Step into a rare opportunity to own a piece of Knoxville history in the heart of the highly sought-after Historic Fourth & Gill neighborhood. Built in 1899 and believed to have been designed by renowned architect George Barber, this historic duplex beautifully blends timeless character with modern updates. Currently operating as a successful Airbnb, the property generated approximately $90,000 in gross rental income in 2025 and benefits from commercial zoning with eligibility for Type 2 non-owner occupied short-term rental permits. Each side features 2 bedrooms and 2 full bathrooms, offering flexibility for investors, owner-occupants, or those seeking a unique multi-generational living arrangement. The current duplex configuration could also be easily converted back into a spacious single-family residence, creating a stunning historic home in one of Knoxville's most desirable neighborhoods. Extensively remodeled in 2019 while preserving its historic charm, the home showcases original hardwood floors, stunning stained-glass windows, soaring ceilings, and classic wood siding. Updated interiors feature tiled bathrooms, white shaker cabinetry, and modern conveniences that complement the home's historic character. Located just minutes from downtown Knoxville and within walking distance of the new baseball stadium, restaurants, breweries, shopping, and entertainment, this property offers an unbeatable combination of location, history, and income potential. Whether you're looking for a proven income-producing property, a landmark residence, or a unique investment in one of Knoxville's most beloved historic districts, 812 N 4th Ave is truly one of a kind. Furnishings available for purchase separately. Buyer to verify square footage. Owner/agent