Welcome to Koster's Steel Constructions

A company that stands for "Strength, Integrity and Professionalism"

Situated in Albany, Western Australia, we have been servicing the Great Southern and beyond for over 56 years!

At Koster's Steel we understand the term 'top quality' and service, and we take pride in our experience and professionalism, in delivering innovation and style at competitive prices.

So let Koster's take the hassle out of your building product and add value to your property because – we build to last!

At Koster's you name it and we’ll individually custom make and design it to fit your requirements.

Koster's Steel on Negri Road

Suppliers of:

  • All Structural, Commercial and Domestic Steel Fabrication

  • Balustrading- Stainless Steel, Galvanised or Painted

  • Custom made Staircases

  • Onsite welding/ Rigging and Dogging

  • Steel Roof Trusses

You name it... We'll make it!

A man wearing safety glasses, a blue shirt, and an orange jacket is using a power tool to polish or grind a metal beam inside a factory or workshop. The workshop has metal structures, tools, and equipment.

 Why use Koster's? 

  • Established in 1967, we have over 50 years of experience.

  • We are a 100% West Australian Family-owned company.

  • We support our local community workforce and acknowledge this through our continued training and employment of apprentices & schoolwork experience initiatives.

  • Sponsors of Major Community events, and sport organisation’s.

  • Custom made products to fit your needs – we don’t do "off the rack!"

  • Locally manufactured products.

  • We are committed to quality - and take pride in our product!

  • Individual professional service - you’re a customer and not a number!

  • High quality finish, strength and durability - we add value to your property!

  • After sales service.

  • Registered Builder.

A man with a beard wearing safety goggles, a black cap, an orange and black work jacket, and gloves is working with metal parts inside a large industrial warehouse.

We’d love to hear from you - so drop us a line or call in to see us Today!

A young man in an orange safety jacket and black cap working with metal pipes inside a warehouse. The image is part of a congratulatory message for Tyler, who won the 2025 MEGT Australia Apprentice of the Year, and includes company information for Koster's Steel Constructions.

Kosters Steel Constructions is proud to support and develop the next generation of skilled tradespeople. Our apprentices are hands-on from day one, learning from experienced fabricators and gaining real-world knowledge in a supportive team environment. Tyler’s achievement is a reflection of dedication, hard work, and the strong training culture we value at Kosters Steel.

Looking for Koster's Outdoor?

Supplier of Patios, Residential Sheds, Fencing, Garage Doors & Servicing

Visit them on 19 Graham Street, Albany or Call (08) 9842 7650 www.kostersoutdoor.com.au