A historic Georgetown mansion will soon hit the market with an $18.75 million price tag, more than double what it last sold for.
Hollerith House, named after engineer and inventor Herman Hollerith who built the home in 1911, sits on 0.6 acres at 1617 29th St. NW. Hollerith invented the electromechanical punch card and a related tabulating machine that led him to found the Tabulating Machine Co., which was consolidated into the business that would eventually become IBM.
If it sells for anywhere near asking price, Hollerith House would rank among the most expensive homes sold in D.C. history.
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Historic Georgetown mansion to hit market for $18.75 million