$844,167
$277K since sold in October 2017$9,000 since August
This home's estimate is 5.1% higher than the average sale price ($803K) of 6 comparable homes.
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OFF MARKET
Off Market Oct 2017 for $567K
$844,167
Est. refi paymentEst. refi $3,480/mo
2
bd•
1 ba
•
1,050
sq ft
21457 Rizzo Ave, Castro Valley, CA 94546
About this home
Single-familyProperty Type
1942Year Built
6,840 sq ftLot Size
$804Est. Price/Sq.Ft.
3 car garageParking
Listed by Gay Harris •DRE #01193347 • BSR Realty Inc
Bought with Gay Harris •DRE #01193347 • BSR Realty Inc
Redfin checked: 2 minutes ago
•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40794860
Redfin Estimate
Earn from this home
Sell
$430,439
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$3,060/mo
Redfin rental estimate
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Market trends in 94546, CA
Last updated August 2026
Buyer's Market
Seller's Market
Seller's market
Sale-to-List Price
105.6%
+0.7% MoM
Median sale price
$1.1M
$45K MoM
Avg. days on market
13d
1 days MoM
Recently sold homes
100
5 MoM
New listings for sale
Provided by Redfin
Property details
Around this home
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Sun exposure
In this area, properties receive around 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.
JuneDecember
Provided by Shadowmap
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2017. This data may not match . Learn more.
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