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.
Sold for $1,580,000
$1,580,000
20378 Stanton Ave, Castro Valley, CA 94546
3beds
1,589sqft
Residential, Single Family Residence
Built in 1925
0.46 Acres Lot
$1,629,000 Zestimate®
$994/sqft
$3,781 Estimated rent
Home value
$1,629,000
$1.47M - $1.81M
$3,781/mo
Zestimate® history
Owner options
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$3,781/mo
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$3,781/mo
Rent Zestimate®
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$10,158/mo
Est. payment
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$10,158/mo
Est. payment
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List your homeWhat's special
Two separate remodeled homesExpansive lot
Zillow last checked:
Listing updated:
Listed by:
Bob Frey DRE #01324680 510-220-8459,
Re/max Accord,
Kailani Frey Breitinger DRE #02137730 510-566-5442,
Re/max Accord
Bought with:
Daniel Bo, DRE #01928841
Harvest Real Estate Group
Source: Bay East AOR,MLS#: 41112148
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Bathroom
- Features: Shower Over Tub, Updated Baths, Window
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
Heating
- Forced Air, Wall Furnace
Cooling
- None
Appliances
- Included: Electric Range, Gas Range, Range, Free-Standing Range, Refrigerator, Gas Water Heater
- Laundry: Other
Features
- Counter - Solid Surface, Updated Kitchen
- Flooring: Other
- Windows: Double Pane Windows
- Basement: Crawl Space
- Has fireplace: Yes
- Fireplace features: Decorative
Interior area
- Total structure area: 1,589
- Total interior livable area: 1,589 sqft
Property
Parking
- Total spaces: 24
- Parking features: RV/Boat Parking, Side Yard Access, Parking Lot
Accessibility
- Accessibility features: Other
Features
- Levels: One
- Stories: 1
- Pool features: None
- Fencing: Fenced
Lot
- Size: 0.46 Acres
- Features: 2 Houses / 1 Lot, Level, Premium Lot, Back Yard, Front Yard
Details
- Parcel number: 84A181141
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cottage
- Property subtype: Residential, Single Family Residence
Materials
- Stucco, Wood Siding
- Foundation: Slab
- Roof: Composition
Condition
- Existing
- New construction: No
- Year built: 1925
Utilities & green energy
- Electric: No Solar, 220 Volts in Kitchen
Green energy
- Energy efficient items: None
Community & neighborhood
Security
- Security features: Carbon Monoxide Detector(s), Double Strapped Water Heater
Location
- Region: Castro Valley
- Subdivision: Castro Valley
Other
Other facts
- Listing agreement: Excl Right
- Price range: $1.6M - $1.6M
- Listing terms: Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 2/13/2026 | Sold | $1,580,000-6.5%$994/sqft |
Source:  Bay East AOR #41112148 Report a problem | ||
| 12/22/2025 | Pending sale | $1,689,900$1,063/sqft |
Source: Bay East AOR #41112148 Report a problem | ||
| 11/11/2025 | Price change | $1,689,900-5.6%$1,063/sqft |
Source: Bay East AOR #41112148 Report a problem | ||
| 9/19/2025 | Listed for sale | $1,789,900+37.7%$1,126/sqft |
Source: Bay East AOR #41112148 Report a problem | ||
| 11/10/2021 | Sold | $1,300,000-10.3%$818/sqft |
Source: Public Record Report a problem | ||
| 11/1/2021 | Pending sale | $1,450,000$913/sqft |
Source:  SFAR #421591330 Report a problem | ||
| 9/3/2021 | Listed for sale | $1,450,000+123.1%$913/sqft |
Source: SFAR #421591330 Report a problem | ||
| 10/11/2019 | Sold | $650,000+1147.6%$409/sqft |
Source: Public Record Report a problem | ||
| 6/16/2009 | Sold | $52,100-89%$33/sqft |
Source: Public Record Report a problem | ||
| 9/17/2002 | Sold | $475,000+74%$299/sqft |
Source: Public Record Report a problem | ||
| 9/8/1999 | Sold | $273,000$172/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $214,441 +2% |
| 2024 | $3,782 -77.8% | $210,238 -84.1% |
| 2023 | $17,051 +2% | $1,326,000 +2% |
| 2022 | $16,720 +23.7% | $1,300,000 +28.7% |
| 2021 | $13,514 +0.2% | $1,010,360 +1% |
| 2020 | $13,482 +23.1% | $1,000,000 +24.4% |
| 2019 | $10,955 +5.8% | $803,928 +2% |
| 2018 | $10,356 | $788,172 +2% |
| 2017 | $10,356 +5.1% | $772,722 +2% |
| 2016 | $9,857 +7.6% | $757,574 +1.5% |
| 2015 | $9,159 | $746,200 +2% |
| 2014 | $9,159 | $731,584 +0.5% |
| 2013 | -- | $728,280 +2% |
| 2012 | -- | $714,000 +2% |
| 2011 | -- | $700,000 -6.4% |
| 2010 | -- | $748,222 -21% |
| 2009 | -- | $946,560 +2% |
| 2008 | -- | $928,000 -27.2% |
| 2007 | -- | $1,275,000 +93% |
| 2006 | -- | $660,493 +33.8% |
| 2005 | -- | $493,543 +2% |
| 2004 | -- | $483,868 +1.9% |
| 2003 | -- | $475,000 +67.2% |
| 2002 | -- | $284,029 +2% |
| 2001 | $3,292 | $278,460 |
Find assessor info on the county website
Neighborhood: 94546
Nearby schools
GreatSchools rating
- 6/10Stanton Elementary SchoolGrades: K-5Distance: 0.4 mi
- 10/10Creekside Middle SchoolGrades: 6-8Distance: 1.7 mi
- 9/10Castro Valley High SchoolGrades: 9-12Distance: 1 mi
Schools provided by the listing agent
- District: CASTRO VALLEY UNIFIED SCHOOL DISTRICT
Source: Bay East AOR. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$1,629,000
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,629,000
- California
- Alameda County
- Castro Valley
- 94546
- 20378 Stanton Ave
Nearby cities
Nearby zip codes
Other Castro Valley Topics
