Samec Build

Residential construction

SAMEC Build is a custom home builder committed to delivering unique, high-quality homes with industry-leading build times. We collaborate closely with clients, designers, and architects to bring your vision to life—ensuring every detail aligns with your goals.

Custom home build

By blending commercial building expertise with residential craftsmanship, we deliver exceptional results with precision, efficiency, and innovation. Our streamlined approach, superior workmanship, and commitment to excellence set us apart from traditional builders.

Samec Build is a committed to delivering unique, high-quality homes with industry-leading build times.

Samec Build carries forward a construction legacy that began over 60 years ago with Luigi Costa, continued by John, and is now driven by Sam as Construction Manager. Building is in our blood — and quality is in every detail.

As the residential division of Diverse Project Group, one of Perth’s trusted commercial builders, we bring commercial-grade efficiency and precision scheduling to the residential sector. Our proven systems, developed through large-scale commercial projects, mean your home is delivered faster than traditional builders — without ever compromising on quality.

From bespoke luxury homes to complex renovations, we blend the craftsmanship of three generations with the innovation, processes, and problem-solving that only come from decades of experience in both residential and commercial construction.

At Samec Build, we don’t just build houses — we build homes designed to inspire, built to last, and delivered on time.

60+ years of
experince

Built on three generations of building expertise, Samec combines decades of hands-on knowledge with modern construction methods to deliver homes that stand the test of time.

Commercial-grade
efficiency

Our systems, suppliers, and site management processes are drawn from large-scale commercial construction, ensuring speed, accuracy, and consistency on every build.