Off market jun 2002 for $405K
$991,723
Est. refi paymentEst. refi $2,768/mo
3
bd
•
1 ba
•
1,066
sq ft

18902 Walnut Rd, Castro Valley, CA 94546

map-entry

About this home

Single-familyProperty Type
1950Year Built
8,100 sq ftLot Size
$930Est. Price/Sq.Ft.
2 car garageParking
Listed by Kate Hardwig •DRE #00666282 • Coldwell Banker Realty
Bought with Alexander Shponko •DRE #00919261 • REALTY EXECUTIVES
Redfin checked: a few seconds ago
•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #11140412

Redfin Estimate

$991,723
$586K since sold in June 2002$8,000 since September

This home's estimate is 3.8% higher than the average sale price ($956K) of 6 comparable homes.

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Earn from this home

Sell
$845,352
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$2,915/mo
Redfin rental estimate

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Market trends in 94546, CA

Sale history for 18902 Walnut Rd

Tax history for 18902 Walnut Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
2
Baths
1
Stories
1
Lot width
—
Lot depth
—
Lot size
8,100 Sq. Ft.
Year renovated
1950
Sq. Ft.
1,066
Year built
1950
Style
Single Family Residential
County
Alameda County
APN
084D116802200
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 17, 2026.

Property details

Around this home

Schools

Chabot Elementary School

Public K-5 • Assigned • 0.3mi

9/10
Creekside Middle School

Public 6-8 • Assigned • 1.8mi

10/10
Castro Valley High School

Public 9-12 • Assigned • 0.8mi

9/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.46% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 88° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Castro Valley, CA • 94546
Average low and high temperatures (°F)
63
43
64
46
71
49
69
49
73
53
74
54
75
57
79
57
79
60
77
54
65
48
61
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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.

11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$943,000 – $1.14M

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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2002. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.