Own a piece of Mill Street in Historic Downtown Grass Valley, now enhanced by its beautifully completed pedestrian mall. 127 & 129 Mill offer exceptional versatility and opportunity in this revitalized, high-visibility location. Built in the 1920s, this poured-concrete building is sturdy, timeless, and ready to serve for another century. A substantial 1996 renovation created a functional interior including updated electrical in the retail space. Adding to that over the years...A new roof in 2023, new furnace in 2024 & two new electrical panels in 2025. The street-level retail space features prime frontage with large windows at both the front and rear, plus a skylight that fills the space with natural light. The basement level accessible through the retail space and also by its own separate entrance down a charming alley opens to a private yard & includes office space, two storage rooms, and two restrooms. With its independent access, this area has exciting potential to become a third income-producing space. Upstairs, with its own private entrance...You'll find a three-office suite with a fireplace, hardwood floors beneath the carpet, a restroom, and tall windows offering a bird's-eye view of all the downtown celebrations. This upper level also offers excellent potential for conversion into an apartment, allowing for a live-work opportunity right in the heart of Grass Valley. Enjoy the vibrant scene with restaurants, shopping, and year-round community events just steps from your door.