South Shore Construction & Excavation Specialists
Amex Construction is a South Shore, Massachusetts–based construction and excavation company providing residential and commercial building, site preparation, underground utilities, septic systems, and stormwater solutions. Centrally Located in Hanover, MA, we support projects across the South Shore, Cape Cod, and Southeastern Massachusetts from planning through construction.
Excavating Possibilities, Building Realities
“Amex Construction handled 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”
Testimonials
“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.”
Craftsmanship You Can Trust, Services You Can Rely On
Accessory Dwelling Units ( ADU’s)
At Amex Construction, we specialize in designing and building high-quality ADU’S from concept to final inspection, we manage the full project lifecycle with consistent communication and a detailed, transparent approach.
— with a strong focus on ADUs built on septic systems. This region brings unique regulatory and environmental challenges, and our team is deeply experienced in navigating them from start to finish
Our 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.
From concept to final inspection, we manage the full project lifecycle with consistent communication and a detailed, transparent approach. Our reputation is rooted in smart planning, code compliance, and Quality workmanship
Our reputation is built on detailed planning, transparency, and quality work that endures.
Home Building & Additions
At Amex Construction, we provide comprehensive building solutions tailored to your needs. Whether it’s a new custom home or a small addition for a growing family, our goal is to deliver functional, lasting spaces with exceptional craftsmanship.
Our 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.
We oversee the entire project lifecycle — design, permitting, construction, and final inspection — ensuring a smooth, well-communicated process.
Commercial Construction
At Amex Construction, we deliver high-quality solutions for businesses across the South Shore, Cape Cod, and beyond. From large-scale facilities to detailed tenant renovations, our team brings proven expertise and hands-on project management to every project.
Our capabilities include:
Ground-Up Commercial Builds – New construction tailored to your business needs.
Industrial Facility Upgrades – Modernizations that improve efficiency, compliance, and safety.
Tenant Fit-Outs & Renovations – Custom solutions to optimize existing spaces.
We manage the full scope of your project — from pre-construction planning and permitting to final delivery — with a focus on safety, regulatory compliance, and long-term value.
By working collaboratively with developers, architects, engineers, and business owners, we ensure each build is executed with precision, delivered on schedule, and aligned with your vision.
Building With Integrity, From Foundation to Finish
It all starts with a conversation—start yours today.

