5320 Olive Hill Trl, Bonsall, CA 92003 (MLS # 260005384SD)
Luxury Live Auction! Bidding to start from $3,300,000! This luxury dual-parcel estate seamlessly integrates a 6,000+ sq. ft. Mediterranean-inspired mountaintop residence, a guest home, full equestrian infrastructure, and productive agricultural acreage, including established avocado orchards and a vineyard of select varietals (Cabernet Sauvignon, Petite Syrah, Primitivo/Zinfandel). Elevated to capture panoramic mountain and valley vistas, the estate also features an infinity-edge pool, expansive terraces for entertaining, dual gated entrances, and cross-fenced pastures. The adjoining 10.55-acre parcel provides independent road access, additional residential flexibility, and agricultural productivity, offering income potential, agricultural tax advantages, and the capacity for long-term legacy expansion. Together, the parcels create a contiguous estate that supports: Private luxury residence with panoramic views Equestrian operations with full facilities Agricultural production with income and estate-scale potential Generational landholding with expansion options Opportunities to acquire contiguous estates of this scale and configuration in coastal Southern California are exceptionally rare. Hidden Ridge Ranch offers not just a home, but a strategic, enduring landholding"”an estate capable of supporting lifestyle enjoyment, agricultural productivity, and multi-generational stewardship within one of the region's most desirable microclimates. Offered for sale at Harcourts Luxury Auction on March 26th. Historical photos online Hidden Ridge Ranch is being marketed as a legacy estate landholding rather than a conventional residential listing. Qualified buyers seeking additional property details, agricultural information, and estate planning context may request the full Offering Memorandum directly from the listing agent. Due to the private nature of the property, showings are available by appointment only and must be scheduled through the listing agent. Buyers are encouraged to review the Offering Memorandum and supporting materials prior to requesting a tour of the property.
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DAYS ON MARKET
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1
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LAST UPDATED
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3/6/2026
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TRACT
|
Bonsall
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YEAR BUILT
|
1999
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COMMUNITY
|
92003 - Bonsall
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GARAGE SPACES
|
4.0
|
|
COUNTY
|
San Diego
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STATUS
|
Active
|
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PROPERTY TYPE(S)
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Single Family
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|
|
| AIR |
Central Air, Electric |
| AIR CONDITIONING |
Yes |
| APPLIANCES |
Built-In Range, Dishwasher, Disposal, Gas Cooktop, Gas Range, Gas Water Heater, Microwave |
| AREA |
92003 - Bonsall |
| CONSTRUCTION |
Stone, Stucco, Wood Siding |
| EXTERIOR |
Fire Pit |
| FIREPLACE |
Yes |
| GARAGE |
Attached Garage, Yes |
| HEAT |
Active Solar, Electric, Fireplace(s), Forced Air, Solar |
| INTERIOR |
Eat-in Kitchen |
| LOT |
19.29 acre(s) |
| LOT DESCRIPTION |
Sprinklers In Front, Sprinklers In Rear |
| LOT DIMENSIONS |
840272 |
| PARKING |
Attached, Asphalt, Circular Driveway, Concrete, Gated |
| POOL DESCRIPTION |
Gas Heat, Heated, In Ground |
| STORIES |
1 |
| STYLE |
Mediterranean |
| SUBDIVISION |
Bonsall |
| WATER |
Public, Well |
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Listed with First Team Real Estate
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 3/7/26 12:08 AM PST and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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