18522 Madison Ave, Castro Valley, California 94546, Castro Valley, 94546 - 4 bed, 3 bath
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Castro Valley, California 94546
This Renovated Multi-Generational Residence is a High-Potential Investment Opportunity, listed at $1,599,000—positioned well below the $1,821,850 Fair Market Value by 12%. This valuation gap provides $222,850 in Instant Equity. Boasting an Excellent Condition Rating, the home features a remodeled gourmet kitchen, sparkling pool, and a private 1-bedroom in-law unit for rental income. Located in the top-rated Castro Valley school district near Proctor Elementary, it balances luxury with significant financial upside. This is an ideal match for Owner-Occupants or Multi-Generational Families.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 18522 Madison Ave Subject | $1,599,000* List Price | 4 | 3 | 2,954 | $617 | - |
A 4905 Apricot Ct Sold | $1,610,000 | 4 | 3 | 2,375 | $678 | 0.3 mi |
B 18020 Center St Sold | $1,750,000 | 3 | 2 | 2,838 | $617 | 0.3 mi |
C 18411 Watters Dr Sold | $1,385,000 | 4 | 3 | 2,149 | $644 | 0.8 mi |
D 19511 Heyer Hts Sold | $1,330,000 | 4 | 3 | 2,043 | $651 | 0.6 mi |
E 19554 19554 Alana Rd Pending | $1,399,000 List Price | 4 | 3 | 2,100 | $666 | 0.7 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
Although built in 1952, the property has undergone an extensive and high-quality renovation within the last 5 years, meeting the criteria for excellent condition. The interior features a fully remodeled kitchen with new shaker cabinetry, stone countertops, a stylish geometric backsplash, and premium stainless steel appliances. The bathrooms are completely updated with contemporary marble-look tiling, modern vanities, and gold-tone fixtures. Throughout the home, there is new wide-plank flooring, updated recessed lighting, and fresh paint, leaving no visible deferred maintenance.
The property includes a fully updated 1-bedroom, 1-bathroom in-law unit with a private entrance, offering significant potential for rental income or a private guest suite.
The home features extensive recent updates, including a remodeled kitchen with stone countertops and stainless steel appliances, complemented by contemporary flooring and lighting throughout.
An expansive 11,538 sqft lot provides a rare outdoor oasis featuring a sparkling pool and generous patio areas, ideal for seamless indoor/outdoor entertaining.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 2954, other record living area = 1704. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 4, other record bedroom count = 3.
Built in 1952, the home may have aging underlying systems or structural elements typical of older properties that require more frequent maintenance than newer builds.
The combination of a large lot and a private swimming pool entails significant ongoing costs and labor for landscaping, water usage, and professional pool servicing.
Beautifully updated home featuring recent renovations throughout and a flexible layout ideal for modern living. The remodeled kitchen showcases new cabinetry, stone countertops, stylish backsplash, and stainless steel appliances, complemented by updated flooring, lighting, and contemporary finishes throughout the home. Enjoy seamless indoor/outdoor living with an expansive backyard offering a sparkling pool and generous patio areas - perfect for entertaining, relaxing, or enjoying warm summer days. The lower level includes a fully updated 1 bedroom, 1 bathroom in-law unit with a private entrance and its own patio space, providing excellent potential for rental income, extended family living, or a private guest suite.
No exterior & parking available.
Grades K-5 • 0.5 mi
Grades K-5 • 0.7 mi
Grades 6-8 • 0.7 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 4.0 | 3.0 | 73% |
| Baths | 3.0 | 2.0 | 68% |
| Square foot | 2,954 | 1,537.5 | 96% |
| Lot Size | 11,538 | 6,361.5 | 88% |
| Price | $1.60M | $1.08M | 90% |
| Price per sq ft | $541 | $692 | 13% |
| Built year | 1952 | 1954 | 45% |
| HOA | $0 | $0 | 50% |
| Days on market | 29 | 152 | 2% |
Mar 24, 2026
$1,599,000
Initial Listing
Jul 15, 2022
$1,180,000
Public Record