1720 Alameda Diablo, Diablo, CA 94528

Diablo
Local realty services provided by:ERA North Orange County Real Estate
1720 Alameda Diablo,Diablo, CA 94528
$6,995,000
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  • 7 Beds
  • 9 Baths
  • 8,190 sq. ft.
  • Single family
  • Pending
Listed by: margaret combs
Office: the agency925-575-8000
MLS#:41148397
Source:CRMLS

Price summary

  • Price:$6,995,000
  • Price per sq. ft.:$854.09

About this home

THE WHITE CASTLE | A RARE DIABLO LEGACY ESTATE An exceptional offering rarely seen in Diablo. Positioned on one of the community’s most coveted streets near the prestigious Diablo Country Club entrance, “The White Castle” occupies 1.44 acres of nearly flat, park-like grounds wrapped in privacy and timeless grandeur. This extraordinary 8,190 SF estate has been thoughtfully reimagined by Jacobs & Co. and Badger Construction, blending architectural scale with highly curated design and modern livability. The predominantly single-level floor plan unfolds across two private wings, offering seven bedrooms—including five en-suites—and an exceptional environment for sophisticated entertaining and multigenerational living. Highlights include a dramatic expanded entry, expansive great room, formal dining, elegant bar lounge, curated wine room, prep kitchen, redesigned mud room, tech center and two laundry rooms. The primary suite has been elevated with a newly designed bath and expanded...

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Home facts

  • Year built:1941
  • Subdivision & Development:DIABLO C.C.
  • Listing ID #:41148397
  • Added:13 day(s) ago
  • Updated:September 30, 2026 at 09:22 AM

Rooms and interior

  • Bedrooms:7
  • Total bathrooms:9
  • Full bathrooms:6
  • Half bathrooms:3
  • Flooring:Carpet, Tile, Wood
  • Living area:8,190 sq. ft.

Heating and cooling

  • Cooling:Central Air, Whole House Fan
  • Heating:Forced Air, Natural Gas
  • Central air:Yes

Structure and exterior

  • Roof:Shingle
  • Year built:1941
  • Building area:8,190 sq. ft.
  • Lot area:1.44 Acres
  • Lot Features:Back Yard, Front Yard, Garden, Street Level
  • Architectural Style:Traditional
  • Construction Materials:Wood Siding
  • Exterior Features:Patio
  • Levels:1 Story

Finances and disclosures

  • Price:$6,995,000
  • Price per sq. ft.:$854.09

Features and amenities

  • Amenities:Gas Water Heater, Workshop
  • Pool features:Gas Heat, In Ground, Solar Heat

Parking

  • Total parking spaces:4
  • Parking description:Garage, Garage Door Opener
  • Garage:Yes
  • Garage spaces:4
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