This well-maintained single-family home with a detached apartment at 2156 17th Ave S in St. Petersburg offers an outstanding opportunity for owner-occupants and investors alike. Live in the spacious 3-bedroom, 1-bathroom main residence (currently vacant and move-in ready) while the detached 1-bedroom, 1-bathroom apartment (375 square feet) generates immediate income at $1, 695 per month, providing a perfect way to significantly offset your housing costs. Projected market rent for the 3-bedroom unit is $2, 460 per month, delivering strong combined potential income of approximately $4, 155 monthly when fully leased. Featuring a brand-new roof installed in March 2026, the main home offers approximately 1, 106 square feet, creating a versatile 2-unit setup on a generous lot with total living space of roughly 1, 481 square feet. Both units are well-maintained and ready for use, and the property comes with a satisfactory 4-point inspection along with a clean no-flood history in a desirable non-flood zone. Convenient access to St. Petersburg’s vibrant downtown attractions, parks, dining, world-class beaches, and major commuting routes, this property sits in a desirable area with strong rental demand. This rare find represents a fantastic chance to own and invest in one of St. Petersburg’s stable and sought-after neighborhoods. Whether you’re looking for a primary residence with built-in income to offset your mortgage or a high-yielding income-producing asset, this charming home delivers exceptional value and cash-flow potential.