Fixr estimates around $4,000–$13,000 for 100 sq., assuming the outdoor kitchen is being fully constructed with a new patio, countertops, storage, grills, refirgeration, plumbing, and cover. Installing an outdoor kitchen costs an average of $16,000, but outdoor kitchen project costs can range from $1,400 for a small pre-made island with cabinets and a grill up to $65,000 or more for a custom, luxury outdoor kitchen complete with a pergola, pizza oven, and full set of cabinets. For the most accurate price quote, try our FREE outdoor kitchen cabinet design service. To get a ballpark price, click through these real Werever outdoor kitchen cabinet projects with prices. Costs can range from as low as $950 for a basic setup to over $60,000 for a luxury build, with per-square-foot prices varying from $200 to $600, depending on materials and features.