3635 Corte Rubiolo, Castro Valley, California 94546, Castro Valley, 94546 - 5 bed, 4 bath
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3635 Corte Rubiolo
Castro Valley, California 94546
ACTIVE
CONDITION: GOOD
5Beds
4Baths
3,272Sq Ft
8,193Lot Size
Property Price
LIST PRICE$1,800,000
EST. MARKET VALUE
$1,899,552
5% BelowMARKET VALUE
SUMMARY
This Stunning Custom-Built Home is a Strong Value Opportunity, listed at $1,800,000—positioned well below the $1,899,552 Fair Market Value by 5%. This valuation gap offers $99,552 in Instant Equity for the buyer. Featuring a 3,272 sq. ft. floor plan with a main-level bedroom and 3-car garage, the property maintains an Excellent Condition Rating (3). Located within walking distance of the highly-rated Castro Valley High School, this residence is the perfect fit for growing families or owner-occupants seeking a spacious, move-in ready sanctuary.
Estimated Market Value
$1,899,552+$99,552 Equity Potential
Based on Realkey algorithm analyzing recent comparable sales in Castro Valley.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 3635 Corte Rubiolo Subject | $1,800,000* List Price | 5 | 4 | 3,272 | $581 | - |
A 20289 20289 Meadowlark Dr Sold | $1,750,000 | 4 | 3 | 2,546 | $687 | 0.6 mi |
B 17939 Lamson Rd Sold | $1,438,000 | 4 | 3 | 2,113 | $681 | 0.9 mi |
C 19304 Barclay Rd Sold | $1,468,888 | 4 | 3 | 2,086 | $704 | 0.7 mi |
D 3699 Greenhills Avenue Sold | $1,485,000 | 4 | 3 | 2,248 | $661 | 0.3 mi |
E 18490 Carlwyn Dr Active | $1,388,000 List Price | 5 | 3 | 2,380 | $583 | 0.9 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Good
TeardownExcellent
Property is move-in ready.
Built in 2005, this 21-year-old custom home is exceptionally well-maintained by the original owner. The kitchen and bathrooms are functional and move-in ready with granite countertops and stainless steel appliances. While the oak cabinetry and tile flooring are slightly dated, the overall condition is excellent for its age, requiring no immediate repairs.
PROSSTRENGTHS & OPPORTUNITIES
- Versatile Multi-Generational Layout
The floor plan features a rare main-level bedroom and full bathroom, plus two additional ensuite bedrooms upstairs, offering exceptional flexibility for guests, extended family, or a private home office.
- Prime Educational Proximity
Ideally located within walking distance of the highly-rated Castro Valley High School and close to several top-tier elementary schools, providing significant long-term value for families.
- Modern Custom Construction
Built in 2005 and maintained by the original owner, this custom home offers contemporary building standards, a spacious 3,272 sq. ft. interior, and a desirable 3-car garage rarely found in older neighborhoods.
CONSRISKS & DEFICIENCIES
- Premium Market Positioning
At a list price of $1.8 million, the property is positioned at the higher end of the Castro Valley market, which may limit the pool of eligible buyers in a fluctuating interest rate environment.
- Lot-to-Structure Ratio
While the lot is over 8,000 sq. ft., the large footprint of the 3,272 sq. ft. home and 3-car garage may result in less usable backyard space compared to smaller homes on similar-sized lots.
About 3635 Corte Rubiolo
Built in 2005 and proudly owned by the original owner, this custom home offers 5 bedrooms, 4 bathrooms, and 3,272 sq. ft. of living space on an 8,193 sq. ft. lot. The spacious floor plan includes a main-level bedroom and full bath, a private primary suite, and an additional ensuite bedroom upstairs. Highlights include possible side access, a 3-car garage, and a prime location within walking distance of highly regarded Castro Valley High School. Open House Sunday (9/6) 12:00 - 3:00 PM.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 2005
- Lot Size
- 8,193 Sq. Ft.
Interior
- Total Bedrooms
- 5
- Total Bathrooms
- 4 (4 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Castro Valley Unified Schools
Castro Valley Elementary School
Grades K-5 • 0.3 mi
7/10
Chabot Elementary School
Grades K-5 • 0.7 mi
8/10
Proctor Elementary School
Grades K-5 • 1.0 mi
8/10
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 5.0 | 3.5 |
| Baths | 4.0 | 2.4 |
| Square foot | 3,272 | 1,833.615 |
| Lot Size | 8,193 | 6,979.256 |
| Price | $1.80M | $1.25M |
| Price per sq ft | $550 | $704 |
| Built year | 2005 | 1959 |
| HOA | $0 | $226 |
| Days on market | 20 | 37 |
Pricing History
Listed for Sale
Aug 20, 2026
$1,800,000
Initial Listing
Sold
Sep 26, 2003
$812,000
Public Record