Whether you are dealing with septic, drainage, utilities, an ADU, an addition, a garage, a renovation, or a property repair, Amex helps you understand the site before the project gets away from you. We look at what is below the surface, what water is doing, where utilities need to run, how equipment will access the site, and what has to happen before construction can move forward.

Construction, Sitework, Septic & Drainage Help for South Shore Homeowners

Fix the site problem. Plan the build. Protect the property.

Our Accessory Dwelling services include:

Accessory Dwelling Units (ADUs) – We handle the entire ADU process, including site planning, design coordination, engineering, permitting, and construction. Whether you’re creating a rental unit, in-law suite, or a standalone backyard cottage, we build ADUs that are fully compliant, efficient, and built to last.

Septic-Compatible ADU Solutions – Many properties in this area rely on septic systems, and adding an ADU requires careful planning. We work closely with engineers and local boards of health to ensure your septic capacity, design, and system upgrades are properly addressed without unnecessary delays.

Custom Stick Built ADUs Designed & Built in Massachusetts

From initial design to final inspection, we oversee every stage of your ADU with clear communication and disciplined execution. We prioritize thoughtful planning, full code compliance, and lasting craftsmanship.

Home Building, Additions & Major Renovation

Our Residential services include:

  • Custom Home Building – From initial design through final occupancy, we manage every detail of the process.

  • Additions & Expansions – Garages, decks, pool houses, and other projects that enhance both value and lifestyle

Our reputation is built on meticulous planning, clear communication, and craftsmanship designed to last.

Complete Sitework & Excavation Services

Construction site with dirt, rocks, and green trees. Two yellow CAT excavators working and two people standing on the right, one holding a shovel.

Septic to Sewer Conversion Services in Massachusetts

Switching from a septic system to a town sewer connection can feel overwhelming. Homeowners often worry about what it means for their property, how long it will take, and what it might cost. At Amex Construction, we specialize in making this transition smooth, stress-free, and built to last.

Our team works directly with local towns and utility departments, handling permits, approvals, and inspections so you don’t have to juggle the paperwork. We take care of every step—from disconnecting your old system to connecting your home to the municipal sewer line—while keeping your yard and property protected as much as possible.

For many homeowners, this upgrade brings long-term peace of mind. No more septic pumping schedules, no surprise system failures, and no uncertainty when it comes time to sell your home. Connecting to the sewer means reliability, lower maintenance, and higher property value.

If you’re facing a failing septic system or just want to explore your options, we’re here to guide you through it with honesty, clarity, and dependable workmanship. We’ve helped local families make the switch—and we’ll be right there with you too.

Why Choose Amex Construction

  • Certified Installation of Innovative/Alternative (I/A) Septic Systems: Our Team is Trained in I/A systems & stays up to date on industry advances

  • Start-to-Finish Collaboration: From the very first soil evaluation and perc test, we work directly with licensed soil evaluators, septic designers, and local boards of health to make sure your system is designed, permitted, and installed the right way.

  • By-the-Book Precision: Every installation follows the engineered plan exactly—no shortcuts, no guesswork. Compliance is guaranteed.

  • Local Expertise: We’ve built systems across Massachusetts. We know each town’s requirements and quirks, which means fewer delays and no surprises.

  • One-Stop Service: We partner with trusted plumbers and electricians so that we can take care of the entire process—including any necessary work inside your home or business. One call, one team, complete peace of mind.

  • Septic to Sewer Conversions: From Title 5 abandonment to Connecting to the Municipal sewer & Specialty pumps like Environmental One - All terrain sewer

  • Full Service, Start to Finish: Testing, design coordination, excavation, installation, inspections—we handle it all so you can focus on selling, buying, or just living in your home without stress.

Septic Installation, Replacement & Title 5 Compliance Across the South Shore

From soil evaluation and engineered design coordination to excavation, installation, final grading, and Board of Health inspection, Amex manages septic projects with the planning and precision Massachusetts properties require.

Construction site with large black corrugated pipes, an orange excavator, and green lawn in the background. Fall trees with orange and yellow leaves under a blue sky.

We Serve:

  • Homeowners (new & existing)

  • Realtors / Home sellers

  • Buyers needing system upgrades

  • Commercial properties

  • Developers & landowners

  • Condo associations & shared systems

We hired Amex Construction for a full tear-down and new home build for us. Mark and Joe were knowledgeable, professional, and worked seamlessly with the architect, engineers, and building department. Their subcontractors were top-notch, and we’re completely satisfied with the results — especially my wife, which says it all
— Homeowner, Pembroke, MA
Amex Construction handled excavation, utility installation, and grading for a new home build in Hull. Everything was completed professionally and per town specifications. As a custom home builder who works with many excavation contractors, I can confidently recommend their expertise and reliability.
— Custom Home Builder, Hanover, MA

See what Our Clients Say

One Contractor. One timeline. From septic and sitework to full construction, get your project built right the first time

Amex Construction helps South Shore homeowners, builders, developers, and commercial property owners move from raw site conditions to build-ready and finished construction — with excavation, utilities, septic, drainage, foundations, ADUs, and commercial construction handled by one accountable team.

Let’s Work Together

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