$899,000

beds

baths

1,596

square ft

20048 Sapphire St

Castro Valley, California 94546

Pending / MLS #41134221 / Single Family / Castro Valley

Listing information updated 5/19/2026 at 6:10am

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!

Full Features

Architecture Style:

See Remarks

Exterior Type:

Stucco

Beds Above Grade:

Cooling System:

Central Air

Heating System:

Forced Air, Fireplace(s)

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Age:

77 Years

Roof Type:

Composition Shingles

Parking Type:

Detached,Off Street,Garage Door Opener

Parking Spaces:

Garage:

Room Count:

Square Feet:

1,596

Lot Size:

6116 Square Feet

External Features:

Back Yard, Front Yard, Landscape Back, Landscape Front

Taxes & Assessments

Tax Amount:

N/A

Tax Year:

N/A

Location

Zip Code:

94546

City:

Castro Valley

County:

Alameda

Schools

Elementary School:

N/A

Middle School:

N/A

High School:

N/A

Architecture Style:

See Remarks

Exterior Type:

Stucco

Beds Above Grade:

Cooling System:

Central Air

Heating System:

Forced Air, Fireplace(s)

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Age:

77 Years

Roof Type:

Composition Shingles

Parking Type:

Detached,Off Street,Garage Door Opener

Parking Spaces:

Garage:

Room Count:

Square Feet:

1,596

Lot Size:

6116 Square Feet

External Features:

Back Yard, Front Yard, Landscape Back, Landscape Front

Tax Amount:

N/A

Tax Year:

N/A

Zip Code:

94546

City:

Castro Valley

County:

Alameda

Elementary School:

N/A

Middle School:

N/A

High School:

N/A

Listing Agent: Janella Anguiano

Listing Office: Century 21 Masters

Disclaimer: Bay East 2026. CCAR 2026. bridgeMLS 2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.