Rare income producing opportunity in San Diego County! Make this your primary residence with multiple rental possibilities. This multi-unit property offers the potential through rental income while enjoying ownership in one of Southern California's most desirable mountain communities! 2.5 acres of gently sloping and highly usable land in Harrison Park just minutes from the historic townsite, this multi-family zoned property blends investment potential with peaceful mountain living. The main upper residence features 3 bedrooms and 2 bathrooms with a bright open-concept layout, spacious kitchen with island, large bedrooms, and a primary suite complete with a walk-in closet and relaxing jetted tub. The lower level offers a separate-entry 1 bedroom, 1 bathroom unit, plus a third unit, a 625 sq. ft. 1 bedroom, 1 bathroom apartment situated above the oversized detached 2-car garage-ideal for long-term tenants, short-term rental opportunities, guests, or multi-generational living. Designed with flexibility and functionality in mind, the property includes two electric meters, two propane accounts, private well plus shared well access, and an EV charging station in the garage. Surrounded by peaceful mountain scenery and abundant usable land, this is a rare chance to live, invest, and generate income in a truly special San Diego County setting. Property currently generates immediate rental income of $1,800/month from an existing tenant, with the potential for an additional estimated $3,000-$3,500+ per month through rental of the remaining two units, based on average rental rates in the Julian area.