20048 Sapphire St

$899,000 1,596 SQ FT
$563 SQ/FT

20048 Sapphire St

@ Gem - None, Castro Valley

Map direct
  • 3 Bed
  • 2 Bath
  • 2 Park
  • 1,596 sqft
  • Castro Valley
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Message Theresa Arrona
  • Wed May 13, 10:00 am - 1:00 pm

    OPEN OPEN OPEN!! Come see it!

  • Sat May 16, 1:00 pm - 4:00 pm

    Come see this cutie for yourself! It is bursting with potential!

  • Sun May 17, 1:00 pm - 4:00 pm

    Come see this cutie for yourself! It is bursting with potential!

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!

Current Status
New
Original Price
$899,000
List Price
$899,000
On Market Date
May 11, 2026
Property Type
Detached
D/N/S
None
Zip Code
94546
MLS ID
41134221
APN
84C106480
Year Built
1949
Stories in Building
1
Possession
Close Of Escrow
Data Source
MAXEBRDI
Origin MLS System
BAY EAST
Bed
3
Bath
2
Parking
2
Detached, Off Street, Garage Door Opener
SQ FT
1,596
SQ FT Source
Other
Lot SQ FT
6,116.0
Lot Acres
0.14 Acres
Pool Info
None
Kitchen
Dishwasher, Gas Range, Refrigerator, Dryer, Washer, Gas Water Heater, 220 Volt Outlet, Gas Range/Cooktop
Cooling
Central Air
Disclosures
Nat Hazard Disclosure, Shopping Cntr Nearby, Disclosure Package Avail
Entry Level
Exterior Details
Back Yard, Front Yard, Landscape Back, Landscape Front
Flooring
Carpet, Other
Foundation
Fire Place
Brick, Living Room, Wood Burning
Heating
Forced Air, Fireplace(s)
Laundry
Dryer, Laundry Closet, Washer, In Kitchen
Main Level
3 Bedrooms, 2 Baths
Possession
Close Of Escrow
Architectural Style
See Remarks
Construction Status
Existing
Additional Miscellaneous Features
Back Yard, Front Yard, Landscape Back, Landscape Front
Location
Back Yard, Front Yard, Landscaped
Roof
Composition Shingles
Water and Sewer
Public
Fee
Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.

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