Shamrock Building Materials

Be very careful when buying from Shamrock Materials in San Rafael. I visited the yard the day before and selected a pallet of good-quality stones right before they closed. I told them I’d be back in the morning to pick it up. When my driver arrived the next day, they had switched the pallet for a much worse one—full of poor-quality, broken stones. It was messy, unstable, and dangerously stacked with exposed steel mesh that wasn’t even secured properly, making it completely unsafe to transport. Several workers with forklifts insisted the pallet didn’t fit in the truck, but my driver kept explaining that it wasn’t the same pallet and the issue was the steel netting, which made the stones extend beyond the standard pallet size. Instead of helping, multiple workers became aggressive and even threatened my driver, telling him that if he wanted the stones, he would have to load more than 4,000 pounds by hand—stone by stone. This was an absolutely unacceptable experience. The dishonesty, lack of professionalism, and unsafe practices at Shamrock Materials are alarming. I strongly advise others to stay away from this place.

Be careful not to order too much as unopened bags of rocks not returnable. Never informed of their policy verbally or stated on their invoice. Sold be double of what I needed after giving them dimensions. But even size bags much bigger than anticipated and they never said anything about want up reduce amount nor bad return policy. Best to get less and go back if more needed.

They treat you like you are an idiot and clearly do not want your business. Annoyed with questions and they find reasons to disagree with you. Selection is good but to buy anything you practically have to beg them. Made multiple excuses to not sell me concrete, went to Marin Landscape - no problem. Same equipment, same truck.