Welcome to 4004 Forecastle Ave. This spacious single-level home is nestled in a quiet cul-de-sac in West Covina, with close proximity to Rowland Heights and Walnut. Built in 1963, this well-maintained residence offers 1,988 square feet of living space on a 6,377 square foot lot, featuring 5 bedrooms and 3 bathrooms. Designed for flexibility and functionality, the home includes two separate entrances and two kitchens, making it ideal for multi-generational living, rental income, or Airbnb opportunities. Whether you need extra space for extended family or want to create a private guest suite, this layout offers exceptional versatility. Recent upgrades include a newer roof, air conditioning system, appliances, and refrigerator. The home is being offered fully furnished for added convenience. Additional highlights include two separate water heaters, a smart home camera system, and dual keyless entry keypads for enhanced security and ease of access. Keyless entry, security cameras, Located in a desirable cul-de-sac neighborhood, this unique property presents a rare opportunity to own a move-in ready home with income-producing potential in a prime West Covina location.