Expansive 110-Acre Agricultural Opportunity with Panoramic Views! Two parcels totaling approximately 110 acres to be sold together. Long-established, organic-certified avocado ranch with expansive views, multiple wells, and an 8-million-gallon reservoir with advanced irrigation infrastructure. Improvements include two single-family homes, a barn, large workshop with loading dock, and extensive water systems with underground connections and 440V power to booster pumps. Excellent location near Valley Center amenities, Valley View Casino, Harrah’s Resort, and local wineries. Zoning allows continued agricultural use with potential for future development. Parcel#1890211100 and Parcel#1890204100Both to be sold together.
Premier 110-Acre Agricultural Asset with Multi-Source Water System! Two contiguous parcels totaling approximately 110± acres offered for sale together. Long-standing, income-producing organic avocado operation with established infrastructure and on-site management continuity. Certified organic with annual compliance inspections, supporting premium market positioning. Agricultural improvements include 7 active water wells, an approximately 8-million-gallon reservoir, underground irrigation distribution system, booster pump facilities with 440-volt power supply, and reverse osmosis equipment (in process). Water systems are designed for operational flexibility using well water, district water, or a combination of both. Improved with two single-family residences, barn, large workshop with loading dock, and additional support structures suitable for agricultural operations. Zoning allows continued agricultural use with potential for residential and future development (buyer to verify). Strategic Valley Center location with convenient access to major roads, local amenities, Valley View Casino, Harrah’s Resort, and area wineries. APNs 189-020-41-00 and 189-021-11-00 to be sold together.
CRMLS #SB23207598
Apr 30, 2024
Sold
$3,000,000
$1,890/sq ft
Mar 18, 2024
Pending
—
Jan 5, 2024
Price Changed
$4,364,000
$2,750/sq ft
Nov 8, 2023
Listed
$4,600,000
$2,899/sq ft
110 Acres of Organic Avocado Ranch with Spectacular Panoramic Views Flat Lot Plenty of Buildable Land. Rock Hill Ranch is an Organic Avocado Ranch Family Business for over 50 years. This Ranch was History of Gary Cooper's private country estate where he kept his horses and lived in a ranch- style house Parcel #1890204100 has two Single Family-Home 3-3 bath 3 car garage and a 2 -1 bath Barn Large workshop with loading dock. There are 7 water wells which are used for the Avocado and Grapefruit operation with reliable water flow even in the current drought conditions . The whole farm is Organic Certified which carries strict regulations and yearly inspections of farming practice, disallows use or storage of chemicals and provides additional income for the same utility and operational costs. We have an expert grove manager and a farm foreman who has been with the Ranch for 40 years and would provide continuity for the new owners in the farm operation. #1890211100 is 99.390 acre for the Avocado Ranch There is an 8 million gallon of water reservoir to store well water for irrigation purposes. All water infrastructure is connected underground and can be used independently to operate only on well water or only on district water, or use combinations of both. Both connect to the reservoir, which features a boost pump to move the water up into the grove's network of sprinkler irrigation system. There is a 440 Volt supply to the boost pump facilities by the reservoir. Price included water Reverse Osmosis Equipment in Process. Property is an Excellent Location and Zoning allows Home use Continued Agriculture use Future Development. Close to all roads and valley center amenities Two Miles to Valley View Casino, Harrahs Casino, Hill Top Winery. Total 110 acres Combine Parcel#1890211100 and Parcel#1890204100 must be sold together Total $4,364,000
CRMLS #SB23131764
Sep 25, 2023
Listing Removed
—
Jul 17, 2023
Listed
$4,600,000
$2,899/sq ft
Public Records
Oct 28, 2015
Sold
$3,895,000
$2,454/sq ft
CRMLS #SB15105597
Oct 28, 2015
Sold
$895,000
$564/sq ft
Oct 15, 2015
Pending
—
Sep 24, 2015
Contingent
—
Jun 5, 2015
Relisted
—
May 29, 2015
Listing Removed
—
May 16, 2015
Listed
$1,000,000
$630/sq ft
Public Records
Oct 17, 2014
Sold
$3,500,000
$2,205/sq ft
Public Records
Apr 26, 1988
Sold
$2,050,000
$1,292/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$9,501 (+24.6%)
$624,240 + $142,534
$766,774
2024
$7,623 (+2.5%)
$612,000 + $139,740
$751,740
2023
$7,436 (+2.3%)
$406,201 + $174,085
$580,286
2022
$7,271 (+2.3%)
$398,237 + $170,672
$568,909
2021
$7,110 (+1.1%)
$390,429 + $167,326
$557,755
2020
$7,031 (−0.1%)
$382,774 + $164,046
$546,820
2019
$7,039 (+2.6%)
$378,850 + $162,364
$541,214
2018
$6,859 (+2.1%)
$371,422 + $159,181
$530,603
2017
$6,720
$357,000 + $153,000
$510,000
2016
$6,719 (+20.6%)
$357,000 + $153,000
$510,000
2015
$5,572 (+26.4%)
$350,000 + $150,000
$500,000
2014
$4,408 (+1.0%)
$150,072 + $150,072
$300,144
2013
$4,364 (+1.9%)
$150,072 + $150,072
$300,144
2012
$4,284 (+2.1%)
$149,394 + $149,394
$298,788
2011
$4,194 (+1.4%)
$146,465 + $146,465
$292,930
2010
$4,136 (+1.2%)
$143,594 + $143,594
$287,188
2009
$4,089 (+2.3%)
$142,521 + $142,521
$285,042
2008
$3,995
$142,860 + $142,860
$285,720
Public record
Public record
Zoning
Beds
7
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
9.78 Acres
Year renovated
1945
Finished Sq. Ft.
—
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,587
Year built
1945
Style
Multi-Family (2-4 Unit)
County
San Diego County
APN
1890204100
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 19, 2026.
A70
Limited Agricultural Zone
The A70 Use Regulations are intended to create and preserve areas intended primarily for agricultural crop production. Additionally, a limited number of small farm animals may be kept and agricultural products raised on the premises may be processed.
Typically, the A70 Use Regulations would be applied to areas throughout the County to protect moderate to high quality agricultural land.
Permitted uses
Include but are not limited to:
Agriculture
Housing
Processing
Fire house
Police station
Agriculture-Cropland
Agriculture-Grove / orchard
Park & open space
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
8/10 Fire Factor
37% chance of being in a wildfire in next 30 years
6/10 Heat Factor
8 days above 99° expected this year, 24 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
5/10 Air Factor
7 unhealthy days expected this year, 8 days in 30 years
Provided by First Street
Historical weather
Valley Center, CA • 92082
Average low and high temperatures (°F)
67
48
70
50
73
52
70
50
75
54
82
57
85
58
91
64
86
63
82
57
72
50
71
49
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
97/ 100
Exceptional sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.7 hrs
6.4 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 15300 Round Tree
$3,645,428
$350K under list price of $4.00M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $725K to $1.3M.