20048 Sapphire St Castro Valley, CA $ 899,000
20048 Sapphire St
$ 899,000
Recently Listed
Open House 5/16 1pm - 4pm
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20048 Sapphire St

Castro Valley, CA, 94546
$ 899,000
Bedrooms3 Baths2.0 Sq 1,596

Monthly Estimate*

$ 5,535

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Single Family Home for sale in Castro Valley, CA

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

Single Family Active

Price

$ 899,000

Bedrooms

3

Full Bath

2

Property Type

Single Family

Taxes

$ 0

Style

See Remarks

Lot Size

0.14

Year Built

1949

Town/City

Castro Valley

County/Region

Alameda

MLS | Web ID

41134221

Features
General
Living 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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Interior
Interior 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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Exterior
Exterior 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 Features
List By
Janella Anguiano

Listing Agent

Century 21 Masters

Broker

janella_sells@yahoo.com

Email

Affordability Calculator

$5,535
Per Month
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Monthly Principal & Interest
$5,535
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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.
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Nearby
4827338 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
5/11/2026$899,000 Listed Price

Map


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20048 Sapphire St, Castro Valley, CA, 94546 is a Single Family Home for sale at $899,000 with 1,596 sqft and a lot size of 0.14. 20048 Sapphire St has 3 bedrooms, 2.0 baths, and was built in 1949. The property's zip code is 94546 which is in Castro Valley, CA