22 22 Calle Del Casarillo, Diablo, California 94528, Diablo, 94528 - 6 bed, 6 bath

22 22 Calle Del Casarillo
Diablo, California 94528
Property Price
SUMMARY
Analysis of 22 22 Calle Del Casarillo, Diablo, California 94528 reveals a property with a current list price of $4,122,000, which is 7% above the estimated $3,841,244 Fair Market Value. Buyers should carefully evaluate the pricing and consider negotiation opportunities. The property maintains a Excellent Condition Rating (95/100), indicating excellent structural integrity and modern finishes throughout. This turnkey property requires minimal updates and is ready for immediate occupancy. Located in a high-demand neighborhood within the Diablo Unified School District, this asset is categorized as a low-risk, high-reward acquisition suitable for both Buy-and-Hold Investors and Owner-Occupants willing to undertake light renovation work.
Estimated Market Value
Comparable Sales Map
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 22 22 Calle Del Casarillo Subject | $4,122,000* List Price | 6 | 6 | 4,246 | $905 | - |
A 1826 Alameda Diablo Sold | $3,650,000 | 5 | 5 | 4,995 | $731 | 0.5 mi |
B 1953 La Cadena Sold | $4,900,000 | 6 | 6 | 5,306 | $923 | 0.2 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
OVERALL CONDITION SCORE
Property is new construction or fully renovated.
While originally built in 1972, the property has undergone an extensive, high-end renovation within the last 5 years that meets current luxury standards. The kitchen is fully modernized with sculptural quartzite countertops and professional-grade Miele appliances, while the primary suite features a spa-caliber wet room with heated floors. With rich hardwood flooring throughout, updated fixtures, and a fully equipped two-story guest residence, the home shows no signs of deferred maintenance and presents as a virtually new estate.
PROSSTRENGTHS & OPPORTUNITIES
- High Available Lot Utilization
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 20000, living area = 4246.
- Great Schools
Middle School: Los Cerros Middle School (9/10). High School: Monte Vista High School (10/10).
- Detached Guest Residence
The property features a rare two-story guest house complete with its own kitchen, laundry, and fireplace, providing exceptional versatility for multi-generational living or a private executive suite.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Living area discrepancy between mls listing and other public or private record. mls listing living area = 4246, other record living area = 3151. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 6, other record bedroom count = 4.
- Vintage Infrastructure
Originally built in 1972, the property may present challenges associated with older underlying systems and infrastructure despite the extensive high-end aesthetic renovations.
- Premium Market Positioning
At a price point exceeding $4.1 million, the property is positioned at the top of the local market, which may result in a more limited pool of qualified buyers and a longer sales cycle.
About 22 22 Calle Del Casarillo
In the storied enclave of Diablo, where privacy and prestige quietly define the landscape, this masterfully crafted estate presents a rare opportunity to own a home of substance and serenity. Classic Craftsman architecture gives way to soaring interiors filled with natural light and framed garden vistas. Rich wood floors run throughout, grounding the home in warmth and refinement. Dual fireplaces anchor the living and family rooms, while expansive decks blur the line between indoors and out. At the center, a statement kitchen pairs sculptural quartzite with professional-grade Miele appliances — equally suited for intimate dinners or elegant entertaining. The primary suite is designed as a private retreat: heated floors, a spa-caliber wet room bath, and an expansive custom wardrobe evoke the feeling of a five-star resort. A secondary ensuite, two additional bedrooms, and a dedicated pool bath ensure both flexibility and thoughtful design. Outdoors, the estate unfolds into a resort-like sanctuary — sparkling pool, tranquil fountain, firelit evenings beneath the stars, and layered gardens offering both beauty and seclusion. Completing the property is a rare two-story guest residence with its own kitchen, laundry, fireplace, and private yard — ideal for extended family, executive qua
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1972
- Lot Size
- 20,000 Sq. Ft.
Interior
- Total Bedrooms
- 6
- Total Bathrooms
- 6 (6 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Diablo Unified Schools
Green Valley Elementary School
Grades K-5 • 1.5 mi
Los Cerros Middle School
Grades 6-8 • 1.6 mi
Monte Vista High School
Grades 9-12 • 1.8 mi
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 6.0 | 4.5 | 60% |
| Baths | 6.0 | 5.0 | 60% |
| Square foot | 4,246 | 4,620.5 | 50% |
| Lot Size | 20,000 | 26,876.5 | 30% |
| Price | $4.12M | $3.89M | 50% |
| Price per sq ft | $971 | $912 | 70% |
| Built year | 1972 | 1974 | 50% |
| HOA | $0 | $0 | 50% |
| Days on market | 10 | 84 | 10% |
Pricing History
Listed for Sale
Feb 25, 2026
$4,122,000
Initial Listing
Sold
Jun 9, 2005
$1,492,500
Public Record
Sold
May 27, 1999
$540,000
Public Record
Sold
Mar 18, 1994
$409,000
Public Record



























































