22 Calle Del Casarillo, Diablo, CA 94528

• 6 beds |
• 6 baths |
• 4,246 sqft

Property Description

Tucked at the end of a private cul-de-sac in Diablo, this exceptionally remodeled estate offers a rare opportunity to own TWO FULLY INDEPENDENT RESIDENCES on apx. 1/2 acre of park-like grounds.Thoughtfully designed the property features a refined single story main residence, showcasing vaulted ceilings, European white oak floors and a seamless indoor-outdoor flow. Custom detailing and amenities, including smart home technology provide comfort and convenience throughout! Expansive living spaces open to an elevated entertaining deck overlooking the resort-style pool and lush landscaping. The fully independent guest residence lives like a true second home - complete with its own private yard, an upstairs primary suite and an additional bedroom and bath on the main level. Ideal for multi-generational living, extended guests, or private work-from-home retreat. With versatility rarely found in today's market. The grounds are a stand out feature - an artful composition of mature landscaping, curated garden rooms and intimate outdoor spaces for both relation and entertaining. Every element has been created to enhance the experience of indoor-outdoor living. This is more than a home, it is a private dual residence estate offering a lifestyle of comfort, flexibility. and timeless appeal.

Listing Status:

Active

Date Added:

February 25, 2026

Data Last Updated:

April 30, 2026 at 6:06PM

Listing Office:

Notable Real Estate : 925-830-8888

Listing Agent:

Raelene Sprague : 925-819-2109

MLS ID:

41125142

Interior

• General: In-Law FloorplanBreakfast BarCounter - Solid SurfaceUpdated KitchenSmart Home
• Appliances: DishwasherDouble OvenGas RangeMicrowaveOvenRefrigeratorDryerWasher
• Laundry: DryerGas Dryer HookupLaundry RoomWasherWasher/Dryer Stacked Incl
• Basement: Crawl Space
• Flooring: HardwoodTile
• A/C: Central AirWhole House Fan
• Heating: Forced AirNatural Gas
• Fireplace: Family RoomLiving RoomOtherSee RemarksFireplaceFireplaces: 2
• Eco/Green Feature: Ceiling Insulation

Exterior

• General: Back YardDog RunFront YardGarden/PlaySide YardSprinklers AutomaticSprinklers FrontSprinklers SideStorageGardenLandscape BackLandscape FrontYard Space
• Style: Craftsman
• Pool: Gas HeatGuniteIn GroundPool SweepSee RemarksOutdoor Pool
• Parking: DetachedSpace Per Unit - 2Garage Door Opener

Construction

• Roofing: Shingle
• Windows: Skylight(s)
• General: Wood ShinglesWood Siding1Raised

Location

• School District: San Ramon Valley (925) 552-5500
• County: Contra Costa

Lot

• Zoning: 1952800355
• Fencing: FencedFull

Utilities

• Utilities: No Solar220 Volts in KitchenElectricity on Property