What We Do

At Mainline Plumbing & Civil, we provide a wide range of plumbing services for residential, commercial and civil clients. These include: 



Our plumbers are licensed, insured and committed to keeping your plumbing (or gas) system flowing as it should.

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Plumber's Tools On Toilet Seat Lid — Mainline Plumbing & Civil Pty Ltd In Dubbo, NSW
Plumber At Work In Bathroom — Mainline Plumbing & Civil Pty Ltd In Dubbo, NSW

Who We Are

Mainline Plumbing & Civil is a locally owned and operated business servicing residential, commercial and civil clients throughout Sydney and the Central West region. Whether you’re building, renovating or it’s just another day, we’ll ensure your plumbing or gas system is safe, efficient and long-lasting. Call us today to book.

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Sydney & Surrounds

The Sydney Opera House is Lit Up at Night — Mainline Plumbing & Civil Pty Ltd In Sydney, NSW

We provide comprehensive plumbing and gas fitting services throughout Sydney.

An Aerial View of a City With a Lot of Buildings and Trees— Mainline Plumbing & Civil Pty Ltd In Castle Hill, NSW

Need a plumber or gas fitter? We are Castle Hill’s go-to solution.

A Row of Apartment Buildings With Trees in Front of Them — Mainline Plumbing & Civil Pty Ltd In Parramatta, NSW

Home and business owners in Parramatta turn to us for their plumbing and gas needs.

An Aerial View of a Large Body of Water Surrounded by Buildings and Trees — Mainline Plumbing & Civil Pty Ltd In Homebush, NSW

We provide plumbing and gas fitting services for homes and businesses throughout Homebush.

A Tall Building is Sitting on the Side of a Road — Mainline Plumbing & Civil Pty Ltd In Blacktown, NSW

Our plumbers and gas fitters service home and business owners in Blacktown.

A Cemetery Filled With Graves and Trees on a Sunny Day — Mainline Plumbing & Civil Pty Ltd In Newtown, NSW

We offer plumbing and gas fitting services for Newtown properties. 

A Park With Purple Flowers and a Bench Overlooking a Body of Water— Mainline Plumbing & Civil Pty Ltd In Balmain, NSW

We are Balmain’s go-to plumbing and gas fitting experts. Servicing homes and businesses.

An Aerial View of a Church With a Clock Tower — Mainline Plumbing & Civil Pty Ltd In Marrickville, NSW

We provide plumbing and gas fitting services for residential, commercial and civil clients in Marrickville.

An Aerial View of a City Surrounded by Water and Boats — Mainline Plumbing & Civil Pty Ltd In Double Bay, NSW

Need a plumber or gas fitter? We are your plumbing and gas fitting solution in Double Bay.

Central West

A Field of Tall Grass With Trees in the Foreground and a Cloudy Sky in the Background — Mainline Plumbing & Civil Pty Ltd In Dubbo, NSW

Our plumbers and gas fitters service residential, commercial and civil clients throughout Dubbo.

A Field of Tall Grass With a Blue Sky in the Background — Mainline Plumbing & Civil Pty Ltd In Bourke, NSW

We provide plumbing and gas fitting services for homes and businesses throughout Bourke.

There is a Large Body of Water in the Middle of the Desert — Mainline Plumbing & Civil Pty Ltd In Cobar, NSW

Need a plumber or gas fitter? We are your residential, commercial and civil solution in Cobar.

An Aerial View of a Small Town With Lots of Houses and Buildings — Mainline Plumbing & Civil Pty Ltd In Walgett, NSW

We are the business Walgett locals turn to when they need a plumber or gas fitter.

A Lush Green Forest With Trees and Shrubs Surrounding a Path — Mainline Plumbing & Civil Pty Ltd In Gilgandra, NSW

Our plumbers and gas fitters service residential, commercial and civil clients throughout Gilgandra.

A Large Red Brick Church With a Steeple and a Few Trees in Front of It — Mainline Plumbing & Civil Pty Ltd In Wellington, NSW

We are Wellington’s preferred plumbing and gas fitting experts.