423 Seminary Street Iconic Napa Valley Estate with 25-Room Bed and Breakfast Entitlements. This rare property presents an unparalleled opportunity to develop a boutique hospitality destination in the heart of Napa Valley. Set on 1.2 level acres near downtown Napa, it offers a prime location and unmatched character. The estate features a meticulously restored 5, 100-square-foot mansion built in 1884 for Eliza G. Yount, widow of Yountville founder George C. Yount. Designed by San Francisco architect John M. Curtis, this Victorian gem is listed on the National Register of Historic Places. The home balances historic elegance with modern upgrades, including new plumbing, foundation, electrical systems, an elevator, generator, intricate woodwork, and luxury fixtures. A separate duplex includes an upper-level apartment and office space, with an attached recreation room and laundry facilities. The lush landscaping provides both privacy and curb appeal. This extraordinary estate offers endless possibilitieswhether reimagined as a 25-room luxury Bed and Breakfast or preserved as a private residence. Its historic significance, modern amenities, and development potential make it a true Napa Valley treasure.