This Month Only: $50 OFF Your First Service*

This Month Only: GET $50 OFF Your First Service*(First 30 Bookings Only)

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Stop Mould, Damp & Flooding Before They Damage Your Sydney Home

Protect your property and family’s health with expert waterproofing, drainage solutions, and damp prevention. Licensed plumbers trusted by Sydney homeowners

Get Your FREE Damp & Drainage Assessment

IN UNDER 5 MINUTES, GUARANTEED

This Month's Offers

The True Cost of Ignoring Water Problems

That musty smell. Those dark patches on the wall. Water pooling after rain. These aren’t just cosmetic issues, they’re warning signs of serious problems that get worse and more expensive every day you wait.

Sydney’s climate, combined with poor drainage or aging waterproofing, creates the perfect conditions for water damage.

Before & After OHana Plumbing

BEFORE

Living With Water Problems

AFTER

With Ohana's Protection Solutions

Water & Moisture Problems we fix.

Rising Damp

Moisture rising through foundations, bricks, and concrete causing damage to walls, flooring, and structural elements. We install damp proof courses and barriers.

Mould & Mildew Growth

Black mould, toxic mould, and mildew appearing on walls, ceilings, bathrooms, and hidden spaces. We eliminate sources and prevent recurrence.

Poor Drainage & Flooding

Stormwater pooling around foundations, flooding basements, or water entering through doorways. We design proper drainage solutions.

Basement & Subfloor Moisture

Damp crawl spaces, wet basements, and moisture under floors causing rot and mould. We provide basement waterproofing and subfloor ventilation.

Leaking Balconies & Wet Areas

Failed waterproofing in bathrooms, laundries, and balconies allowing water penetration. We re-waterproof to Australian standards.

Garden & Retaining Walls

Poor landscaping drainage causing water to run toward your home. We install proper drainage systems and French drains.

How we solve your water & moisture problems.

Comprehensive Property Assessment

We inspect your entire property to identify moisture sources, drainage issues, and problem areas, both visible and hidden.

Custom Protection Plan

Every home is different. We design the right combination of waterproofing, drainage, and damp prevention solutions for your specific situation.

Professional Installation

Our licensed plumbers implement your protection plan using proven methods and quality materials that last.

Verification & Guarantee

We verify everything is working correctly and provide documentation with our written guarantee for your peace of mind.

OUr Specialsied Services

Drainage System Installations & Repairs

Surface drainage, subsurface drainage, French drains, and channel drains designed to direct water away from your property.

Stormwater Management

Complete stormwater solutions including downpipe relocation, pit installation, and connection to council systems.

Sump Pump Installation

Automatic pumping systems for basements and low-lying areas prone to water accumulation.

5 STAR RATED PLUMBERS IN SYDNEY

Hear from your neighbours.

OUR POINTS OF DIFFERENCE

Why choose OHana?

Licensed & Qualified

Every one of our plumbers holds full NSW licensing and Master Plumbers Association membership.

Local & Family-Owned

We live and work in Sydney. We understand local homes and the unique challenges they face.

Transparent Pricing

Fixed quotes before we begin. What we quote is what you pay—no hidden extras on your bill.

Award Winning Team

2025 Local Business Award winners, trusted by hundreds of Sydney families near you.

Concerned about flooding or rising damp in your home?

Areas We Service

We’re proud to service homes right across Sydney’s metro areas.

We service all Council Areas

TALK TO A SYDNEY PLUMBER TODAY

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SYDNEY PLUMBERS NEAR YOU

Frequently Asked Questions

Solutions range from $1,500 for simple damp treatments to $15,000+ for comprehensive basement waterproofing and drainage systems. Every property is different, we provide transparent quotes based on your specific needs.

Not always. We use the least invasive methods possible and explain all options. Some drainage solutions require excavation, while others don’t.

Yes. We specialise in retrofitting damp proof courses in heritage and older Sydney homes using modern techniques that work.

Yes. We provide emergency call-outs for active flooding, burst pipes, and urgent water damage situations across Sydney.