Welcome to 920 E. Herring Ave in the heart of West Covina, a versatile property offering incredible potential for investors or multi-generational living. This upgraded home features a total of three units, including a main residence, a detached studio ADU, and a private master bedroom suite that has been thoughtfully sectioned off with its own entrance, perfect for added rental income or guest accommodations. Inside the main house, you’ll find modern conveniences and thoughtful upgrades throughout. A/C & heater minisplit in the living room and one bedroom. There is a space that may be used as a den or an office space or can become a 4th bedroom. The appliances are all less than two years old, and a brand new water heater was installed in 2025. Washer and dryer hookups are available, and the home is equipped with connection ideal for RV owners. The gated driveway comfortably fits up to three cars and features an electric sliding gate for added security. In the backyard, a privacy gate ensures a secluded and peaceful outdoor area. Guava tree and key lime tree in the back yard. Yard would be great for a future pool. The private master bedroom has it’s own dedicated switch board and has an a/c & heater minisplit. Has a standup shower and kitchenette with single washer and dryer unit. The detached studio ADU offers even more flexibility for tenants, family, or home office use. It adds valuable usable space that enhances the functionality of the entire property. Located in a quiet, residential neighborhood, this home is just minutes away from West Covina Plaza (about 1.6 miles, a 5-minute drive), Galster Wilderness Park (3.7 miles, 10 minutes), Big League Dreams sports complex (4.5 miles, 12 minutes), and the Covina Center for the Performing Arts (approximately 4 miles, 10 minutes). You’ll enjoy easy access to shopping, nature, recreation, and culture all within a short drive. Whether you’re looking to generate income or create a comfortable next-gen living environment, this property offers a rare opportunity to own a multi-unit home in a desirable West Covina location.