- 24hr Emergency Locksmith Available Now
PERTH’S TRUSTED AUTHORITY · EST. 1980 · OSBORNE PARK
For over 46 years, Diamond Locksmiths has helped protect Cottesloe homes with professional, reliable security. Police-cleared, trade-qualified – security you can trust.
What We Do
Premium residential security solutions for Cottesloe homes — quality hardware, expert installation.
Complete home security for Cottesloe homeowners.
Modern access solutions that suit contemporary homes.
Improved protection without compromising your home's look.
Supporting local strata complexes and property managers.
Moving into Cottesloe? Rekeying is the fastest, most cost-effective way to take control of your home security from day one.
WHY CHOOSE DIAMOND
Perth families and property managers have trusted us for 46 years. Here’s why.
46 years protecting Perth homes and families with integrity.
Trade-qualified professionals you can trust in your home.
Fully equipped vans and prompt response times.
Family-owned. Real people who care about your outcome.
Hardware that protects your home and looks good doing it.
Available when you need us — not just during business hours.
WHAT OUR CLIENTS SAY
5.0 Google Rating · 200+ Reviews
★★★★★
Called Diamond after buying our Cottesloe home. They were thorough, friendly and gave us great advice on what to upgrade. Highly recommend.
Cottesloe
Whether you need help at home or managing a property, Diamond Locksmiths delivers secure, reliable and professional solutions.
