Alameda County  »  94546  »  Walnut Rd  »  18200 Walnut Rd

18200 Walnut Road, Castro Valley, CA 94546 - Property report

Also known as: 18200 Walnut Rd

Property image for 18200 Walnut Road, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1975

Acreage

2.84

Sale price

$690,000

General Information

Address
Primary address
18200 Walnut Rd
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84D-1165-9-10

Owner

Find out who owns 18200 Walnut Road, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/16/2003
Sale price
$690,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$11,647
Current property tax
$11,565
Tax per sq. ft.
$5
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
2,470
Year built
1975
Building material
Wood/wood and steel frames
Last altered
1982
Rooms
8
Elevator
Bedrooms
4
Bathrooms
20
Lot
Acreage
2.84
Zoning & use
Zoning
Single Family Residential (R1-BE-CSU-R)
Units
1

Area overview

Walk score
33 /100.  Car-Dependent
Transit score
23 /100.  Minimal Transit
Bike score
14 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 18200 Walnut Road, Castro Valley, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 18200 Walnut Road, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
10/16/2003 $690,000 XXXXXXXX, XXXXXXX XXXXX-XXXXXX, XX
06/01/1990 $347,000 XXXXX, XXXXX XXX XXXXXX XXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
07/28/2023 Grant Deed XXXXXXXX XXXXXXX XXXXXXXX XXXXXXX XX
07/13/2022 Deed of trust XXXXXXXX XXXXXXX XXXXXXXXX XXXXXX XXXXX
09/15/2020 Deed of trust XXXXXXXX XXXXXXX XXXX XXXX
11/20/2017 Deed of Trust XXXXXXXX XXXXXXX XX XXXXXXXXX XXXX XXXXXXX XXX
09/09/2013 Modification (Deed of Trust) XXXXXXXX XXXXXXX XXXXXXX XXXXXXX XXXXXXX & XXXX XXXXXXXXXXX
09/09/2013 Assignment (Deed of Trust) XXXXXXX XXXXXXX XXXXXXXX XXXX XXXXXXX XXXXXXX XXXXXXX & XXXX XXXXXXXXXXX
10/16/2003 Deed XXXXX-XXXXXX, XX XXXXXXXX, XXXXXXX
04/23/2002 Deed XXXX, XXXXX X & XXXXXXXX X XXXXXX XXXXX
12/28/1998 Deed XXXXX, XXXXX X & XXXXXXXX X XXXXX, XXXXX X & XXXXXXXX X
06/01/1990 Deed XXX XXXXXX XXXXX XXXXX, XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18200 Walnut Road, Castro Valley, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$11,647
Current property tax
$11,565
Tax per sq. ft.
$5
Recent tax assessments
Market value
$1,000,595
Land value
$300,178
Building value
$700,417

More about Alameda County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $980,978 1.164 $11,419 +0.69%
2024-2025 $961,748 1.1791 $11,340 -48.84%
2023-2024 $942,891 2.3508 $22,165 +101.36%
2022-2023 $924,406 1.1908 $11,008 +2.51%
2021-2022 $906,287 1.1848 $10,738 +2.29%
2020-2021 $897,000 1.1703 $10,498 -1.51%
2019-2020 $879,411 1.212 $10,658 +2.36%
2018-2019 $862,168 1.2077 $10,412 +2.65%
2017-2018 $845,263 1.2001 $10,144 +18.55%
2016-2017 $828,690 1.0326 $8,557 +1.32%
Permits

Permit information for 18200 Walnut Road, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status

*Most recent permit on record for this property.

Neighborhood

Castro Valley residential market stats

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda.

Median sale price

$1,013,750

-2.9% Y-o-Y

Median price/sq. ft.

$619

-9.8% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Castro Valley and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 18200 Walnut Road, Castro Valley, CA 94546 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.37
The Montessori Giving Tree NR Private K-6 7 0.48
Chabot Elementary School 8 Public K-5 470 0.60
Anchor Education, Inc. NR Private 3-12 18 0.68
Proctor Elementary School 8 Public K-5 584 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Anchor Education, Inc. School NR Private 3-12 0 0.69
Redwood Christian Schools NR Private K-12 706 0.86
Alma Preschool NR Public 52 0.89
Castro Valley Adult And Career Education NR Public 0 0.93
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.37
Anchor Education, Inc. NR Private 3-12 18 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Anchor Education, Inc. School NR Private 3-12 0 0.69
Redwood Christian Schools NR Private K-12 706 0.86
Alma Preschool NR Public 52 0.89
Castro Valley Adult And Career Education NR Public 0 0.93
Our Lady Of Grace School NR Private K-8 218 1.01
Creekside Middle School 8 Public 6-8 760 1.71
Canyon Middle School 6 Public 6-8 1,332 1.96
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.37
Redwood Continuation High School 3 Public 9-12 122 0.37
Roy A. Johnson High School NR Public 9-12 24 0.37
Anchor Education, Inc. NR Private 3-12 18 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Anchor Education, Inc. School NR Private 3-12 0 0.69
Castro Valley High School 9 Public 9-12 2,799 0.81
Redwood Christian Schools NR Private K-12 706 0.86
Alma Preschool NR Public 52 0.89
Castro Valley Adult And Career Education NR Public 0 0.93

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 18200 Walnut Road, Castro Valley, CA

4760 Sorani Way, Castro Valley 17890 Lamson Rd, Castro Valley 17914 Lamson Rd, Castro Valley 18814 Lamson Rd, Castro Valley 4749 Sorani Way, Castro Valley 4794 Sorani Way, Castro Valley 4755 Proctor Rd, Castro Valley 18656 Vineyard Rd, Castro Valley 4800 Sorani Way, Castro Valley 4611 Proctor Rd, Castro Valley 18321 Lamson Rd, Castro Valley 17898 Sorani CT, Castro Valley 17658 Walnut Rd, Castro Valley 4754 Sorani Way, Castro Valley 4728 Sorani Way, Castro Valley 17906 Lamson Rd, Castro Valley 4755 Sorani Way, Castro Valley 18858 Lamson Rd, Castro Valley 4722 Sorani Way, Castro Valley 17899 Lamson Rd, Castro Valley

Nearby ZIP codes for 18200 Walnut Road, Castro Valley, CA

94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94552, Alameda County, CA 94577, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94601, Alameda County, CA 94603, Alameda County, CA 94605, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA 94621, Alameda County, CA

Frequently asked questions

What is the year built for 18200 Walnut Road, Castro Valley, CA 94546?

The development at 18200 Walnut Road, Castro Valley, CA 94546 was built in 1975.

What is the total square footage of 18200 Walnut Road, Castro Valley, CA 94546?

18200 Walnut Road, Castro Valley, CA 94546 has a total of 2,470 square feet.

When was 18200 Walnut Road, Castro Valley, CA 94546 last sold and what was the sale price?

18200 Walnut Road, Castro Valley, CA 94546 was last sold on 10/16/2003 for $690,000.

What is the assessed value of 18200 Walnut Road, Castro Valley, CA 94546?

18200 Walnut Road, Castro Valley, CA 94546 is currently assessed at $1,000,595.

What are the property taxes for 18200 Walnut Road, Castro Valley, CA 94546?

The property taxes for 18200 Walnut Road, Castro Valley, CA 94546 total $11,646.

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