Honest plumbing solutions, built to last.

We are a licensed, fully insured, full-service construction plumbing company, providing drainage, gas, and water services for residential, commercial, and renovation projects.

 
 

  • Whether you’re building new or upgrading, we handle every aspect of your plumbing needs. From bathroom and kitchen renovations to hot water system installations and outdoor plumbing.

    Our solutions are efficient, reliable, and designed for longevity.

  • From drainage systems to complete fit-outs, we deliver end-to-end plumbing solutions for residential and commercial projects.

    Our experienced team manages every aspect to meet your specifications and uphold industry standards.

 
 

Industry Membership

As members of HIA and Master Plumbers NSW, we uphold the highest standards in construction and plumbing for quality and safety on every project.

We offer a comprehensive range of plumbing, drainage, and gas services for both residential and commercial projects. Some of the areas we specialise in are:

  • Internal and External Drainage

  • Articulated Drainage for Reactive Soil (Performance Solutions)

  • Standard and Hydraulic Stormwater Work

  • Rough-in and Fit-off

  • Gas Installations

Our team takes pride in ensuring every aspect of each job is handled with care, giving equal attention to every detail and making sure everything is up to standard.

Testimonials

“Top class from start to finish.. turned up at promised time and completed work with minimal fuss leaving a spotless worksite on completion.”

— Mat A from Maryland, NSW

“Will was super knowledgeable and answered all of my many questions with politeness. He was efficient and turned up on time. Very professional. I would definitely recommend.”

— Dan C from Blackalls Park, NSW

“Very happy with this job communication was excellent. Would highly recommend and would definitely use Northmax Plumbing again in the future..”

— Karen W from New Lambton, NSW

Our Partners

We make sure that the partnerships we build reflect what matters to us most: reliability and trust, a commitment to the greater good, and a drive for innovation.

We’re proud to collaborate with only the best in delivering our services.

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 Let’s work together.

Talk to us about your project, and we’ll walk you through the best plumbing solutions suited to your needs.

Stay Connected

Follow our journey on Instagram for project highlights, helpful tips, and the latest from the Northmax team.

Rain may have kept us indoors yesterday but it never stops the team from getting jobs done. Here’s our plumbing supervisor Jack, powering through this rough-in. Proud and grateful for a team that always gives their 100% every day - rain or sh
As members of @hia_au and @mpa_nsw, we’re proud to be a part of communities that push for quality, safety, and industry excellence. Setting standards, being part of something bigger and driving a trade we’re proud of.
The last few weeks have been all about pushing through the elements, making solid progress and keeping safety front and centre.
From groundwork (drainage) to final touches (fit off), this one is ready to be handed over. It’s always rewarding to see it come together.
The team completed the drainage work for 3 duplexes with 2 machines on 1 street. Solid effort! Will soon be ready for rough in then fit off.
When we put our gear on, it’s game on. A huge thanks to @swiftembroiderynewcastle for keeping our work uniforms spot on since day one!
Besides full-service plumbing contracts, we also do renovation projects. For our client David’s reno in Port Stephens, we took care of the rough-in and fit-off. Owner Will collaborated closely with David to plan, and together with our Plumbing