One component which epitomizes the transitional nature of the Hills-DeCaro House is the dual-pitched, Japanese inspired roof which recalls similar roof designs for the Harry C. Goodrich House and George W. Smith House, both completed ten years prior. However, the cantilevered eaves of the Hills-Decaro house are even deeper – stretching 5.5 feet (1.67 m) on the upper story – and the fascia is even thicker than those of its early predecessors. When paired with the unique, stepped shingle pattern, these adjustments further accentuate the Prairie style horizontality of the house.