10650 Old Castle Road, Valley Center, CA 92082

Local realty services provided by:ERA North Orange County Real Estate
10650 Old Castle Road,Valley Center, CA 92082
$2,695,000
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  • 5 Beds
  • 4 Baths
  • 4,133 sq. ft.
  • Single family
  • Active
Listed by: keith york
Office: agents of architecture
MLS#:250043644SD
Source:CRMLS

Price summary

  • Price:$2,695,000
  • Price per sq. ft.:$652.07

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

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Home facts

  • Year built:1991
  • Listing ID #:250043644SD
  • Added:96 day(s) ago
  • Updated:February 10, 2026 at 02:17 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:4
  • Full bathrooms:3
  • Half bathrooms:1
  • Living area:4,133 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Fireplaces, Forced Air, Propane, Wood

Structure and exterior

  • Roof:Composition
  • Year built:1991
  • Building area:4,133 sq. ft.

Finances and disclosures

  • Price:$2,695,000
  • Price per sq. ft.:$652.07
Based on information from California Regional Multiple Listing Service, Inc. as of February 12, 2026 . This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. The information provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified.

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