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20378 Stanton AveCastro Valley, CA 94546

For Sale

$1,789,900

Smart Buyer Rebate $17,899

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.

Listed by Bob Frey

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License #01324680

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RE/MAX Accord

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bobfreyhomes@gmail.com

Listed by Kailani Frey Breitinger

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License #02137730

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RE/MAX Accord

Last updated October 10, 2025

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Source: bridgeMLS #41112148

Listing Facts

  • TypeSingle-family
  • NeighborhoodWest Castro Valley
  • Bedrooms3
  • Bathrooms2
  • Days on Prevu34
  • Size1,589 sqft
  • Price per sqft$1,126

Amenities

  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

09/19/2025
Listed by RE/MAX Accord
$1,789,900

Property Details for 20378 Stanton Ave

Exterior

Construction

  • Roof: Shingle
  • Stories: 1
  • Window Features: Double Pane Windows
  • Year Built: 1925
  • Architectural Style: Cottage
  • Construction Materials: Stucco, Wood Siding
  • Exterior Features: Back Yard, Front Yard

Features

  • Fencing: Fenced

Measurements

  • Building Area Total: 1,589
  • Lot Features: 2 Houses / 1 Lot, Level, Premium Lot
  • Lot Size Acres: 0.46
  • Lot Size Area: 0
  • Lot Size Square Feet: 20,181
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 84A181141

Interior

Features

  • Appliances: Electric Range, Gas Range, Range, Free-Standing Range, Refrigerator, Gas Water Heater
  • Fireplace Features: Decorative
  • Fireplace: Yes
  • Flooring: Other
  • Interior Features: No Additional Rooms, Counter - Solid Surface, Updated Kitchen

Measurements

  • Living Area: 1,589
  • Living Area Units: Square Feet

Rooms

  • Basement: Crawl Space
  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 3
  • Rooms Total: 8

Other

Features

  • Accessibility Features: Other

Location

  • Subdivision Name: CASTRO VALLEY

Parking

Parking

  • Parking Features: RV/Boat Parking, Side Yard Access, Parking Lot

Schools

High School

  • High School District: CASTRO VALLEY UNIFIED SCHOOL DISTRICT

Utilities

Equipment

  • Electric: No Solar, 220 Volts In Kitchen
  • Heating: Forced Air, Wall Furnace
  • Has Heating: Yes
  • Laundry Features: Other

Based on information from bridgeMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.