James A. Allison Mansion, 3200 Coldspring Road, Indianapolis, Marion County, IN

Significance: Built over a three year period, 1911-1914, this house was constructed of reinforced concrete with an exterior veneer of red brick. The house remains much as it was in 1914 when Indianapolis businessman and entrepreneur, James A. Allison, lived here. A pioneer in the automobile business, Allison was a co-founder of the first company to produce an efficient headlight for early automobiles; in addition, he founded his own company which designed and developed high-powered motor launch engines. Allison was a co-founder of the Indianapolis Motor Speedway and an early financial backer in the development of Miami Beach, Florida.
Survey number: HABS IN-68
Building/structure dates: ca. 1914 Initial Construction