View a typical site plan example. Know what other required documents you'll need to provide.We offer permitting and planning services that allow neighborhoods in unincorporated Maricopa County to grow in a safe, balanced way. The program consists of two standard house plans ranging from 800-1,500 square feet with up to three elevations per plan. Engineering reviews all site plans, preliminary and final plats, special use permits and construction documents for all new development projects in the City. There are currently -3 ready to build floor plans available for you to build within all 63 communities throughout Maricopa. The publication includes the Specifications, a description of definitions, techniques, and materials; and the Details, a series of technical drawings. Ready to build your dream home? Explore floor plan designs from award winning Maricopa County builders and their architects.