Cornerstone Granite USA was established in 2000 by business entrepreneur and family man, Billy Le.

Our Values

Collaboration

We thrive by recognizing one another's strengths. In order to create the bigger picture, we will continuously support one another in every aspect.

Customer commitment

As a family business, we always put others’ needs first— and in this case, the customers’ needs and desires will always be put first.

Innovation

We utilize cutting-edge technology that gives our company an edge in penetrating markets faster.

Passion

We are excited to be able to create your dream space — a space we know beautiful memories will be cultivated.

Craftsmanship

We are masters of the skills required by our duties. We honor, appreciate, and pay tribute to our personal and combined talents.

Safety

We always perform in a safe and professional manner, with an understanding that safety is a personal commitment to ourselves and to each other.

Location

Now serving Orange County and the Greater Los Angeles area.

Cornerstone Granite USA
14341 Commerce Dr.
Garden Grove, CA 92843