Alameda County  »  94546  »  Carlton Ave  »  18931 Carlton Ave

18931 Carlton Avenue, Castro Valley, CA 94546 - Property report

Also known as: 18931 Carlton Ave

Property image for 18931 Carlton Avenue, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Acreage

0.607

General Information

Address
Primary address
18931 Carlton Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84B-425-4-1

Owner

Find out who owns 18931 Carlton Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Property tax
$3,335
Building
Property type
Single Family Residential Homes Used as Such
Elevator
Lot
Acreage
0.607
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)

Area overview

Walk score
49 /100.  Car-Dependent
Transit score
27 /100.  Some Transit
Bike score
16 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 18931 Carlton Avenue, Castro Valley, CA

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

Sales history for 18931 Carlton Avenue, Castro Valley, CA 94546

No recently recorded sales for this property.

More about Alameda County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 18931 Carlton Avenue, 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
$3,335
Recent tax assessments
Market value
$286,504
Land value
$103,840
Building value
$182,664

More about Alameda County property taxes

Permits

Permit information for 18931 Carlton Avenue, Castro Valley, CA

No recently recorded permits 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 18931 Carlton Avenue, 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)
Anchor Education, Inc. School NR Private 3-12 0 0.37
Sterling West San Francisco Campus NR Private 3-11 27 0.38
Chabot Elementary School 8 Public K-5 470 0.38
Anchor Education, Inc. NR Private 3-12 18 0.39
Stanton Elementary School 6 Public K-5 492 0.47
Castro Valley Virtual Academy 7 Public K-12 67 0.48
Camelot School NR Private K 14 0.71
Montessori School Of San Leandro NR Private PK-K 130 0.80
Castro Valley Elementary School 6 Public K-5 472 0.99
Hillside Elementary School 2 Public K-5 371 1.16
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Anchor Education, Inc. School NR Private 3-12 0 0.37
Sterling West San Francisco Campus NR Private 3-11 27 0.38
Anchor Education, Inc. NR Private 3-12 18 0.39
Castro Valley Virtual Academy 7 Public K-12 67 0.48
Our Lady Of Grace School NR Private K-8 218 0.84
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.87
Alma Preschool NR Public 52 1.33
Castro Valley Adult And Career Education NR Public 0 1.37
Edendale Middle School 2 Public 6-8 500 1.44
Special Education-Preschool-Laurel NR Public 1 1.97
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Anchor Education, Inc. School NR Private 3-12 0 0.37
Sterling West San Francisco Campus NR Private 3-11 27 0.38
Anchor Education, Inc. NR Private 3-12 18 0.39
Redwood Continuation High School 3 Public 9-12 122 0.48
Roy A. Johnson High School NR Public 9-12 24 0.48
Castro Valley Virtual Academy 7 Public K-12 67 0.48
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.87
Castro Valley High School 9 Public 9-12 2,799 1.02
Redwood Christian Schools NR Private K-12 706 1.25
Alma Preschool NR Public 52 1.33

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

Nearby ZIP codes for 18931 Carlton Avenue, Castro Valley, CA

94542, Alameda County, CA 94579, Alameda County, CA 94601, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA

Frequently asked questions

What is the assessed value of 18931 Carlton Avenue, Castro Valley, CA 94546?

18931 Carlton Avenue, Castro Valley, CA 94546 is currently assessed at $286,504.

What are the property taxes for 18931 Carlton Avenue, Castro Valley, CA 94546?

The property taxes for 18931 Carlton Avenue, Castro Valley, CA 94546 total $3,334.

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