Z Gallerie Coupon Codes Z Gallerie is all about luxury. From floor to ceiling and everything in between, you can expect to find elegance and class within their stores. Z Gallerie has its roots in Sherman Oaks, CA. Three siblings opened a poster shop back in 1979, and since then, they ve cultivated a one of a kind home furnishings store. They offer unique, rich, centerpiece-worthy decor that is available at prices that can fit into any budget. Z Gallerie\'s artistic background influences everything they do, and they are committed to crafting high end elements to add to your home.