3 drainage businesses are based in Castle Hill with a licence on the QBCC register. Every listing shows its licence classes and when we last checked the register.
QBCC register checked 22 Oct 2026
| Business | Licences | Location | Contact | |
|---|---|---|---|---|
| O'brien Group Services Pty Ltd | Drainer - Advanced Sanitary Drainer · Electrician - Electrical Contractor · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage | Padstow 24.7 km | Not listed | |
| Axis Maintenance Services Pty Ltd | Drainer - Advanced Sanitary Drainer · Fire Protection - Water-Based Fire System Stream - Install and Maintain - Restricted to Commercial and Industrial Types · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage | Padstow 24.7 km | Not listed | |
| Integral Tradeworks Pty Ltd | Drainer - Advanced Sanitary Drainer · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage | Sydney 24.8 km | Not listed | |
| The Macmoranbah Dysart Nebo Accomodation Centres | Builder - Medium Rise · Builder - Open · Gasfitting · Mechanical Services - Air-conditioning and Refrigeration (Limited Design) · Plumbing and Drainage | Sydney 24.8 km | Not listed | |
| Willis Mathias Sloane | Gasfitting · Plumbing and Drainage | Marrickville 24.9 km | Not listed | |
| Sloane Plumbing Pty Ltd | Gasfitting · Plumbing and Drainage | Marrickville 24.9 km | Not listed |
Drainer - Advanced Sanitary Drainer · Electrician - Electrical Contractor · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage
Padstow · 24.7 km
Drainer - Advanced Sanitary Drainer · Fire Protection - Water-Based Fire System Stream - Install and Maintain - Restricted to Commercial and Industrial Types · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage
Padstow · 24.7 km
Drainer - Advanced Sanitary Drainer · Gasfitter - Advanced · Gasfitting · Plumber - Sanitary Plumber · Plumber - Water Supply Plumber · Plumbing and Drainage
Sydney · 24.8 km
Builder - Medium Rise · Builder - Open · Gasfitting · Mechanical Services - Air-conditioning and Refrigeration (Limited Design) · Plumbing and Drainage
Sydney · 24.8 km
Listings are built from the QBCC register, the Australian Business Register and business websites. Being listed is not an endorsement. No paid placements on this page. Source: ACT Government, List of Professionals, data.act.gov.au, CC BY 4.0 · Source: QBCC Licensed Contractors Register, data.qld.gov.au, CC BY 4.0