O’Brien Electrical Castle Hill remains open and our experts are here to help! Increased hygiene and protective measures in place to keep our customers and staff safe.

Electrical Contractors Castle Hill

In 2010, Director Adrian Cassin founded O’Brien Electrical Castle Hill, formerly known as Wirez Electrical. During 30 years in the electrical service industry, we are proud to have built a reputation based on our lived values of integrity, and respect for our customers. This approach has gained customer trust, based on our aim of not just meeting, but exceeding expectations.

Locally owned and nationally supported, we are proud to be part of the leading O’Brien Electrical & Plumbing group. This means that no matter the size of the job, our professional and locally-based Castle Hill electricians will deliver the high-quality service you deserve.

Why Choose O’Brien Electrical Castle Hill?

  • Over 30 years’ of experience
  • Available 24/7 for any electrical emergency
  • Locally owned & operated throughout Castle Hill and the surrounding suburbs
  • Accredited Master Electricians

For professional and reliable electrical contractors in Castle Hill, get in touch with our team today. Contact us online or call us on today.

Call Us (02) 9894 4843


Are you a licensed electrician?

Yes, we are fully licensed electricians capable of carrying out a broad range of electrical services for both domestic and commercial clients.

What is a Master Electrician?

A Master Electrician is an electrician who has been accredited by Master Electricians Australia. This industry group ensures the quality and standards of trusted electrical experts. Master Electricians are backed by a higher level of expertise and deliver a greater quality of service.

Why Use A Master Electrician?

With a Master Electrician, you can rest assured all your electrical requirements are in safe hands. By using a Master Electrician you’ll receive truly expert electrical services in a safe, reliable and professional manner.

Who we've worked with

PRP Diagnostic Imaging
Palatial Homes
Harvey Norman

Do you have broken glass?
Call us now on 1800 059 829

For emergency glass repair or replacement in your home or business, speak to one of our experts. We'll discuss options, costs and appointment times.

We'd love to help you, but unfortunately cannot assist with:

  • Cook tops or oven doors
  • Refrigerator glass
  • Light and lamp shades
  • Spectacle repairs
  • Phone or tablet screens
  • Curved glass or tanks

Is your plumbing job an emergency?
Call us now on (02) 9894 4843

Your message may not be seen until the next business day, so if this an emergency job please call us directly now on (02) 9894 4843 and we can get to you as soon as possible

Is your electrical job an emergency?
Call us now on (02) 9894 4843

Your message may not be seen until the next business day, so if this an emergency job please call us directly now on (02) 9894 4843 and we can get to you as soon as possible

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If your task is an emergency, we recommend you call us on (02) 9894 4843.

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For windscreens, if the damage is smaller than a one dollar coin and 5cm away from the edge, we may be able to repair your windscreen. We cannot repair side or rear glass.

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Hi there, our experts have helped 300,000+ Australian families in the last year.

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