$822,001
$650K since sold in August 1990$18K since September
This home's estimate is 1.2% lower than the average sale price ($832K) of 6 comparable homes.
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Off market aug 1990 for $172K
$822,001
Est. refi paymentEst. refi $1,288/mo
3
bd•
1 ba
•
1,100
sq ft
21319 Rizzo Ave, Castro Valley, CA 94546
About this home
21319 Rizzo Ave is a 1,100 square foot house on a 5,000 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on August 17, 1990 for $172,500. Based on Redfin's Castro Valley data, we estimate the home's value is $822,001.
Single-familyProperty Type
1946Year Built
5,000 sq ftLot Size
$747Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
Earn from this home
Sell
$778,421
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$3,215/mo
Redfin rental estimate
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Market trends in 94546, CA
Last updated September 2026
Buyer's Market
Seller's Market
Seller's market
Sale-to-List Price
103.4%
0.6% MoM
Median sale price
$1.1M
$823 MoM
Avg. days on market
18d
3 days MoM
Recently sold homes
75
7 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
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