South West Sydney Plumbers servicing all areas of Sydney

Welcome to Mainspec Plumbing Services, specialists providing excellence in plumbing, drainage and gasfitting.
Our experienced Sydney-based team is available for your residential, commercial and industrial plumbing needs.

“Of all the tradies that I have used to fix up my terrace, Mainspec struck me as the one who is most committed to getting the job done right and unlike other tradies, when Mainspec said they will come”

Annette W

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Contact Us

PO Box 114
Casula NSW 2170


Why Choose Mainspec Plumbing Services?

Our team takes the highest pride in their honesty and workmanship.

We are members of the Master Plumbers Association, a certified Enviro
Plumber and accredited to perform Backflow Prevention Testing and
Thermostatic Mixing Valve Testing and Installation.

We are locally owned, based and operated so you will always deal direct
with your plumbing expert

Our track record is second to none, and we have worked on
notable local properties.

We provide an Emergency Call Out Service for your urgent matters.