Home | Contra Costa County | Diablo | 94528 | 1720 Alameda Diablo
MLS: CC41148397 | Status: Active | Price: $6,995,000
Beds/Baths: 7 / 6 /3
Property Type: Residential
| Beds | Baths | Sq Ft | Acres Lot | Yr Built |
|---|---|---|---|---|
| 7 | 6 /3 | 8,190 | 1.44 | 1941 |
| Date | Time | Hosted By |
|---|---|---|
| Saturday, September 19 | 1:30 pm - 4:00 pm | Margaret Combs |
| Sunday, September 20 | 1:30 pm - 4:00 pm | Margaret Combs |
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 closets. Beyond the interiors, the estate delivers a true private resort experience with a pool, spa, outdoor fireplace seating, manicured grounds, new sod, substantial storage structures and a charming children’s playhouse. A four-car garage caters beautifully to automotive enthusiasts. Owned solar serves
| Field | Value |
|---|---|
| MLS # | CC41148397 |
| MLS Source | Contra Costa Association of Realtors |
| Days on Site | 1 |
| Feature | Details |
|---|---|
| Bathrooms | Primary - Shower(s) over Tub(s), Primary - Solid Surface, Primary - Tile, Primary - Tub, Primary - Updated Bath(s), Other, Tile |
| Kitchen | Breakfast Bar, Breakfast Nook, Countertop - Stone, Eat In Kitchen, Island, Kitchen/Family Room Combo, Other, Pantry, Updated |
| Appliances | Dishwasher, Microwave, Other, Oven - Built-In, Oven - Double, Oven - Self Cleaning, Oven Range - Built-In, Oven Range - Gas, Refrigerator, Dryer, Washer |
| Dining Room | Dining Area, Formal Dining Room |
| Family Room | Separate Family Room |
| Fireplace | Gas Burning, Gas Starter, Living Room, Primary Bedroom, Other |
| Flooring | Carpet - Wall to Wall, Hardwood, Tile |
| Laundry | 220 Volt Outlet, In Laundry Room |
| Cooling | Central -1 Zone, Whole House Fan |
| Heating | Gas, Heating - 2+ Zones |
| Feature | Details |
|---|---|
| Roof | Composition |
| Pool | Heated - Gas, Heated - Solar, In Ground |
| Style | Traditional |
| Feature | Details |
|---|---|
| Garage/Parking | Attached Garage, Garage, Gate/Door Opener, Garage: 4 Car(s) |
Margaret Combs
The Agency
License #: 01361329
Phone: (925) 876-6935
| Address | Price | Beds | Baths | Sq Ft | Status |
|---|---|---|---|---|---|
| 1575 Avenida Nueva | $6,498,000 | 5 | 5/1 | 6,141 | PendingDoNotShow |
| 1963 La Cadena | $7,295,000 | 5 | 6/1 | 5,881 | Active |
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This listing information is up-to-date as of September 17, 2026. For the most current information, please contact Margaret Combs, (925) 876-6935.