About

Your Local Builder with a passion for Quality Craftmanship

Mark B Building was founded by Mark Brennan in 2016. Mark grew up in the South-West and understands its unique climate and landscapes. His deep local knowledge ensures every home is built to last, using materials suited to the region’s conditions.

Our Commitment to Excellence in Custom Home Building

As the 2018 South-West Best New Builder award winner, we focus on quality craftsmanship, energy efficiency and sustainable design. By taking on only a select number of projects, we provide dedicated service with focus and attention to detail. In doing so, we continue to win awards in recognition of our quality homes.

Building in Dunsborough, Yallingup & across the South-West of Western Australia

As a trusted Dunsborough builder, we create stunning, architectural homes across Yallingup and the South-West. Whether you’re building a luxury home or renovating an existing space, we ensure a smooth, high-quality process from concept to completion.