Alameda County  »  94546  »  Walnut Rd  »  18742 Walnut Rd

18742 Walnut Road, Castro Valley, CA 94546 - Property report

Also known as: 18742 Walnut Rd

Property image for 18742 Walnut Road, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1970

Acreage

0.26

Sale price

$217,000

General Information

Address
Primary address
18742 Walnut Rd
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84D-1168-29-1

Owner

Find out who owns 18742 Walnut Road, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/26/2004
Sale price
$217,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$8,444
Current property tax
$8,363
Tax per sq. ft.
$4
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,928
Stories
2
Year built
1970
Building material
Wood/wood and steel frames
Rooms
5
Elevator
Bedrooms
2
Bathrooms
2
Lot
Acreage
0.26
Zoning & use
Zoning
Single Family Residential (R1-BE-CSU-R)
Units
1

Area overview

Walk score
45 /100.  Car-Dependent
Transit score
21 /100.  Minimal Transit
Bike score
20 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 18742 Walnut Road, Castro Valley, CA

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

Sales history for 18742 Walnut Road, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
02/26/2004 $217,000 XXXX, XXXXXX X XXXX, XXXXXX X
01/17/2002 $450,000 XXXX, XXXXXX X XXXXXXX XXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
05/15/2026 Reconveyance
Substitution of trustee		 XXXX XXXXXX X XXXXXXXXXXX XXXXXXXX XXX
05/15/2026 Reconveyance
Substitution of trustee		 XXXX XXXXXX X XXXXXXXXXXX XXXXXXXX XXX
05/13/2026 Reconveyance
Substitution of trustee		 XXXX XXXXXX X XXXXXXXXXXX XXXXXXXX XXX
05/13/2026 Reconveyance
Substitution of trustee		 XXXX XXXXXX X XXXXXXXXXXX XXXXXXXX XXX
05/08/2026 Deed of trust XXXX XXXXXX X XXXXX XXXX XXXXXX
05/08/2026 Grant Deed XXXX XXXXXX X XXXX XXXXXX X
02/21/2023 Deed of trust XXXX XXXXXX X XXXX XX XXXX
10/04/2019 Deed of Trust
05/15/2019 Reconveyance XXXX XXXXXX X
11/16/2016 Deed of Trust XXXX XXXXXX X XXXX XX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18742 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
Base tax
$8,444
Current property tax
$8,363
Tax per sq. ft.
$4
Recent tax assessments
Market value
$725,471
Land value
$217,641
Building value
$507,830

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 $725,471 1.164 $8,444 +0.69%
2024-2025 $711,250 1.1791 $8,386 -48.84%
2023-2024 $697,305 2.3508 $16,392 +101.36%
2022-2023 $683,634 1.1908 $8,141 +2.51%
2021-2022 $670,233 1.1848 $7,941 +2.29%
2020-2021 $663,363 1.1703 $7,763 -1.51%
2019-2020 $650,357 1.212 $7,882 +2.36%
2018-2019 $637,607 1.2077 $7,700 +2.65%
2017-2018 $625,106 1.2001 $7,502 +18.55%
2016-2017 $612,851 1.0326 $6,328 -5.16%
Permits

Permit information for 18742 Walnut Road, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
05/04/2026

*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 18742 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 0.22
Chabot Elementary School 8 Public K-5 470 0.45
Anchor Education, Inc. NR Private 3-12 18 0.53
Sterling West San Francisco Campus NR Private 3-11 27 0.53
Anchor Education, Inc. School NR Private 3-12 0 0.54
The Montessori Giving Tree NR Private K-6 7 0.65
Proctor Elementary School 8 Public K-5 584 0.83
Redwood Christian Schools NR Private K-12 706 0.89
Alma Preschool NR Public 52 0.94
Stanton Elementary School 6 Public K-5 492 0.94
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.22
Anchor Education, Inc. NR Private 3-12 18 0.53
Sterling West San Francisco Campus NR Private 3-11 27 0.53
Anchor Education, Inc. School NR Private 3-12 0 0.54
Redwood Christian Schools NR Private K-12 706 0.89
Our Lady Of Grace School NR Private K-8 218 0.91
Alma Preschool NR Public 52 0.94
Castro Valley Adult And Career Education NR Public 0 0.98
Creekside Middle School 8 Public 6-8 760 1.74
Special Education-Preschool-Laurel NR Public 1 2.03
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roy A. Johnson High School NR Public 9-12 24 0.22
Redwood Continuation High School 3 Public 9-12 122 0.22
Castro Valley Virtual Academy 7 Public K-12 67 0.22
Anchor Education, Inc. NR Private 3-12 18 0.53
Sterling West San Francisco Campus NR Private 3-11 27 0.53
Anchor Education, Inc. School NR Private 3-12 0 0.54
Castro Valley High School 9 Public 9-12 2,799 0.78
Redwood Christian Schools NR Private K-12 706 0.89
Alma Preschool NR Public 52 0.94
Castro Valley Adult And Career Education NR Public 0 0.98

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

Neighbors for 18742 Walnut Road, Castro Valley, CA

18728 Capricorn CT, Castro Valley 18345 Lamson Rd, Castro Valley 18962 Marciel CT, Castro Valley 18777 Almond Rd, Castro Valley 18709 Capricorn CT, Castro Valley 18726 Walnut Rd, Castro Valley 18131 Lamson Rd, Castro Valley 18421 Almond Rd, Castro Valley 18445 Almond Rd, Castro Valley 18132 Lamson Rd, Castro Valley 18386 Lamson Rd, Castro Valley 18485 Almond Rd, Castro Valley 18671 Capricorn CT, Castro Valley 18649 Capricorn CT, Castro Valley 18668 Lamson Rd, Castro Valley 18600 Lamson Rd, Castro Valley 18616 Walnut Rd, Castro Valley 18134 Lamson Rd, Castro Valley 18514 Capricorn CT, Castro Valley 18623 Capricorn CT, Castro Valley

Nearby ZIP codes for 18742 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 18742 Walnut Road, Castro Valley, CA 94546?

The development at 18742 Walnut Road, Castro Valley, CA 94546 was built in 1970.

What is the total square footage of 18742 Walnut Road, Castro Valley, CA 94546?

18742 Walnut Road, Castro Valley, CA 94546 has a total of 1,928 square feet.

When was 18742 Walnut Road, Castro Valley, CA 94546 last sold and what was the sale price?

18742 Walnut Road, Castro Valley, CA 94546 was last sold on 02/26/2004 for $217,000.

What is the assessed value of 18742 Walnut Road, Castro Valley, CA 94546?

18742 Walnut Road, Castro Valley, CA 94546 is currently assessed at $725,471.

What are the property taxes for 18742 Walnut Road, Castro Valley, CA 94546?

The property taxes for 18742 Walnut Road, Castro Valley, CA 94546 total $8,444.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account