Alameda County  »  94546  »  Walnut Rd  »  18880 Walnut Rd

18880 Walnut Road, Castro Valley, CA 94546 - Property report

Also known as: 18880 Walnut Rd

Property image for 18880 Walnut Road, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1948

Acreage

0.68

Sale price

$1,200,000

General Information

Address
Primary address
18880 Walnut Rd
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84D-1168-24-4

Owner

Find out who owns 18880 Walnut Road, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
09/06/2024
Sale price
$1,200,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$13,968
Tax per sq. ft.
$11
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,250
Stories
1
Year built
1948
Building material
Wood/wood and steel frames
Rooms
5
Elevator
Bedrooms
2
Bathrooms
1
Lot
Acreage
0.68
Zoning & use
Zoning
Single Family Residential (R1-BE-CSU-R)
Units
1

Area overview

Walk score
51 /100.  Somewhat Walkable
Transit score
22 /100.  Minimal Transit
Bike score
27 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 18880 Walnut Road, Castro Valley, CA

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

Sales history for 18880 Walnut Road, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
09/06/2024 $1,200,000 XXXXXXX XXXXXXX XX; XXXXXXX XXXXX XX; XXXXXXX XXXXXX XXXXX; XXXXXXX XXXXXXX XXXXXX XXXXX; XXXXXXX XXXXXX XXXXX XXXXXXXXX XXXXXXXX XX; XXXXXXXXX XXXXXXXX XXXXX
08/15/2002 $400,000 XXXXXXXXX, XXXXXX X XXXXX XXXX XXXXX, XXXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
09/19/2024 Reconveyance XXXXXXXXX XXXXXXXX X
09/19/2024 Substitution of trustee XXXXXXXXX XXXXXXXX X XXX XXXXXXXX XXXXXXXX XXXXX XXXXXXXXX XX
09/06/2024 Deed of trust XXXXXXX XXXXXXX XX XXX XXXX XXXXX
09/06/2024 Grant Deed XXXXXXXXX XXXXXXXX XX XXXXXXX XXXXXXX XX
06/20/2024 Order XXXXXXX XXXXXXXXXXXX XXXXXXXXX XXXXXXXX XX
01/10/2023 Affidavit of death XXXXXXXXX XXXXXXXX
03/17/2022 Trust Transfer Deed XXXXXXXXX XXXXXXXX X XXXXXXXXX XXXXXXXX XX
09/29/2021 Grant Deed XXXXX XXXXXXXX XXXXXXXXX XXXXXXXX X
07/23/2021 Reconveyance
Substitution of trustee		 XXXXX XXXXXXXX XXXXX XXXXXXXX
07/24/2018 Reconveyance
Substitution of Trustee		 XXXXX XXXXXXXX XXXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18880 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
2025-2026
Property tax
$13,968
Tax per sq. ft.
$11
Recent tax assessments
Market value
$1,200,000
Land value
$360,000
Building value
$840,000

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 $1,200,000 1.164 $13,968 +5.58%
2024-2025 $1,122,000 1.1791 $13,230 -48.84%
2023-2024 $1,100,000 2.3508 $25,859 +296.31%
2022-2023 $547,936 1.1908 $6,525 +2.51%
2021-2022 $537,195 1.1848 $6,365 +2.29%
2020-2021 $531,691 1.1703 $6,222 -1.14%
2019-2020 $519,307 1.212 $6,294 +2.36%
2018-2019 $509,127 1.2077 $6,149 +2.65%
2017-2018 $499,147 1.2001 $5,990 +18.54%
2016-2017 $489,363 1.0326 $5,053 -5.16%
Permits

Permit information for 18880 Walnut Road, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
07/11/2017

*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 18880 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 0.25
Chabot Elementary School 8 Public K-5 470 0.35
Anchor Education, Inc. NR Private 3-12 18 0.42
Sterling West San Francisco Campus NR Private 3-11 27 0.43
Anchor Education, Inc. School NR Private 3-12 0 0.44
The Montessori Giving Tree NR Private K-6 7 0.72
Our Lady Of Grace School NR Private K-8 218 0.81
Stanton Elementary School 6 Public K-5 492 0.85
Proctor Elementary School 8 Public K-5 584 0.86
Alma Preschool NR Public 52 0.90
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.25
Anchor Education, Inc. NR Private 3-12 18 0.42
Sterling West San Francisco Campus NR Private 3-11 27 0.43
Anchor Education, Inc. School NR Private 3-12 0 0.44
Our Lady Of Grace School NR Private K-8 218 0.81
Redwood Christian Schools NR Private K-12 706 0.84
Alma Preschool NR Public 52 0.90
Castro Valley Adult And Career Education NR Public 0 0.94
Creekside Middle School 8 Public 6-8 760 1.68
Special Education-Preschool-Laurel NR Public 1 1.94
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.25
Redwood Continuation High School 3 Public 9-12 122 0.25
Roy A. Johnson High School NR Public 9-12 24 0.25
Anchor Education, Inc. NR Private 3-12 18 0.42
Sterling West San Francisco Campus NR Private 3-11 27 0.43
Anchor Education, Inc. School NR Private 3-12 0 0.44
Castro Valley High School 9 Public 9-12 2,799 0.71
Redwood Christian Schools NR Private K-12 706 0.84
Alma Preschool NR Public 52 0.90
Castro Valley Adult And Career Education NR Public 0 0.94

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

Neighbors for 18880 Walnut Road, Castro Valley, CA

18349 Almond Rd, Castro Valley 18991 Almond Rd, Castro Valley 4619 Proctor Rd, Castro Valley 18952 Lamson Rd, Castro Valley 3806 Seven Hills Rd, Castro Valley 17552 Walnut Rd, Castro Valley 18984 Lamson Rd, Castro Valley 17856 Almond Rd, Castro Valley 18999 Lamson Rd, Castro Valley 18921 Almond Rd, Castro Valley 18888 Walnut Rd, Castro Valley 18791 Lamson Rd, Castro Valley 17742 Almond Rd, Castro Valley 4603 Proctor Rd, Castro Valley 3830 Seven Hills Rd, Castro Valley 4470 School Way, Castro Valley 4440 School Way, Castro Valley 4776 Sorani Way, Castro Valley 18744 Lamson Rd, Castro Valley 3768 Seven Hills Rd, Castro Valley

Nearby ZIP codes for 18880 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 18880 Walnut Road, Castro Valley, CA 94546?

The development at 18880 Walnut Road, Castro Valley, CA 94546 was built in 1948.

What is the total square footage of 18880 Walnut Road, Castro Valley, CA 94546?

18880 Walnut Road, Castro Valley, CA 94546 has a total of 1,250 square feet.

When was 18880 Walnut Road, Castro Valley, CA 94546 last sold and what was the sale price?

18880 Walnut Road, Castro Valley, CA 94546 was last sold on 09/06/2024 for $1,200,000.

What is the assessed value of 18880 Walnut Road, Castro Valley, CA 94546?

18880 Walnut Road, Castro Valley, CA 94546 is currently assessed at $1,200,000.

What are the property taxes for 18880 Walnut Road, Castro Valley, CA 94546?

The property taxes for 18880 Walnut Road, Castro Valley, CA 94546 total $13,968.

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