20378 Stanton Ave Castro Valley, CA $ 1,689,900
20378 Stanton Ave
$ 1,689,900
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20378 Stanton Ave

Castro Valley, CA, 94546
$ 1,689,900
Bedrooms3 Baths2.0 Sq 1,589

Monthly Estimate*

$ 10,543

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Single Family Home for sale in Castro Valley, CA

for $1,689,900 with 3 bedrooms and 2 full baths. This 1,589 square foot home was built in 1925 on a lot size of 0.463292.

This unique property features two separate remodeled homes (one with high end finishes) situated on one expansive lot, offering excellent flexibility for multi-generational living, rental income, or future development potential. Both homes enjoy a prime location within walking distance to Castro Valley Boulevard’s shopping, dining, and everyday conveniences. Commuters will appreciate the easy access to major freeways, making travel throughout the Bay Area simple and efficient. The large lot provides abundant outdoor space for gardening, entertaining, or expansion, while also presenting exciting possibilities for investors or builders seeking to maximize value. Whether you’re looking for a live-in one, rent-the-other setup, extended family housing, or a property with long-term upside, this Castro Valley gem checks all the boxes. Don’t miss your chance to own two homes on one lot in a convenient and desirable location with tremendous further development potential! Check with Alameda County to confirm that the lot supports up to 8 condos or townhomes or if you could do a 5 way lot split and build 3 additional detached separate homes. New central heat and A/C in main house. Both houses have new water heaters.

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Single Family Active

Price

$ 1,689,900

Bedrooms

3

Full Bath

2

Property Type

Single Family

Taxes

$ 0

Style

Cottage

Lot Size

0.463292

Year Built

1925

Town/City

Castro Valley

County/Region

Alameda

MLS | Web ID

41112148

Features
General
Living Area 1589
Sewer Public Sewer
Heating Forced Air Wall Furnace
Cooling None
Roof Composition Shingles
Appliances Electric Range Gas Range Range Free-Standing Range Refrigerator Gas Water Heater
Garage Spaces 0
Architectural Style Cottage
Pool Features None
Construction Materials Stucco Wood Siding
Year Built 1925
Electric No Solar 220 Volts in Kitchen
Stories Count 1
Levels One Story
Property Subtype Detached
Accessibility Other
County Alameda
New Construction No
Property Type Residential
HOA N
Energy Efficient None
Subdivision Name Castro Valley
Garage Y/N No
Total Rooms 8
Full Baths 2
Status Active
Directions CV Blvd. to Stanton Ave.
City Castro Valley
High School District CASTRO VALLEY UNIFIED SCHOOL DISTRICT
MLS Area Listing
Lot Size Square Feet 20181
Property Condition Existing
Standard Status Active
Elementary School District CASTRO VALLEY UNIFIED SCHOOL DISTRICT
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Interior
Interior Amenities No Additional Rooms Counter - Solid Surface Updated Kitchen
Flooring Other
Total Fireplaces 0
Fireplace Features Decorative
Air Conditioning Y/N No
Heating Y/N Yes
Window Features Double Pane Windows
Fireplace Y/N Yes
Laundry Features Other
Total Bedrooms 3
Kitchen Features 220 Volt Outlet Counter - Solid Surface Stone Counters Eat-in Kitchen Electric Range/Cooktop Gas Range/Cooktop Range/Oven Built-in Range/Oven Free Standing Refrigerator Updated Kitchen
Total Baths 2
1/2 Baths 0
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Exterior
Exterior Amenities Back Yard Front Yard
Fencing Fenced
Parking Features RV/Boat Parking Side Yard Access Parking Lot
Lot Features 2 Houses / 1 Lot Level Premium Lot
Water Source Public
Lot Size Area 20181
Foundation Details Slab
Building Area Total 1589
Lot Size Acres 0.46
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Internal Only
Street Number 1 20378
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* Excluded Features
List By
Bob Frey

Listing Agent

Re/Max Accord

Broker

bobfreyhomes@gmail.com

Email

Affordability Calculator

$10,543
Per Month
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0%
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Monthly Principal & Interest
$10,543
Monthly Property Taxes
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Monthly Home Insurance
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Default based on a 30-year fixed rate of 6.375% 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
4407684 Elementary School
4407682 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
11/11/2025$1,689,900 -5.59% Price Down
9/19/2025$1,789,900 Listed Price

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20378 Stanton Ave, Castro Valley, CA, 94546 is a Single Family Home for sale at $1,689,900 with 1,589 sqft and a lot size of 0.463292. 20378 Stanton Ave has 3 bedrooms, 2.0 baths, and was built in 1925. The property's zip code is 94546 which is in Castro Valley, CA