9209 Harness Investor and owner-user opportunity! Rare M54 industrial-zoned property featuring both a detached residential dwelling and massive metal warehouse/workshop on one parcel in Spring Valley. The detached residence offers 3 bedrooms, 1 bathroom, and approximately 912 sq ft, creating a unique live/work opportunity with incredible flexibility for contractors, automotive uses, fabricators, storage, warehousing, small manufacturing, service businesses, or anyone seeking to combine residential living with business operations in one convenient location. The oversized metal warehouse/workshop is approximately 1200 sq ft and provides exceptional functionality with a truck door, 175 amp single phase power, 1/2 bath, and abundant space for equipment, inventory, storage, creative projects, or business expansion. San Diego County’s M54 General Impact Industrial zoning allows for a variety of industrial and commercial support uses, making this an outstanding opportunity with endless potential. Property does require significant repairs and updating, which is reflected in the pricing, offering buyers the chance to add value and maximize the property’s possibilities. Conveniently located with access to major transportation routes and commercial services. Rare opportunity to own a versatile industrial-zoned property with live/work potential in San Diego County!