Primary on Main
Address
1720 Alameda Diablo, Diablo, CA
Price
$ 5,850,000
Property Attributes
- ID#41121927
- TypeSingle Family
- Listing Status Active
- CountyContra Costa
- CityDiablo
- NeighborhoodDiablo C.C.
- Zip94528
- StyleTraditional
- Year Built1941
- Price$ 5,850,000
- Bedrooms8
- Full Bathrooms7
- Half Bathrooms3
- Sqr Footage7890
- Lot Size1.44 Acres
Data Source:
Bay East MLS, CCAR MLS, or bridgeMLS
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 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.
| Price History | |
|---|---|
| 3/6/2026 | Listed $5,850,000 |
General Features
| Living Area | 7890 |
|---|---|
| Sewer | Public Sewer |
| Heating | Zoned |
| Cooling | Central Air |
| Roof | Composition |
| Appliances | Dishwasher,Double Oven,Gas Range,Microwave,Refrigerator,Dryer,Washer,Gas Water Heater |
| Garage Spaces | 4 |
| Architectural Style | Traditional |
| Pool Features | In Ground,Solar Heat,Pool/Spa Combo,Outdoor Pool |
| Construction Materials | Wood Shingles,Wood Siding |
| Year Built | 1941 |
| Electric | Photovoltaics Seller Owned,Other Solar,Generator |
| Stories Count | 1 |
| Levels | One Story |
| Property Subtype | Detached |
| County | Contra Costa |
| New Construction | false |
| Property Type | Residential |
| HOA | false |
| Subdivision Name | Diablo C.C. |
| Garage Y/N | true |
| Other Structures | Shed(s) |
| Total Rooms | 18 |
| Full Baths | 7 |
| Status | Active |
| Directions | Diablo Rd - Alameda Diablo |
| City | Diablo |
| High School District | San Ramon Valley (925) 552-5500 |
| MLS Area | Listing |
| Lot Size Square Feet | 62901 |
| Property Condition | Existing |
| Standard Status | Active |
| Elementary School District | San Ramon Valley (925) 552-5500 |
Interior Features
| Interior Amenities | Den,Dining Area,Family Room,Formal Dining Room,Office,Breakfast Bar,Breakfast Nook,Pantry,Wet Bar |
|---|---|
| Flooring | Hardwood,Tile,Carpet |
| Total Fireplaces | 3 |
| Fireplace Features | Dining Room,Living Room,Master Bedroom |
| Air Conditioning Y/N | true |
| Heating Y/N | true |
| Window Features | Window Coverings |
| Fireplace Y/N | true |
| Laundry Features | Laundry Room,Cabinets,Sink |
| Total Bedrooms | 8 |
| Kitchen Features | Breakfast Bar,Breakfast Nook,Dishwasher,Double Oven,Gas Range/Cooktop,Kitchen Island,Microwave,Pantry,Refrigerator,Wet Bar |
| Total Baths | 10 |
| 1/2 Baths | 3 |
| Power Production Type | Photovoltaics |
Exterior Features
| Exterior Amenities | Back Yard,Front Yard,Side Yard,Storage,Other,Garden,Landscape Back,Private Entrance |
|---|---|
| Fencing | Fenced,Front Yard |
| Parking Features | Attached |
| Lot Features | Level,Premium Lot,Back Yard,Private,Security Gate |
| Water Source | Public |
| Lot Size Area | 1.444 |
| Foundation Details | Slab |
| Building Area Total | 7890 |
| Lot Size Acres | 1.44 |
Amenities
- Foreclosure
- Views
- Short Sale
- New Construction
- Adult 55+
- Lease To Own
- No HOA Fees
- Furnished
- Primary On Main
- Air Conditioning
- Seller Finance
- Green
- Fixer Upper
- Horse
- Golf
- Fireplace
- Deck
- Garage
- Basement
- Pool
Property vs Single Family Average in 94528
Price
Year Built
All measurements and all calculations of area are approximate. Information provided by Seller/Other sources, not verified by Broker. All interested persons should independently verify accuracy of information. Provided properties may or may not be listed by the office/agent presenting the information. Data maintained by MetroList© may not reflect all real estate activity in the market.
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MetroList CA data last updated: September 13, 2026 11:08 PM UTC 
Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at September
