// ABOUT DIAMOND GROUP BUILDERS
Founded on Strength,
Built for Growth
Diamond Group Builders is supported by its majority owner, T Diamond Bar, LLC, with established financial strength, bonding capacity, and proven cost controls.

A Fresh Face in Commercial and Industrial Construction
Our team has a history of delivering projects across multiple sectors including office, retail, education, restaurant, light industrial, and other relevant markets. As a subsidiary, the relationship with our parent company allows us to operate with disciplined cost management, reliable scheduling, and scalable resources while maintaining a focused, client-driven approach.
Diamond Group Builders values a partnership and places an emphasis on coordination with design teams, detailed constructability reviews, and maintaining alignment with project budgets throughout design development. We also bring real world problem-solving experience and understand that the best solutions are born on the jobsite.
// CORE VALUES
What We Stand On
Safety
The safety of our people and subcontractors is non-negotiable. Every decision is made with the unwavering commitment that everyone goes home safely.
Integrity
We say what we mean. Transparent communication, honest timelines, and accountability at every level define all relationships that we foster.
Partnership
We succeed when our clients succeed. We bring a collaborative spirit to every project, working as a true extension of your team from groundbreaking to ribbon-cutting.
// LEADERSHIP
Executive Team

Garry leads Diamond Group Builders with over 30 years of experience in the construction industry. He brings extensive operational expertise and is committed to providing high-quality results for every client.

Jeff has over 20 years in the commercial construction space, starting in the trades and working up to business ownership. He helps to drive strategic direction and operational structure while maintaining client relationships.

Chad drives client relationships and growth for Diamond Group Builders. He utilizes his diverse experience and expertise in project management, sales, and operations to provide solutions for our partners.

Lisa oversees Diamond Group Builders' financial operations and accounting functions. She brings precision and strategic insight to budgeting, forecasting, reporting, and cost management across the business.

Cameron leads all safety programs and initiatives for Diamond Group Builders, ensuring a culture of 'Nobody Gets Hurt' on every jobsite. His certifications and field experience ensure that safety is a core value, not an afterthought.
