Sharp Duplex, quiet downtown location, large lot approximately 11,084 square feet. Tremendous Potential Upside. Per Alameda County Planner this lot can potentially have 5 Accessory Dwelling Units added. Plus commercial retail building next door is also for sale. One unit is two bedrooms 1 bath. The second unit is 1 bedroom 1bath. Approximately 1,590 square feet of living area. Property is nicely landscaped. It has a detached two car garage and storage improvements. It is walking distance to elementary school and high school, many shops, restaurants, BART and Public Transportation. Perfect for Owner Occupied Buyer and/or Investor. Act today on this rare property!
For sale
$1,409,800
20843 Chester St, Castro Valley, CA 94546
3beds
2baths
1,590sqft
Multi Family, Duplex
Built in 1949
-- sqft lot
$-- Zestimate®
$887/sqft
$-- HOA
What's special
Property is nicely landscapedDetached two car garageStorage improvements
- 22 days |
- 694 |
- 29 |
Zillow last checked:
Listing updated:
Listed by:
David Wilhite DRE #00759835 510-329-8984,
Vetted Real Estate
Source: Bay East AOR,MLS#: 41142494
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
Heating
- Natural Gas
Cooling
- Ceiling Fan(s)
Appliances
- Included: Dishwasher, Disposal, Gas Water Heater
- Laundry: Laundry Room, Washer/Dryer Hookups, Inside
Features
- Tub w/Shower Over
- Flooring: Laminate, Carpet
- Windows: Window Coverings
- Basement: None
Interior area
- Total structure area: 1,590
- Total interior livable area: 1,590 sqft
Video & virtual tour
Property
Parking
- Total spaces: 6
- Parking features: Detached, Off Street, Garage Faces Front, On Street
- Has garage: Yes
- Has uncovered spaces: Yes
Features
- Patio & porch: Porch
- Exterior features: Garden/Play, Storage
- Fencing: Partial Fence,Fenced,Partial,Wood
- Has view: Yes
- View description: Downtown
Lot
- Size: 0.25 Acres
- Features: Cul-De-Sac, Level, Premium Lot, Front Yard, Landscaped, Paved, Yard Space
Details
- Parcel number: 84A3762
- Special conditions: Standard
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family, Duplex
- Attached to another structure: Yes
Materials
- Stucco
- Roof: Composition
Condition
- Year built: 1949
Utilities & green energy
- Electric: No Solar
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Security: Double Strapped Water Heater, Smoke Detector(s)
- Subdivision: Downtown
HOA
- Has HOA: No
Location
- Region: Castro Valley
Financial & listing details
- Price per square foot: $887/sqft
- Tax assessed value: $243,742
- Price range: $1.4M - $1.4M
- Date on market: 7/25/2026
- Listing agreement: Excl Right
- Listing terms: Cash,1031 Exchange,New Loan
- Lease term: Month To Month,Written Agreement
- Total actual rent: 5150
- Tenant pays: Electricity, Gas
Estimated market value
Not available
Estimated sales range
Not available
$2,855/mo
Price history
| Date | Event | Price |
|---|---|---|
| 7/25/2026 | Listed for sale | $1,409,800$887/sqft |
Source:  Bay East AOR #41142494 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $243,742 +2% |
| 2024 | $3,652 +2.1% | $238,964 +2% |
| 2023 | $3,576 +2.4% | $234,278 +2% |
| 2022 | $3,494 +2.8% | $229,685 +2% |
| 2021 | $3,400 +2.4% | $225,181 +1% |
| 2020 | $3,320 -1.5% | $222,873 +2% |
| 2019 | $3,372 +5.8% | $218,504 +2% |
| 2018 | $3,188 | $214,219 +2% |
| 2017 | $3,188 +5.1% | $210,019 +2% |
| 2016 | $3,034 +9% | $205,903 +1.5% |
| 2015 | $2,783 | $202,810 +2% |
| 2014 | $2,783 | $198,838 +0.5% |
| 2013 | -- | $197,940 +2% |
| 2012 | -- | $194,059 +2% |
| 2011 | -- | $190,256 +0.8% |
| 2010 | -- | $188,835 -0.2% |
| 2009 | -- | $189,284 +2% |
| 2008 | -- | $185,573 +2% |
| 2007 | -- | $181,934 +2% |
| 2006 | -- | $178,368 +2% |
| 2005 | -- | $174,871 +2% |
| 2004 | -- | $171,444 +1.9% |
| 2003 | -- | $168,303 +2% |
| 2002 | -- | $165,002 +2% |
| 2001 | $1,946 | $161,767 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 94546
Nearby schools
GreatSchools rating
- 6/10Castro Valley Elementary SchoolGrades: K-5Distance: 0.3 mi
- 10/10Creekside Middle SchoolGrades: 6-8Distance: 1.2 mi
- 9/10Castro Valley High SchoolGrades: 9-12Distance: 0.7 mi
Schools provided by the listing agent
- District: Castro Valley (510) 537-3000
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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A local agent can set up tours, give advice and negotiate with sellers.
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