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Annette Mullen, DRE#00935034, REALTOR®
(805) 440-6620
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1720 1720 Alameda Diablo, Diablo, CA 94528

$5,850,000
  • 1720 1720 Alameda Diablo, Diablo, CA 94528 Main Photo

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Active
BEDS8 BATHS7 full 3 partial SQUARE FEET7,890 MLS#41121927
STATUSActive PROPERTY TYPEResidential - Single Family SUBDIVISIONDIABLO C.C. SCHOOLSan Ramon Valley

Listing Courtesy of: Coldwell Banker Realty
Agency Phone: 925-362-2062
Associate Name: Khrista Jarvis
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Listing Shown by: Farrell Smyth, Inc.
Associate Name: Annette Mullen, DRE#00935034, REALTOR®


Property Description

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 entertainers 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.

1720 1720 Alameda Diablo | MLS# 41121927

This single family home located at 1720 1720 Alameda Diablo, Diablo, CA 94528 is currently listed for sale with an asking price of $5,850,000. This property was built in 1941 and has 8 bedrooms and 7 full and 3 partial baths with 7890 sq. ft. 1720 Alameda Diablo is located in the DIABLO C.C. subdivision within the San Ramon Valley school district. Search DIABLO C.C. real estate on annettemullen.farrellsmyth.com today.

Property Features

Property Type: Residential - Single Family
Cooling: Central Air
Garage: 4 car attached
Heating: Forced Air
Home Style: Traditional
Lot Size: 1.44 Acres
Stories: 1.0
Year Built: 1941

Amenities

Breakfast Bar
Breakfast Area

Feature Descriptions

Appliances: Gas Water Heater, Dryer, Washer
Days on Site: 36
Exterior: Wood Siding
Fireplace: Dining Room, Living Room, Primary Bedroom
Flooring: Carpet, Tile, Wood
Lot: Back Yard, Front Yard, Street Level, Yard
Parcel#: 1951520038
Parking: Garage
Parking Notes: Garage
Patio/Porch: Patio
Pool: In Ground, Solar Heat
Sewer: Public Sewer

Local Schools

School District: San Ramon Valley

Listed By / Shown By

Listed By

Agency Name: Coldwell Banker Realty
Agency Phone: 925-362-2062
Agent Name: Khrista Jarvis

agent picture

Shown By

Agent Name: Annette Mullen, DRE#00935034, REALTOR®
Agent Phone: (805) 440-6620
Agency Title: Farrell Smyth, Inc.

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Estimate Your Payment

Estimated Payment

$ 14,725.81 per month $13,019.56 Principal & Interest $0.00 Property Tax (data not provided by mls) $1,706.25 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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. Information on this site was last updated 03/05/2026. The listing information on this page last changed on 03/05/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Thu 03/05/2026 12:07:19 AM EST) or CRMLS (last updated Thu 03/05/2026 12:02:21 AM EST). Real estate listings held by brokerage firms other than Farrell Smyth, Inc. may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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