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Yellow excavator

Cape Cod's Excavation, Septic & Site Prep Specialists

We work with contractors, homeowners, and real estate agents to shape a plot of land and set up its crucial infrastructure. From digging, clearing, leveling, and installing, we bridge the gap between untouched dirt and a ready-to-build site.

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CUSTOMER LED

FAMILY-OWNED

HIGHLY-TRAINED

who we are

About Quinn's Excavation & Septic, Inc.

As a local, family-owned business, we serve residential and commercial clients across Cape Cod and surrounding areas. We pride ourselves on being a small but agile team, ensuring your project is completed on time, within budget, and to the highest professional standards.

Construction equipment and dumpster on a construction site

WHAT WE OFFER

Explore Our Services

White PVC drainage pipe installed in a deep dirt trench.

septic

We install, inspect, and repair septic systems to protect property value and ensure safe, environmentally compliant waste management.

Excavated yard area prepared for residential sewer installation

sewer

We connect properties to municipal sewer mains and repair main lines for a reliable, low-maintenance wastewater solution.

Worker preparing to install underground water lines in a dug trench.

Water

We dig, install, and upgrade underground water lines to deliver clean, high-pressure water to homes and businesses.

Red and white excavator digging on a residential wooded site

Excavation

We provide precision digging, land clearing, and grading to create a leveled, stable foundation for any construction or landscaping project.

what makes us different

A Small Team with Big Standards

We started small and have intentionally remained that way, ensuring every project receives the dedicated, individualized attention it deserves. When working with us, you can count on clear communication, timely updates, and a project finished on schedule. Our reliability comes down to our owned fleet of heavy machinery, familiarity with town approval processes, and highly responsive customer service.

More About Us
Yellow excavator digging a trench in a wooded area.
Yellow bulldozer on a construction site with trees behind.

See What Our Customers Are Saying

"Adam and his crew installed a new septic for us in Yarmouth. From start to finish the entire process was one of the best experiences we have had. Adam was professional, honest, responsive and right on target with the estimated cost. Cristen was also great and always responded quickly. Would highly recommend Quinn’s Excavation and Septic!"

-JEN K.

"Quinn's was exceptional in answering all of our many questions that we had when we recently worked with them on our new Septic System upgrade that was required for us to sell our home. Adam and Eric were highly recommended and we found them to be extremely good at the work they did for us. Cristen was also very helpful to keep our project on schedule. Highly recommend this company!"

-SUSAN

"The entire crew at Quinn’s is exceptional. From the initial Sales call with Adam, the behind the scenes follow through by Cristen, and the Survey and Excavation teams, everyone was friendly, passionate, and just a pleasure to work with. They all knew we had a deadline to meet and they pushed to get a full system engineered, approved, and installed ahead of plan. We have already recommended Quinn’s to three potential customers."

-MICHAEL M.

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Services
Septic tank installation with pipes and concrete risers in a yard trench.
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