4429 James Ave, Castro Valley, California 94546, Castro Valley, 94546 - 5 bed, 5 bath
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Castro Valley, California 94546
This Custom Multigenerational Estate is a High-Potential Investment Opportunity, listed at $1,698,000—positioned well below the $1,890,524 Fair Market Value by 10%. This valuation gap provides $192,524 in Instant Equity. Boasting a Good Condition Rating from a comprehensive 2014 remodel, the home features two primary suites, acacia floors, and a saltwater pool. The massive 13,211 sqft lot offers rare ADU potential in a prime location near top-rated schools like Castro Valley High. This is an ideal acquisition for Owner-Occupants or Value-Add Investors.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 4429 James Ave Subject | $1,698,000* List Price | 5 | 5 | 3,144 | $601 | - |
A 4905 Apricot Ct Sold | $1,610,000 | 4 | 3 | 2,375 | $678 | 0.4 mi |
B 18020 Center St Sold | $1,750,000 | 3 | 2 | 2,838 | $617 | 0.9 mi |
C 18153 18153 Plymouth Dr Sold | $1,362,000 | 3 | 3 | 2,391 | $570 | 0.8 mi |
* Subject property listed price vs sold prices of comps.
Property is move-in ready.
The property underwent an extensive remodel in 2014 (10 years ago), which includes updated plumbing, electrical, dual HVAC systems, and tankless water heaters. While the kitchen and finishes are high-quality and move-in ready, the renovation age falls within the 5-15 year 'Good' category rather than the 'Excellent' <5 year threshold.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 13211, living area = 3144.
The versatile 5-bedroom, 5-bathroom floor plan includes two primary suites—one on each level—making it an ideal setup for extended families or long-term guests.
The massive 13,211 sqft lot features a park-like setting and a saltwater pool, offering rare outdoor space and clear potential for an Accessory Dwelling Unit (ADU).
Despite the significant 2014 renovation, the 1951 original construction may still present some architectural limitations or legacy elements typical of older homes.
At a list price of $1.698M, the property is positioned at the higher end of the Castro Valley market, which may limit the pool of eligible buyers.
Incredible custom home set on a huge lot, offering exceptional space, versatility, and endless possibilities, including potential for an ADU. The expansive front yard is a true park-like setting, featuring beautiful mature trees, lush landscaping, and a welcoming front deck. Step inside to find stunning acacia wood floors that flow throughout the home, creating warmth and elegance. The formal living and dining room overlook the backyard, providing a picturesque setting for gatherings and everyday living. The updated kitchen features beautiful countertops, stainless steel appliances, and a cozy eat-in area, perfect for entertaining and daily enjoyment. The spacious family room offers plenty of room to relax and spend time with family and friends. Designed with flexibility in mind, this ideal floor plan is perfect for multigenerational living, featuring two primary suites: one on the first floor and another on the second floor. The first floor includes three bedrooms and two and a half bathrooms. The second level offers a primary suite with balcony, large walk-in closet and gorgeous bathroom. Additional upstairs bedroom has its own private bathroom. Step outside to enjoy the expansive grounds that truly set this property apart. The backyard is a tropical oasis, complete with a sparkling saltwater swimming pool with solar, perfect for relaxing or hosting gatherings. The large lot provides incredible potential, including space for a possible ADU, gardens, or additional outdoor living areas. Extensively remodeled in 2014, this home features updated plumbing, electrical, and modern finishes throughout. Additional upgrades include a dual HVAC system, two tankless water heaters, and an insulated/sheetrock-finished garage. This is the perfect property for entertaining and enjoying quality time with family and friends while offering comfort, flexibility, and future potential.
No exterior & parking available.
Grades K-5 • 0.6 mi
Grades K-5 • 0.6 mi
Grades 6-8 • 0.7 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 5.0 | 3.0 | 93% |
| Baths | 5.0 | 2.0 | 98% |
| Square foot | 3,144 | 1,537.5 | 96% |
| Lot Size | 13,211 | 6,361.5 | 92% |
| Price | $1.70M | $1.08M | 91% |
| Price per sq ft | $540 | $692 | 13% |
| Built year | 1951 | 1954 | 40% |
| HOA | $0 | $0 | 50% |
| Days on market | 3 | 152 | 1% |
Apr 19, 2026
$1,698,000
Initial Listing
Sep 19, 2002
$640,000
Public Record