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Sydney’s trusted water & sewer contractors
Experience, expertise and accreditation — delivering water and sewer infrastructure for commercial, industrial and government clients.
Professional plumbers. Civil capability.
K3 Plumbing Services is an established plumbing company with qualified staff who specialise in commercial and industrial plumbing work.
We work on both new developments and renovations to existing buildings and services. As Sydney Water accredited contractors, we have the expertise and approval to handle complex projects with confidence — with a strong focus on compliance, safety and efficiency.
Our team of professional plumbers is our biggest asset. We invest in their continual training in workplace safety and the use of our equipment, ensuring an efficient job at the highest quality.
- Civil & drainage works
- Sewer mains & manholes
- Water mains & access drilling
- Stormwater retention
- Fire service facilities
- Concrete encasement
Certified to the highest benchmarks
As Sydney Water accredited contractors, we are fully approved to handle complex water and sewer projects. From Section 73 certifications to stormwater upgrades, our accreditations ensure we meet the highest industry benchmarks — giving our clients complete peace of mind.
On time, on budget, fully compliant
Our goal is to provide industry-leading water and sewer solutions that meet the highest standards of quality and compliance.
We take pride in completing projects on time, within budget and in full alignment with regulatory requirements — whether it’s a single connection or a major public domain upgrade.
What we stand for
Integrity
We uphold transparency, honesty and ethical business practices in every project.
Quality
From planning to execution, we prioritise precision and excellence.
Collaboration
We work closely with our clients to deliver tailored solutions for their unique needs.
Safety
A proactive approach to workplace safety ensures risk-free worksites and peace of mind.
Reliable from first call to final certificate
Sydney Water Accredited
We meet all regulatory requirements for water and sewer works.
Safety-First Approach
Proactive safety measures ensure secure and efficient project execution.
Cost-Effective Solutions
High-quality service at competitive pricing.
On-Time Delivery
Reliable service with clear timelines and communication.
Got a water or sewer job coming up?
Talk to a Sydney Water accredited team about scope, approvals and timing.