4037-39 National Ave Don't miss this amazing investment opportunity in San Diego! Fully occupied with great tenants providing instant cash flow! This unique 4-unit property sits on a spacious lot with alley access and onsite parking. The front unit at 4037 is a 3/1, 850 sq ft single family home with a fenced private yard and driveway; the back building at 4037 1/2 is a large 2 level building, with the top level unit boasting a 1 bedroom 1.5 bath 500sf living space with a private fenced yard and the downstairs unit is a charming 1/1 bonus studio with its own entrance that includes newer bathroom, shower, and oven at about 240sf. The unit at 4039, is a 2/1 500 sf single family residence. and features updated LVP flooring, modern cabinets, newer SS appliances, and fenced private yard. Major updates include a new electrical panel with each building individually metered, plumbing, and roofs across the property. The lot offers ample yard space with mature trees, fencing for privacy, carport in alley, and street parking. Located near parks, schools, shopping centers, and major freeways, this property is ideal for long-term investment and flexible living arrangements. Huge development potential for more units.