Exceptional investment opportunity in the heart of Belleville! Purpose-built as a side-by-side duplex, this property features two spacious units, each offering 3 bedrooms, separate entrances, private driveways, and individual garages-an ideal setup for investors or buyers looking to live in one unit while generating rental income from the other.Both units offer functional layouts with bright, generously sized principal rooms and comfortable living spaces designed for long-term appeal. The property's purpose-built design provides excellent privacy between units while maximizing rental potential and ease of management.Significant recent improvements add tremendous value and peace of mind. In 2023, both 207 and 209 Foster Avenue underwent a complete electrical rewiring including new approved wiring and updated electrical panels to accommodate arc-fault breakers. In 2025, the entire exterior was transformed with new aluminum siding and soffits completed, enhancing curb appeal while reducing future maintenance.Ideally located in a mature Belleville neighbourhood, this duplex is just minutes from downtown, shopping, restaurants, schools, parks, public transit, healthcare services, and Highway 401, making it highly attractive to both tenants and owner-occupants.Whether you're expanding your investment portfolio, seeking a reliable income property, or looking for the perfect mortgage helper, this rare purpose-built duplex offers exceptional versatility, quality updates, and outstanding long-term value in one of Belleville's most convenient locations. 24 hours notice required for all showings.