your property in combination with appropriate culverts; the water will channel its way off and around your property, ensuring optimal drainage.

From Digging in the Dirt to Concrete Designs

Now that we've got the dirty work complete, we can install a variety of concrete solutions for your property. We work with quality concrete contractors in a close knit fashion to ensure quality and that the project is completed on time. We also install the following:


  • Sidewalks
  • Driveways
  • Walkways
  • Foundations
  • Piers for decks
  • Concrete Floors
  • Excavation Piping

Dedicated to Perfection

With varying soil conditions and building codes between towns and lots, you need someone with the know-how to distinguish between a satisfactory job and an excellent one. With hundreds of projects experience, Marc understands the techniques and nuances required for the perfect excavation job.

To Learn More About Our Excavation Services, Call (603) 494-4202.

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