$1,165,253
$895K since sold in July 1991$11K since August
This home's estimate is 7.5% lower than the average sale price ($1.26M) of 6 comparable homes.
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Off Market Jul 1991 for $270K
$1,165,253
Est. refi paymentEst. refi $1,421/mo
3
bd•
2 ba
•
1,220
sq ft
18121 Walnut Rd, Castro Valley, CA 94546
About this home
18121 Walnut Rd is a 1,220 square foot house on a 10,650 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on July 31, 1991 for $270,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,165,253.
Single-familyProperty Type
1954Year Built
10,650 sq ftLot Size
$955Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
Earn from this home
Sell
$1,103,077
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$3,568/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
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