About Us

Built on Safety, Quality & Reliability.

From Local Beginnings to Regional Leadership

Coulter’s Plumbing is led by John Coulter, a licensed plumber with decades of industry experience and a reputation for reliability. What started as a small operation has grown into a regional leader in plumbing for large-scale developments, public infrastructure and specialised fire service installations.

“We work closely with councils, builders, government departments and commercial operators to deliver high-performance plumbing solutions that stand the test of time. From new builds to upgrades and ongoing maintenance, we bring a structured, professional approach to every job.”

Servicing North East Victoria and Southern NSW with safe, reliable and compliant plumbing solutions – trusted by councils, contractors and industry leaders since 2005.

Invested in Local Growth

Supporting Our Local Community

At Coulter’s Plumbing, we believe in giving back to the communities that support us. As a locally owned and operated business, we’re committed to making a positive impact beyond the job site by actively contributing to a range of community initiatives. Our support spans local sporting clubs such as the Katamatite, Mulwala, Tungamah, and Rennie Football Netball Clubs; educational causes like the Yarrawonga College P–12 Kokoda Leadership Team Fundraiser; agricultural events including the Yarrawonga Border Agricultural & Pastoral Association and the Cobram Barooga Golf Club fundraiser; and important health initiatives like the Yarrawonga Health Community Heart Appeal.

Reliable, Safe and Cost-Effective Plumbing

We Don’t Just Deliver Projects, We Build Partnerships

Proven Track Record

With over 20 years in the industry, we’ve delivered complex, high-stakes plumbing projects for public infrastructure, education and industrial facilities across the region.

Certified & Compliant

The Coulter’s team is certified to perform all core and specialised plumbing services including but not limited to, confined space work, fire service installations, backflow prevention and more.

End to End Service

From design and estimating to installation and maintenance, we manage every stage of your project to keep things smooth, efficient and on track.

OUR REWARDS

More Than Just Pipes and Wrenches

Our Team & Capabilities

Our team includes licensed and accredited professionals trained across a wide spectrum of plumbing classes. We regularly work on high-spec projects that require specialised expertise and advanced compliance.