$1,727,047
$1.3M since sold in June 1989$2,000 since July
This home's estimate is 11.7% higher than the average sale price ($1.55M) of 6 comparable homes.
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Off Market Jun 1989 for $430K
$1,727,047
Est. refi paymentEst. refi $2,152/mo
4
bd•
3 ba
•
2,853
sq ft
18869 Walnut Rd, Castro Valley, CA 94546
About this home
18869 Walnut Rd is a 2,853 square foot house on a 0.31 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on June 09, 1989 for $430,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,727,047.
Single-familyProperty Type
1990Year Built
0.31 acresLot Size
$605Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
Earn from this home
Sell
$1,635,377
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$4,786/mo
Redfin rental estimate
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Market trends in 94546, CA
Last updated July 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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