Build with O'Callaghan Construction Cork

Trusted builders in Cork for new builds, extensions, renovations, and alterations

O'Callaghan Construction is a family-run building company based in Cork, known for delivering high-quality residential projects across Cork City and County. Built on the foundation of Dave O'Callaghan's outstanding reputation for craftsmanship and reliability, the business is now proudly led by the next generation. From new builds and extensions to renovations and alterations, we offer a trustworthy and professional service - backed by years of experience, a friendly team, and a commitment to doing things right.