Honest Plumbing. Quality Craftsmanship. No Pressure.
We recommend only the work you truly need. We deliver clean, code-compliant craftsmanship at a fair price. Try us out!
Our Services
Plumbing Services
From everyday fixes to complex repairs, Overflow Plumbing Co. offers reliable and honest plumbing solutions you can trust, including emergency plumbing services. We expertly handle repairs and troubleshooting, leaks and clogs, fixture installs, pipe repairs, and PEX conversions, as well as both tank and tankless water heaters. Additionally, our heating services ensure your home remains comfortable year-round. Our goal is simple—quality workmanship, clear communication, and jobs done right the first time.
Heating Services
Stay warm, safe, and efficient with dependable heating services from Overflow Plumbing Co. We specialize in emergency plumbing and offer comprehensive heating services, including the installation and replacement of boilers, repair and maintenance of heating systems, troubleshooting performance issues, and providing efficiency upgrades to help your home run better and last longer. When the heat matters most, you can count on Overflow Plumbing for trustworthy solutions and professional care.
New Construction & Installs
Whether you’re upgrading, remodeling, or building, Overflow Plumbing Co. provides skilled installation work designed to last. We specialize in emergency plumbing services, handling bathroom projects, remodel plumbing, new installs, and system upgrades, as well as new construction plumbing and select light commercial work. In addition to our plumbing expertise, we also offer heating services to ensure your home is comfortable year-round. From planning to completion, we deliver excellence, attention to detail, and craftsmanship you can depend on.
Emergency Calls
When unexpected issues arise, Overflow Plumbing Co. is your go-to for emergency plumbing services. Whether you’re dealing with burst pipes, major leaks, or a lack of hot water, our team is quick to respond to flooding and urgent heating services. We ensure your home is safe and functioning again with honest communication, professional service, and trustworthy solutions when you need them most.
Mini Splits
Meet Our Team!
Mitch - Our Master Plumber
Christopher - Our Business Developer
Christopher - Our Business Developer
Mitch Coy is a co-owner of Overflow Plumbing Co. and a New Hampshire–licensed Master Plumber with gas certification. Mitch started his Plumbing career when he was 18 years old and has been at it for nearly 10 years experience in residential and commercial plumbing, heating, and gas, Mitch brings both technical excellence and steady leadership to every job.
Christopher - Our Business Developer
Christopher - Our Business Developer
Christopher - Our Business Developer
Christopher Daigle is a co-owner of Overflow Plumbing Co. and leads operations and customer experience. He oversees scheduling, communication, and project coordination, ensuring each job runs smoothly and every customer feels informed and taken care of. Christopher partners closely with the Master Plumber on every project to deliver honest service and quality workmanship.
Ashleigh - Our Office Admin
Christopher - Our Business Developer
Ashleigh - Our Office Admin
Ashleigh Coy is the wife of Mitch and mother of their three children—and the organizational backbone of Overflow Plumbing Co. Without her, the schedule would fall apart. She manages scheduling, coordination, and communication, making sure customers are taken care of and jobs stay on track. Ashleigh keeps the team organized, directs the da
Ashleigh Coy is the wife of Mitch and mother of their three children—and the organizational backbone of Overflow Plumbing Co. Without her, the schedule would fall apart. She manages scheduling, coordination, and communication, making sure customers are taken care of and jobs stay on track. Ashleigh keeps the team organized, directs the day-to-day flow, and yes, keeps her brother Christopher in line too.