21501 Westpark Street is a 24-unit multifamily investment opportunity located in the Longwood-Winton Grove neighborhood of Hayward, California. Offered at $6,575,000, the property consists of 20,605 square feet on a 0.88-acre parcel and maintains a strong 96% physical occupancy rate, providing immediate cash flow. The asset features a highly desirable unit mix, with a majority of townhouse-style floor plans offering one-and-a-half bathrooms and an average unit size of approximately 859 square feet. All units are individually metered for water, electricity, and gas, reducing landlord utility obligations and supporting operational efficiency. Current rents are reported to be approximately 10% below market, creating a compelling value-add opportunity with an in-place cap rate of 6.51%%. Positioned near Interstate 880, Interstate 92, BART transit, major employment centers, and regional shopping destinations, the property benefits from strong tenant demand and long-term investment appeal.