6320 Topaz Street Welcome to 6320 Topaz St, a single-story home located in the Alta Loma area of Rancho Cucamonga. This 3-bedroom, 2-bathroom home offers approximately 1, 659 square feet of living space on an approximately 10, 800 square foot lot, providing space for outdoor living, entertaining, or potential future improvements. Recent mechanical updates include a newer HVAC system and solar panels that will be paid off at the close of escrow, offering added energy efficiency for the next owner. The home retains much of its original cosmetic character, creating an opportunity for buyers to update and personalize the interior while benefiting from updated major systems. Conveniently located near parks, shopping, dining, schools, and commuter routes, this property offers a combination of lot size, location, and future potential in an established Rancho Cucamonga neighborhood.