Prime for Development! Office Flex (OFX) Zoning allows: This zone is intended to allow mixed-use development of office/flex uses and supportive service, retail, and commercial uses. It allows a mix of businesses that provide a wide variety of employment generating activities, including office, medical, R&D, and flex/makerspaces. Office uses may be stand alone, or part of a large business/office park development. These areas are typically situated close to regional roadways or freeways. This zone implements the Industrial and Employment Flex General Plan land use designations.