Alameda County  »  94546  »  Carlton Ave  »  18308 Carlton Ave

18308 Carlton Avenue, Castro Valley, CA 94546 - Property report

Also known as: 18308 Carlton Ave

Property image for 18308 Carlton Avenue, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1938

Acreage

0.14

General Information

Address
Primary address
18308 Carlton Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84B-472-61

Owner

Find out who owns 18308 Carlton Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Property tax
$1,888
Tax per sq. ft.
$1
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,637
Stories
1
Year built
1938
Building material
Wood/wood and steel frames
Rooms
7
Elevator
Bedrooms
3
Bathrooms
1
Lot
Acreage
0.14
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

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

Ownership information for 18308 Carlton Avenue, Castro Valley, CA

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

Sales history for 18308 Carlton Avenue, Castro Valley, CA 94546

No recently recorded sales for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
06/16/2020 Trust Transfer Deed XXXXXXX XXXX XXXXXXX XXXX X XXXXX XX
06/16/2020 Affidavit of death XXXXXXX XXXX X
02/06/2015 Assignment of Rents
Deed of Trust		 XXXXXXX XXXX XXXXXX XXXXXXX XXXXXXXX XXXXX XXXXX
02/06/2015 Assignment of Rents
Deed of Trust		 XXXXXXX XXXX XXXXXX XXXXXXX XXXXXXXX XXXXX XXXXX
01/08/2014 Substitution of Trustee XXXXXXX XXXX XXXXXXX XXXXXX XXXXXXXX XXXXXX & XXXXX XXX
01/19/2006 Deed XXXXXXX XXXX & XXXX XXXXX XXXXXXX, XXXX X & XXXX
09/17/2003 Deed XXXXXXX, XXXX X & XXXX XXXXXXX, XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18308 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
$1,888
Tax per sq. ft.
$1
Recent tax assessments
Market value
$162,209
Land value
$40,552
Building value
$121,657

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 $162,209 1.164 $1,888 +0.69%
2024-2025 $159,029 1.1791 $1,875 -48.84%
2023-2024 $155,910 2.3508 $3,665 +101.36%
2022-2023 $152,854 1.1908 $1,820 +2.49%
2021-2022 $149,857 1.1848 $1,776 +2.32%
2020-2021 $148,321 1.1703 $1,736 -1.51%
2019-2020 $145,413 1.212 $1,762 +2.36%
2018-2019 $142,562 1.2077 $1,722 +2.64%
2017-2018 $139,768 1.2001 $1,677 +18.55%
2016-2017 $137,028 1.0326 $1,415 -5.16%
Permits

Permit information for 18308 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 18308 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)
Castro Valley Virtual Academy 7 Public K-12 67 0.38
Chabot Elementary School 8 Public K-5 470 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.61
Sterling West San Francisco Campus NR Private 3-11 27 0.61
Anchor Education, Inc. NR Private 3-12 18 0.62
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.76
Stanton Elementary School 6 Public K-5 492 0.78
Montessori School Of San Leandro NR Private PK-K 130 0.97
Hillside Elementary School 2 Public K-5 371 1.18
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.38
Anchor Education, Inc. School NR Private 3-12 0 0.61
Sterling West San Francisco Campus NR Private 3-11 27 0.61
Anchor Education, Inc. NR Private 3-12 18 0.62
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.76
Our Lady Of Grace School NR Private K-8 218 1.10
Alma Preschool NR Public 52 1.46
Castro Valley Adult And Career Education NR Public 0 1.50
Edendale Middle School 2 Public 6-8 500 1.53
Creekside Middle School 8 Public 6-8 760 2.19
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roy A. Johnson High School NR Public 9-12 24 0.38
Redwood Continuation High School 3 Public 9-12 122 0.38
Castro Valley Virtual Academy 7 Public K-12 67 0.38
Anchor Education, Inc. School NR Private 3-12 0 0.61
Sterling West San Francisco Campus NR Private 3-11 27 0.61
Anchor Education, Inc. NR Private 3-12 18 0.62
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.76
Castro Valley High School 9 Public 9-12 2,799 1.20
Redwood Christian Schools NR Private K-12 706 1.39
Alma Preschool NR Public 52 1.46

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

Neighbors for 18308 Carlton Avenue, Castro Valley, CA

3123 Dominic Dr, Castro Valley 19250 Stanton Ave, Castro Valley 18414 Terry Way, Castro Valley 18289 Lake Chabot Rd, Castro Valley 18232 Carlton Ave, Castro Valley 18323 Jill Way, Castro Valley 18356 Carlton Ave, Castro Valley 3102 Dominic Dr, Castro Valley 2775 Perrich Ave, Castro Valley 3106 Dominic Dr, Castro Valley 3109 Sunshine Pl, Castro Valley 2710 Talbot Ln, Castro Valley 2761 Stanton Heights CT, Castro Valley 18402 Terry Way, Castro Valley 2727 Darlene CT, Castro Valley 18312 Carlton Ave, Castro Valley 3141 Dominic Dr, Castro Valley 18240 Carlton Ave, Castro Valley 18270 Carlton Ave, Castro Valley 18256 Carlton Ave, Castro Valley

Nearby ZIP codes for 18308 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 year built for 18308 Carlton Avenue, Castro Valley, CA 94546?

The development at 18308 Carlton Avenue, Castro Valley, CA 94546 was built in 1938.

What is the total square footage of 18308 Carlton Avenue, Castro Valley, CA 94546?

18308 Carlton Avenue, Castro Valley, CA 94546 has a total of 1,637 square feet.

What is the assessed value of 18308 Carlton Avenue, Castro Valley, CA 94546?

18308 Carlton Avenue, Castro Valley, CA 94546 is currently assessed at $162,209.

What are the property taxes for 18308 Carlton Avenue, Castro Valley, CA 94546?

The property taxes for 18308 Carlton Avenue, Castro Valley, CA 94546 total $1,888.

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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.

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