SOLD AUG 20, 2026

Sold on aug 2026

$2,200,000

•

4,133

sq ft

10650 Old Castle Rd, Valley Center, CA 92082

Track this home’s value and nearby sales activity

About this home

FIRST TIME ON THE MARKET: Recently featured by Architectural Digest, this masterwork by San Diego architect Kendrick Bangs Kellogg resides high atop its 40-acre Valley Center parcel offering 360-degree views through expansive walls of glass. The hand-crafted organic architecture and landscape melds together offering an array of intimate spaces scaled for everyday living. Inspired to return to their agrarian roots, in 1972 the family purchased a 40 acre plot and planted over 900 avocado trees. Designed by the architect in 1984, the home of glass and wood with rock walls sourced from the surrounding property took 6 years to build. Nestled amongst the avocado grove, the home’s high perch lends itself to breathtaking 360 degree views of the area through the floor to ceiling windows. With 5 bedrooms and 3 bathrooms, as well as two fireplaces and custom woodwork throughout, this home captures some of Kellogg’s most inspired work, blurring the line between nature and home, between architecture and sculpture.

Single-familyProperty Type

1991Year Built

$532Price/Sq.Ft.

3 garage spacesParking

Listed by Keith York •DRE #01874926 • Agents of Architecture

•619-417-2651 (agent)

•keith@modernsandiego.com (agent)

Bought with Keith York •DRE #01874926 • Agents of Architecture

•619-417-2651 (agent)

•keith@modernsandiego.com (agent)

Redfin checked: 3 minutes ago

•Source:SDMLS #250043644

Redfin Estimate

$2,451,893

$252K since sold in August 2026$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 76.6% higher than the average sale price ($1.39M) of 6 comparable homes.

SOLD AUG 17, 2026
$1,200,000
A
4 beds2.5 baths3,513 sq ft
12355 Calle de Ensueno, Valley Center, CA 92082
SOLD AUG 10, 2026
$1,700,000
B
4 beds3.5 baths3,445 sq ft
10790 Castle Heights Dr, Valley Center, CA 92082
SOLD APR 17, 2026
$1,050,000
C
4 beds3 baths3,530 sq ft
11725 Sierra Rojo Rd, Valley Center, CA 92082
SOLD APR 22, 2026
$1,700,000
D
4 beds3.5 baths5,200 sq ft
10845 Mystery Mountain Rd, Valley Center, CA 92082
SOLD JUL 14, 2026
$954,000
E
5 beds3 baths2,956 sq ft
28944 Aerie Rd, Valley Center, CA 92082
SOLD APR 20, 2026
$1,725,000
F
5 beds3.5 baths3,800 sq ft
29166 Meadow Glen Way West, Escondido, CA 92026

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Market trends in 92082, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.7%

+0.2% MoM

Median sale price

$996K

$293 MoM

Avg. days on market

46d

3 days MoM

Recently sold homes

1 MoM

New listings for sale

$1,725,000
5 beds4.5 baths4,666 sq ft
27130 Tumbleweed Trl, Valley Center, CA 92082
OPEN TODAY, 11AM TO 1PM
$829,000
4 beds3.5 baths2,534 sq ft
27742 Old Dairy Way, Valley Center, CA 92082
EARLY ACCESS
$1,272,000
4 beds3 baths2,898 sq ft
26285 Calle De Encinas, Valley Center, CA 92082
OPEN TODAY, 11AM TO 2PM
$849,999
4 beds4 baths2,731 sq ft
27661 Heritage Ln, Valley Center, CA 92082
$889,000
3 beds2.5 baths2,141 sq ft
27053 Saint Andrews Ln, Valley Center, CA 92082
$119,000
2 beds2 baths1,368 sq ft
18218 Paradise Mountain Rd #116, Valley Center, CA 92082
OPEN SUN, 1PM TO 4PM
$88,000
2 beds2 baths1,248 sq ft
18218 PARADISE MOUNTAIN Rd #180, Valley Center, CA 92082
$850,000
3 beds2 baths1,396 sq ft
19602 Santee Ln, Valley Center, CA 92082
$2,099,000
3 beds3.5 baths3,108 sq ft
26751 Red Ironbark Dr, Valley Center, CA 92082
OPEN SUN, 1PM TO 3PM
$1,425,000
7 beds5 baths4,694 sq ft
30349 Cool Valley Ln, Valley Center, CA 92082
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Rental estimate

Est. $5,351 per month, based on comparable rentals

Sale and tax history for 10650 Old Castle Rd

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2025

$15,686 (+2.1%)

$262,642 + $1,011,565

$1,274,207

2024

$15,360 (+2.2%)

$257,493 + $991,731

$1,249,224

2023

$15,029 (+1.8%)

$252,445 + $972,286

$1,224,731

2022

$14,771 (+1.9%)

$247,496 + $953,222

$1,200,718

2021

$14,497 (+1.0%)

$242,644 + $934,532

$1,177,176

2020

$14,350 (−0.3%)

$237,887 + $916,208

$1,154,095

2019

$14,392 (+2.5%)

$235,448 + $906,814

$1,142,262

2018

$14,036 (+2.0%)

$230,832 + $889,034

$1,119,866

2017

$13,765 (−0.1%)

$221,869 + $854,512

$1,076,381

2016

$13,785 (+0.8%)

$221,869 + $854,512

$1,076,381

2015

$13,673 (+2.2%)

$217,519 + $837,757

$1,055,276

2014

$13,377 (+10.1%)

$210,056 + $809,010

$1,019,066

2013

$12,152 (−6.3%)

$210,056 + $809,010

$1,019,066

2012

$12,965 (+2.2%)

$300,000 + $620,000

$920,000

2011

$12,683 (+1.1%)

$205,273 + $790,591

$995,864

2010

$12,550 (+1.1%)

$201,249 + $775,090

$976,339

2009

$12,413 (+2.1%)

$199,745 + $769,298

$969,043

2008

$12,156

$200,220 + $771,126

$971,346

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

40.45 Acres

Year renovated

1991

Sq. Ft.

4,133

Year built

1991

Style

Single Family Residential

County

San Diego County

APN

1850410100

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 28, 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

Property details

Parking

Parking/Garage Information
# of Parking Spaces Total: 15
Has Garage
Has Attached Garage
# of Garage Spaces: 3
Parking Features: Attached

Interior

Virtual Tour

Bedroom Information
# of Bedrooms Possible: 5

Bathroom Information
# of Full Bathrooms: 3
# of Half Bathrooms: 1

Heating & Cooling
Has Cooling
Cooling: Central Air
Has Heating
Heating: Fireplace(s), Forced Air, Propane, Wood

Interior Features
Appliances: Dryer, Refrigerator, Washer, Propane Cooktop
Has Fireplace
# of Fireplaces: 2
Fireplace Features: Living Room, Master Bedroom

Exterior

Exterior Features
Fencing: Partial
Roof: Composition

Building Information
Sq. Ft.: 4133.0
# of Stories Total: 2
Construction Materials: Glass

Property Information
Property Type: Residential
Property Sub Type: Single Family Residence
Raw Mls Property Sub Type: Detached

Lot Information
Lot Size : 20+ AC
Lot Size Units: Acres

Utilities

Utility Information
Sewer: Septic Tank

Location

Location Information
Directions: Take 15 to Gopher Canyon to Old Castle Road.
Subdivision Name: VALLEY CENTER

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 4,133
Stories: —
Lot Size: 40.45 acres
Style: Single Family Residential
Year Built: 1991
Year Renovated: 1991
County: San Diego County
APN: 1850410100

Home facts updated by county records on Aug 28, 2026

Other

Listing Information
List AOR: San Diego Association of REALTOR

Around this home

Schools

Lilac School

Public K-5 • Assigned • 2.0mi

6/10

Valley Center Middle School

Public 6-8 • Assigned • 7.5mi

2/10

Valley Center High

Public 9-12 • Assigned • 4.8mi

5/10

Provided by GreatSchools

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

6/10 Fire Factor

12% chance of being in a wildfire in next 30 years

5/10 Heat Factor

8 days above 99° expected this year, 26 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

4/10 Air Factor

6 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Valley Center, CA • 92082

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

94/ 100

Exceptional sunlight

Sunscore

This home receives average direct sun exposure in Valley Center. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.8 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.33M – $2.82M

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Home values near 10650 Old Castle Rd

Data from public records.

Address	Redfin Estimate
10500 Old Castle Rd, Valley Center, CA 5 Beds \| 4.5 Baths \| 4800 Sq. Ft.	$1,567,492
10500 Old Castle Rd, Valley Center, CA 4 Beds \| 3 Baths \| 4053 Sq. Ft.	$968,280

Address	Redfin Estimate
10556 Old Castle Rd, Valley Center, CA - Beds \| - Baths \| - Sq. Ft.	$398,921
10808 Castle Heights Dr, Valley Center, CA 5 Beds \| 4 Baths \| 3900 Sq. Ft.	$1,471,583

Address	Redfin Estimate
10556 Old Castle Rd Apartment 3, Valley Center, CA - Beds \| - Baths \| - Sq. Ft.	$894,148
29960 Spearhead Trl, Valley Center, CA 4 Beds \| 2 Baths \| 1566 Sq. Ft.	$808,226

Property information provided by SDMLS when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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