2816-18 D Ave HOUSE + 1 BEDROOM ADU!! GREAT CASH-FLOW! $6, 000 a month! Built in 2019, this well-maintained National City duplex offers modern construction, flexibility, and incredible potential for owner-occupants, multigenerational living, or investors looking to expand their portfolio. The property features two separate residences, including a spacious 4-bedroom, 3-bath main home and a 1-bedroom, 1-bath second home. Both residences feature central heating and air conditioning for year-round comfort. The main home includes an attached 2-car garage and convenient laundry hookups, while rain gutters and an extremely low-maintenance yard make ownership and upkeep a breeze. Zoned R-4, the property may offer additional possibilities for future development or expansion; buyer to verify all zoning, density, and development opportunities with the City of National City. Conveniently located near shopping, restaurants, schools, parks, public transportation, Plaza Bonita, the 24th Street Trolley Station, major freeways including I-5, I-805, and SR-54, Downtown San Diego, Navy bases, San Diego Bay, and the U. S. -Mexico border. Whether you're looking to live in one home and rent the other, accommodate extended family, or add a newer multifamily property to your investment portfolio, 2816 D Ave offers multiple ways to live, invest, and build long-term wealth.