1720 Alameda Diablo Diablo, CA $ 5,850,000
1720 Alameda Diablo
$ 5,850,000
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1720 Alameda Diablo

Diablo, CA, 94528
$ 5,850,000
Bedrooms8 Baths7.3 Sq 7,890

Monthly Estimate*

$ 36,019

Listed by Coldwell Banker Realty
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Single Family Home for sale in Diablo, CA

for $5,850,000 with 8 bedrooms and 7 full baths, 3 half baths. This 7,890 square foot home was built in 1941 on a lot size of 1.444.

Ideally located near the entrance on one of the most coveted streets within the prestigious Diablo Country Club, this exceptional estate spans 1.44 acres of flat, park-like grounds, offering rare privacy, elegance, and resort-style living. A gated circular driveway creates commanding curb appeal, while the thoughtfully designed, predominantly single-level layout features two private wings - ideal for extended family or multigenerational living. The expansive floor plan includes two primary suites, two kitchens, two laundry rooms, an oversized great room, and a formal dining room, all enhanced by recent refinements including new carpet, sliding doors, updated systems, a backup generator, and a resurfaced pool. A four-car garage with a half bath adds exceptional functionality, while the private backyard oasis is an entertainer’s dream with an outdoor kitchen, fireplace, expansive lawn, greenhouse, and charming custom playhouse. Located near parks and recreation, within the highly acclaimed San Ramon Valley School District, and offering access to world-class golf, dining, and social amenities at Diablo Country Club, this is a rare opportunity to own a prestigious and beautifully upgraded estate.

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Single Family Active

Price

$ 5,850,000

Bedrooms

8

Full Bath

7

Half Bath

3

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

1.444

Year Built

1941

Town/City

Diablo

County/Region

Contra Costa

MLS | Web ID

41121927

Days on Market

49

Features
General
Living Area 7890
Sewer Public Sewer
Heating Forced Air
Cooling Central Air
Possession Close Of Escrow
Appliances Gas Water Heater Dryer Washer
Garage Spaces 4
Patio/Porch Features Patio
Architectural Style Traditional
Pool Features In Ground Solar Heat
Construction Materials Wood Siding
Year Built 1941
Stories Count 1
Levels One
Property Subtype Single Family Residence
County Contra Costa
New Construction false
Property Type Residential
HOA false
Attached Garage true
Subdivision Name DIABLO C.C.
Garage Y/N true
Full Baths 7
Status Active
Directions Diablo Rd - Alameda Diablo Cross Street: Diablo Rd.
City Diablo
High School District San Ramon Valley
Lot Size Units Square Feet
Lot Size Square Feet 62901
Listing Terms Cash Conventional
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
Expected Active Date 2026-01-28
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Interior
Interior Amenities Breakfast Bar Breakfast Area
Flooring Carpet Tile Wood
Fireplace Features Dining Room Living Room Primary Bedroom
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 3
Total Bedrooms 8
Total Baths 10
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Exterior
Parking Features Garage
Lot Features Back Yard Front Yard Street Level Yard
Total Parking 4
Lot Size Area 62901
Foundation Details Slab
Lot Size Acres 1.444
Private Pool false
Lot Size Source Public Records
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* Excluded Features
List By
Coldwell Banker Realty

Broker

khrista@jarvisandjung.com

Email

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$36,019
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$36,019
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Default based on a 30-year fixed rate of 6.25% 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
1/29/2026$5,850,000 Listed Price

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1720 Alameda Diablo, Diablo, CA, 94528 is a Single Family Home for sale at $5,850,000 with 7,890 sqft and a lot size of 1.444. 1720 Alameda Diablo has 8 bedrooms, 7.3 baths, and was built in 1941. The property's zip code is 94528 which is in Diablo, CA