Build with a Local Contractor
Having an outdoor kitchen built from scratch can be time consuming and costly. It can be difficult to locate a company with extensive experience in outdoor kitchen building. If you do happen to find one, they will be in high demand and command a premium for their expertise. Otherwise, you will likely hire a landscaper, hardscaper, or mason for the project. It is important to know their experience, building practices, and knowledge of appliances. Far too often we meet homeowners who are not satisfied because of the design, layout, or approach their contractor used.
Buy a Prefabricated Outdoor Kitchen
Several BBQ grill and appliance manufacturers offer outdoor kitchen islands as modular or knock down kits. With few exceptions, these companies "value engineer" kitchen islands that function but at the lowest cost. The homeowner gets a lower cost way to get an outdoor kitchen and the company gets to sell more appliances. Many of these products come from China or Mexico and are made from galvanized steel and cement board. Neither material is fit for outdoor construction. If you live in the southwestern United States, these products will generally "hold up". In freeze-thaw climates and coastal areas these products often fail and break down.