About 21 Calle Del Casarillo
"THE RANCH" HISTORIC HOME AT DIABLO AS SHOWN IN " DIABLO'S TREASURES" BOOK OF HISTORIC HOMES! BUILT IN 1917! APPROX. 2839 SFT + 240 APPROX. SFT DETACHED OFFICE= 3,079 APPROX SQ FT OF LIVING SPACE! * ONE STORY GORGEOUSLY UPDATED W/ VAULTED BEAM CEILING OPEN FLOOR PLAN WRAPS AROUND POOL & BACKYARD. THE ULTIMATE IN CALIFORNIA LIVING! * BEAUTIFUL QUARTZ KITCHEN / CENTER ISLAND/BREAKFAST BAR, MIELE APPLIANCES: 6 BURNER GAS RANGE, BUILT IN REFRIGERATOR/FREEZER, DUAL OVENS, DISHWASHER!* SOAPSTONE COUNTERS BUTLER'S PANTRY W/BAR SINK /CONNOISSEUR WINE FRIG! * STUNNING GREAT RM W/ BEAUTIFUL LIGHTED SHELF WALL, BUILT IN T.V., QUARTZ GAS LOG FIREPLACE, FRENCH DOORS, GRAND CHANDELIER! * ALL BEDROOMS EN SUITE * OAK FLRS DESIGNER LIGHTING * CUSTOM TILE BATHS * 3 HVAC UNITS * LAUNDRY RM * DUAL PANE WOOD WINDOWS * SERENE PRIMARY SUITE FEATURES FRENCH DR TO POOL, DUAL CUSTOM CLOSETS, VAULTED CEILING BATH W/ DUAL QUARTZ COUNTER VANITY SINKS, FREE STANDING TUB, SHOWER, STORAGE AREA! * DETACHED OFFICE W/ HVAC OVERLOOKS YARD & POOL* EXPANSIVE SALT WATER POOL/POOL DECKING * AREA FOR ADU * OVERSIZED APPROX 624 SFT FINISHED GARAGE, ROOM FOR GOLF CART & STORAGE LOFT * APPROX 450 SFT STORAGE SHED * GOLF PUTTING GREEN * ARCH PLANS 4 EXPANSION TO 4,,600 SFT * RV PARKING
Features of 21 Calle Del Casarillo
| MLS® # | 41113795 |
|---|---|
| Price | $2,998,000 |
| Bedrooms | 4 |
| Bathrooms | 5.00 |
| Full Baths | 4 |
| Half Baths | 1 |
| Square Footage | 2,839 |
| Acres | 0.55 |
| Year Built | 1917 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Style | Ranch |
| Status | Active Under Contract |
Community Information
| Address | 21 Calle Del Casarillo |
|---|---|
| Subdivision | DIABLO |
| City | Diablo |
| County | Contra Costa |
| State | CA |
| Zip Code | 94528 |
Amenities
| Parking Spaces | 10 |
|---|---|
| Parking | Detached, RV/Boat Parking, Golf Cart Garage |
| # of Garages | 2 |
| Is Waterfront | No |
| Has Pool | Yes |
| Pool | Fiberglass, In Ground, No Heat |
Interior
| Interior Features | Office |
|---|---|
| Appliances | Dishwasher, Double Oven, Gas Range, Microwave, Dryer, Washer, Water Filter System, Gas Water Heater |
| Heating | Zoned |
| Cooling | Ceiling Fan(s), Central Air, Room Air |
| Fireplace | No |
| # of Fireplaces | 1 |
| Fireplaces | Gas |
| # of Stories | 1 |
| Stories | One Story |
Exterior
| Exterior Features | Back Yard, Front Yard, Side Yard, Sprinklers Automatic, Sprinklers Front |
|---|---|
| Lot Description | Court, Level, Premium Lot, Sprinklers In Rear |
| Windows | Double Pane Windows |
| Roof | Shingle |
| Construction | Wood Siding |
School Information
| District | San Ramon Valley (925) 552-5500 |
|---|
Additional Information
| Date Listed | October 4th, 2025 |
|---|---|
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Ruth Ann Davidson |
|---|---|
| Office | Re/Max Accord |