Welcome to Lone Jack Ranch – A Rare Opportunity in the Heart of Olivenhain. Set in a community where time seems to stand still, this remarkable 15-acre estate blends rural tranquility with upscale coastal living. Whether you’re an equestrian, builder, or someone seeking space to create lifelong memories, 3485 Lone Jack Rd offers the perfect canvas for your vision. Just 8 miles from the Pacific Ocean, this property features a private lake, mature landscapes, equestrian amenities, and endless development potential—a rare combination of natural beauty, privacy, and possibility. Located within one of Southern California’s most productive subtropical zones (USDA 10a–10b, Sunset 24), ideal for avocados, citrus, and even bananas. A 485-ft well drilled in 2005 delivers 128 GPM with a regulated flow of 20 GPM, feeding a 5,000-gallon storage tank and in-home filtration. Septic certified April 2025. Zoning allows two horses per acre; includes riding arena and access to a 30-mile trail network and two premier riding centers. Lone Jack Ranch—an Encinitas legacy in the making.
MLS #
SD250043222
MLS Source
San Diego MLS
Days on Site
1
Kitchen
Countertop - Other, Other
Appliances
Cooktop - Gas, Dishwasher, Garbage Disposal, Other, Oven Range, Refrigerator, Water Softener
Fireplace
Living Room, Primary Bedroom
Laundry
Hookup - Electric, Hookups Only, In Laundry Room, Other
Cooling
Other
Heating
Fireplace, Forced Air, Propane
Roof
Tile
Pool
Other
Garage/Parking
No Garage, Other, Garage: 0 Car(s)
Water
Well
HOA Fee
$0
3485 Lone Jack Road is a Single Family Residence in Encinitas, CA 92024. This 2,446 square foot property sits on a – Sq Ft Lot and features 4 bedrooms & 3 full bathrooms. It is currently priced at $3,988,800 and was built in 1991. This address can also be written as 3485 Lone Jack Road, Encinitas, CA 92024.
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This listing information is up-to-date as of November 04, 2025. For the most current information, please contact Peter Caspersen, (619) 807-3423