On-time service
Prompt communication, organised scheduling and a team that respects your home, business or project site.
About Matrix
Josh Hoffman &
Matrix Plumbing & Civil.
More than 15 years of practical trade experience across South Brisbane, Mount Gravatt and South East Queensland.
Who we are
Specialist capability.
Personal accountability.
Led by Josh Hoffman, Matrix Plumbing & Civil is a specialist contractor delivering premium plumbing and civil installations for homeowners, builders, businesses and developers across South East Queensland.
Our work covers septic installations, luxury bathroom plumbing, reverse-osmosis water purification, complex hot water systems, structural subfloor drainage, earthworks and mainline pipe deployment. We bring qualified operators, specialised machinery and careful coordination to work that must meet demanding project, QBCC and local council requirements.
Talk to Josh and the team →15+Years trade experience
450+Projects completed
16+Service locations
Residential plumbing+Civil works
Across South East Queensland
Residential, commercial
and civil expertise.
From high-spec residential installations to heavy-duty commercial and civil utility works, our team has the skills and resources to coordinate jobs of every scale. Structural drainage, excavation, underground services and water systems are installed with certified precision and a clear focus on durability.
We use dependable materials and current technology to deliver work to a consistently high standard—from the first site assessment through to testing and final inspection.
Call Josh on 0429 023 373 →Why choose Matrix
The standards behind every job.
Clear, upfront pricing
Practical options and transparent quotes help clients make informed decisions before work begins.
Licensed & insured
Qualified delivery, careful site practices and work completed with council and building requirements in mind.
Built to perform
Quality materials, current methods and close attention to detail support dependable, long-term results.
Our approach
Performance that lasts.
Our mission is to create high-performance water and wastewater systems that support long-term durability and structural integrity. We combine practical innovation, careful workmanship and responsive service to deliver strong outcomes for builders, developers and homeowners.
Our standard
Capability without shortcuts.
We aim to be a trusted civil plumbing specialist across South Brisbane and beyond—recognised for combining excavation capability, water-filtration expertise and modern infrastructure installation with straightforward, accountable service.
Start a conversation
Ready to get started?
Speak directly with Josh and the Matrix team about your home, build or civil project.