If you're remodeling and haven't checked out Granite Expo in Pittsburg, you're missing out on a…read moretrue hidden gem. They consistently deliver high-quality materials that actually add value to your property--not just visually, but in durability and function. Their kitchen cabinets are solid wood (not particle board) with soft-close features, and the craftsmanship is immediately noticeable. The countertops, sinks, faucets, and flooring are all top-tier for the price point--you genuinely get more than what you pay for. What really sets this location apart is the customer service. I've been to other Granite Expo locations, but Pittsburg stands out by far. Ray has been incredible to work with--he helped us back in 2013 and again in 2026, and his knowledge, patience, and attention to detail make the entire process seamless. I've been recommending this place to friends and family since 2013, and it continues to deliver every single time. They are consistent with reliable quality, great pricing, and outstanding service. This has become my go-to place for remodeling and renovating properties. It's hard to find all three--quality, value, and service--in one place, but Granite Expo Pittsburg delivers every time.

Worked with Jesenia at the Granite Expo Pittsburgh, she is absolutely amazing to work with. Her…read moreexperience & knowledge of all products are outstanding. Communication is above and beyond and will always go the extra mile to make all purchases easy and enjoyable. Purchases made were for 2 bathrooms - vanities, quartz, shower doors, tub etc, full kitchen plus granite countertops, sink, stove hood & flooring. Jesenia took our kitchen measurements and within 1 hr she had the design completed. Once installed it was 100% perfect. Her customer service is outstanding. Prices are very affordable & quality products. Highly recommended!

Great experience at both the Martinez and the Antioch location. knowledgeable staff! Helped me find…read moreexactly what I was looking for.

East Bay Welding supply is the place welders prefer. The inventory is huge, and they know their…read morebusiness and the needs of their customers. If they don't have it they will find it. Welders are their customers and they put the needs of their customers first! Great group of folks here. TC Gotcher

This is already the second project we've done with "G.M Marble & Granite", and once again they did…read morean amazing job with our kitchen granite. Everything turned out beautiful and exactly how we wanted. Brian and his team are very professional, polite, and truly pleasant to work with. From start to finish, the process was smooth and the quality of the work is excellent. We are very happy with the result and will definitely contact "G.M Marble & Granite" again for our future projects. Highly recommend!

Thrilled with the terrific job G.M. Marble did with the countertops and backsplashes in our…read morekitchen, It was a pleasure to work with Brian and his excellent team.     Brian had great suggestions for the backslash, his team is so knowledgeable and great at what they do.  It was easy to work with them. This is a company that takes good care of their employees and has a strong commitment to doing the best job possible for their customers. Everything came out so beautiful, couldn''t be happier with the experience.

My experience is great with everything. Affordable prices friendly staff good location.read more

Very nice marina with a super friendly staff. It amazes me that everyone addresses me by my name. I…read morealways feel safe when I am at this marina because security is always on top of things. There has never been a night when I visited my boat without the security guard pulling up behind me minutes after arrival. Some people may find that annoying but I find it comforting.