425 Sefton Rarely does an income property with this level of upside become available in one of the San Gabriel Valley’s most sought-after cities especially one situated among neighboring income properties that reinforce long-term value and stability. Set on an expansive lot, this well-located quadruplex presents an exceptional opportunity for owner-users seeking long-term appreciation and future cash flow, as well as seasoned investors and 1031 exchange buyers.The property offers substantial value-add potential, including rental increases, repositioning opportunities, and the possibility to explore ADU or redevelopment options (buyer to verify). The generous lot size is a true standout, providing flexibility that is increasingly difficult to find in today’s market and a clear pathway to enhanced returns. Being adjacent to similar multifamily assets further strengthens the investment profile and supports long-term marketability. Located in the heart of Monterey Park, the property benefits from a city renowned for strong rental demand, top-rated schools, and a highly central location just minutes from Downtown Los Angeles. Residents enjoy convenient access to major freeways, public transportation, and a vibrant dining scene widely regarded as one of the best food destinations in the country. Monterey Park’s continued community investment, safety, and consistently high buyer and tenant demand make this a resilient, long-term hold. Whether your strategy is to maximize income, build equity, or secure a foothold in a high-barrier-to-entry market, this quadruplex checks all the boxes: prime location, oversized lot, upside potential, and long-term stability. A compelling opportunity in a city where assets of this caliber are rarely offered—don’t miss the chance to capitalize on Monterey Park’s enduring growth and demand.