Recently Listed Open House 5/16 1pm - 4pm
20048 Sapphire St
Castro Valley, CA, 94546 $ 899,000
Bedrooms3 Baths2.0 Sq 1,596 Monthly Estimate*
$ 5,535
for $899,000 with 3 bedrooms and 2 full baths. This 1,596 square foot home was built in 1949 on a lot size of 0.14.
Welcome to 20048 Sapphire St. in the heart of desirable Castro Valley! Offered for the first time ever, this charming single-story home is full of opportunity and ready for its next chapter. Featuring 3 bedrooms, 2 bathrooms, and a detached 2-car garage, this well-loved property offers great bones, a functional layout, and endless potential for buyers looking to add their own style and vision. Situated on a beautifully maintained lot with thoughtfully landscaped front and back yards, the home offers inviting curb appeal and outdoor spaces perfect for gardening, entertaining, or simply relaxing. Inside, you’ll find a cozy and comfortable floorplan with plenty of space to grow and the chance to create the home of your dreams. Whether you’re a first-time buyer, investor, or someone looking for a cosmetic fixer in an established neighborhood, this is a rare opportunity you won’t want to miss. Located in a highly sought-after Castro Valley neighborhood known for its strong community feel, convenient commuter access, and top-rated schools, this home is near Marshall Elementary, Creekside Middle School, and Castro Valley High School. Enjoy close proximity to parks, shopping, dining, BART, and major freeways while still enjoying the charm of a quiet residential street. Homes with this kind of potential, location, and pride of ownership rarely come available, bring your imagination and make 20048 Sapphire St. your own!
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Open House
5/16/2026 1:00 PM - 4:00 PM
5/17/2026 1:00 PM - 4:00 PM
20048 Sapphire St Castro Valley, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesGeneralLiving Area 1596
Sewer Public Sewer
Heating Forced Air Fireplace(s)
Cooling Central Air
Roof Composition Shingles
Appliances Dishwasher Gas Range Refrigerator Dryer Washer Gas Water Heater
Garage Spaces 2
Architectural Style See Remarks
Pool Features None
Construction Materials Stucco
Year Built 1949
Electric No Solar 220 Volts in Kitchen
Stories Count 1
Levels One Story
Property Subtype Detached
County Alameda
New Construction false
Property Type Residential
HOA false
Subdivision Name None
Garage Y/N true
Other Structures Shed(s)
Total Rooms 8
Full Baths 2
Status New
Directions Center > Gem > Sapphire.
City Castro Valley
MLS Area Listing
Lot Size Square Feet 6116
Property Condition Existing
Standard Status Active
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InteriorInterior Amenities Family Room
Flooring Carpet Other
Total Fireplaces 1
Fireplace Features Brick Living Room Wood Burning
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Laundry Features Dryer Laundry Closet Washer In Kitchen
Total Bedrooms 3
Kitchen Features 220 Volt Outlet Dishwasher Gas Range/Cooktop Refrigerator
Total Baths 2
1/2 Baths 0
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ExteriorExterior Amenities Back Yard Front Yard Landscape Back Landscape Front
Parking Features Detached Off Street Garage Door Opener
Lot Features Back Yard Front Yard Landscaped
Water Source Public
Lot Size Area 6116
Building Area Total 1596
Lot Size Acres 0.14
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* Excluded FeaturesList ByJanella AnguianoListing Agent
janella_sells@yahoo.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $5,535
- Monthly Property Taxes
- --
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Castro Valley, CA
Average List Price $1,212,905
Percent of Sale Price 35%
About Castro Valley, CA 63,507 Population
6% Since 2002
$ 88,568 Median Income
42.76 Median Age
32% Households with Children
Trends Information provided by ATTOM Data Solutions.
4827338 Elementary School
0 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 5/11/2026 | $899,000 | | Listed Price |