You'll pay between $500 and $1,200 per linear foot for custom cabinets, and several factors influence the total. . For the most accurate price quote, try our FREE outdoor kitchen cabinet design service. These outdoor kitchen cabinet projects were all custom. . Outdoor kitchen cabinets are built to endure weather while offering efficient, functional storage in open-air cooking spaces. Common materials include HDPE, stainless steel, teak, and concrete, each with distinct advantages in durability, maintenance, and price. The figures account for basic utilities, weatherproofing, and installation labor.