Unique, rare downtown commercial opportunity! Welcome to The Michael Quinn House, a beautifully preserved historic property constructed in 1914, located in the heart of Downtown Rapid City on Sixth Street within the Central Business District. This distinctive two-story building showcases Prairie-style architecture and exceptional craftsmanship, featuring concrete brick construction, original wood floors and doors, and stunning leaded-glass transom windows and seeded (historic) glass windows that highlight its authentic early 20th-century character. Offering approximately 3,864 sq ft of premium office space, plus an additional 1,932 sq ft unfinished basement, the property provides both functional workspace and ample storage, including a charming cellar. Main Level Features: "? Three separate entrances (front, west side, and rear) "? Spacious conference room "? Large front office suite "? Additional private office spaces "? Kitchenette area "? Half bathroom "? Reception/secretarial area Second Level: "? Expansive open layout "? Flexible office or equipment space Basement: "? Full unfinished basement "? Ideal for storage, archives, or future expansion Listed on the Historic Register, this property preserves its original architectural integrity while incorporating thoughtful interior updates. The exposed concrete brick and period details create a timeless, professional atmosphere ideal for a variety of commercial uses. The wood shingle roof was replaced approximately 10 years ago, adding to the property's long-term, historical value. On the corner of Quincy & 6th St. located 2 blocks from the new Block Five! Highlights of Property: Unique historic structure in Rapid City. Wrap around porch offers excellent protected outdoor space. On-site downtown parking makes the office very functional.