Once-in-a-Lifetime Old Northeast Opportunity with Multiple Living Spaces Rarely does a property like this become available in one of St. Petersburg's most sought-after neighborhoods. Located in the heart of Old Northeast, 146 13th Ave N offers a unique and versatile opportunity with three private living spaces, timeless architectural charm, and endless potential for income, personal use, or a blend of both. The front main house features 2 bedrooms and 2 bathrooms filled with classic character, including original wood flooring, high ceilings, and other period features that create a warm, welcoming feel. The home also offers central air, washer and dryer, and updated kitchen and bathrooms completed in 2021. The A/C was replaced in 2025 and new roof in 2024, adding peace of mind for the next owner. Behind the main house is a detached ADU / converted garage structure with private entrances for each unit, offering exceptional flexibility. Whether used as rental units, guest quarters, or space for extended family, the possibilities are wide open. The lower unit is a studio apartment with a full kitchen, while the upper unit features 3 bedrooms, 1 bathroom, high ceilings, and a separate sunroom that adds charm and bonus living space. The back units are cooled by window units. The property also includes alley access, adding convenience and functionality. Currently, the front house and upper ADU are rented, while the lower studio is vacant, giving the next owner immediate flexibility and upside from day one. This property captures everything buyers love about Old Northeast: historic character, versatility, and an unbeatable location just minutes from downtown St. Petersburg, waterfront parks, dining, shopping, and vibrant city living. Whether you are searching for an income-producing property, a place to live with room for family, or a rare opportunity to own a flexible multi-unit property in one of St. Pete's most beloved neighborhoods, 146 13th Ave N is a truly special offering.