Old River Road Bonsall, CA $ 4,100,000
Old River Road
$ 4,100,000
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Old River Road

Bonsall, CA, 92003
$ 4,100,000
Baths0.0

Monthly Estimate*

$ 25,888

Listed by Real Brokerage Technologies
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Studio

Lots and Land for sale in Bonsall, CA

for $4,100,000. The lot size is 90.

DISCREET INSTITUTIONAL OPPORTUNITY | 89.88 CONTIGUOUS ACRES | SINGLE LEGAL LOT Positioned at the strategic intersection of ecological asset preservation and multi-use land holding, this unified 89.88-acre contiguous tract represents one of the final legacy footprints in the Bonsall’s San Luis Rey River corridor. Comprising three parcels legally bound as one single lot, the property’s unique strength lies in its naturally bifurcated biological and topography profiles. THE ECOLOGICAL FOOTPRINT: Approximately 69.26 acres feature pristine, high-density native flora, including Diegan Coastal Sage Scrub and a prominent Southern Willow Scrub riparian corridor intersecting the acreage. This native landscape serves as an exceptional private nature buffer, insulating the topography from future regional fragmentation. Positioned ahead of the upcoming North County Multiple Species Conservation Program (MSCP) framework, this acreage presents significant long-term potential for high-value conservation easements, regional habitat mitigation offsets, or permanent stewardship. THE UTILITY CORE: Approximately 20.26 acres of flatter, low-constraint topography—predominantly classified as non-native grassland, disturbed habitat, and existing agricultural pockets—provide an immediate, friction-free envelope for a grand private compound, secure ingress/egress, or sovereign holding utility without triggering extensive environmental mitigation exposure. This is a data-driven land holding tailored explicitly for the forward-thinking legacy investor, conservation trust, or sovereign entity seeking absolute privacy, environmental equity, and watershed security. Complete biological mapping, Holland Code habitat classifications, and certified parcel surveys are available upon request. The offering price reflects a repositioning of assets from conventional rural or residential land to a strategic land holding aligned with the emerging MSCP-driven demand dynamics.

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Lots and Land Active

Price

$ 4,100,000

Bedrooms

Studio

Property Type

Lots and Land

Taxes

$ 0

Style

Lot Size

90

Town/City

Bonsall

County/Region

San Diego

MLS | Web ID

NDP2601635

Days on Market

157

Features
General
Utilities Electricity Available See Remarks
Zoning R-1:SINGLE FAM-RES Resid
HOA Fee 0
View Hills Meadow Mountain(s) Panoramic River Valley Trees/Woods
Community Features Suburban
Additional Parcels Description 1261203500 1263004600
County San Diego
Property Type Land
HOA false
Possible Use Agricultural Horses Improved Investment Residential See Remarks
Special Listing Conditions Standard
Status Active
Directions Use Map App 76 to OLD River Rd. At the corner of Dentro De Lomas and Old River Rd.
City Bonsall
Senior Community Y/N false
Zoning Description R-1:SINGLE FAM-RES VACANT LAND on 3 Parcels: APN: 126-120-34-00 Approx 37.03 Acres SR-10 APN: 126-120-35-00 Approx 39.66 Acres SR-2 APN: 126-300-46-00 Approx 15.08 Acres SR-10 Per the San Diego County General Plan 2020:
MLS Area 92003 - Bonsall
Lot Size Units Acres
Lot Size Square Feet 3920400
Listing Terms Cash Cash to New Loan
Land Lease Y/N false
Additional Parcels Y/N true
Standard Status Active
Expected Active Date 2026-02-19
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Interior
Total Baths 0
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Exterior
Lot Features Corner Lot Over 40 Units/Acre
Total Parking 0
Lot Size Area 90
Lot Dimensions APN:126-120-34-00 Approx 37.03 APN:126-120-35-00 Approx 39.66 Acres APN:126-300-46-00 Approx 15.08
Lot Size Acres 90
Road Surface Type Paved
Lot Size Source Public Records
Road Frontage Type County Road
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* Excluded Features
List By
Real Brokerage Technologies

Broker

jan@sdinstyle.com

Email

Affordability Calculator

$25,888
Per Month
100%
0%
0%
Monthly Principal & Interest
$25,888
Monthly Property Taxes
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Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
6/16/2026$4,100,000 14.21% Price Up
2/20/2026$3,590,000 Listed Price

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Old River Road, Bonsall, CA, 92003 is a Lots and Land for sale at $4,100,000 with a lot size of 90. Old River Road is a studio with 0.0 baths. The property's zip code is 92003 which is in Bonsall, CA