Exceptional income-producing opportunity in San Diego County! With multiple rental possibilities and flexible living arrangements, this rare multi-unit property offers the potential for a buyer using conventional financing to offset a substantial portion of their monthly mortgage payment through rental income while enjoying ownership in one of Southern California’s most desirable mountain communities! 2.5 scenic, gently sloping, and highly usable acres 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, 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. At the current list price, a buyer utilizing conventional financing may have the opportunity to substantially offset monthly mortgage expenses through rental income, potentially covering much or all of the mortgage payment along with a portion of property taxes and insurance. Buyer to independently verify rental income potential and financing terms.