Alameda County  »  94546  »  Helen Pl  »  19503 Helen Pl

4345 Heyer Avenue, Castro Valley, CA 94546 - Property report

Also known as: 19503 Helen Pl

Property image for 4345 Heyer Avenue, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1942

Acreage

10.26

General Information

Address
Primary address
4345 Heyer Ave
Castro Valley, CA 94546
Alternate address(es)
4345 Heyer Ave
Zip code
94546
County
Alameda
Parcel ID
84C-745-7

Owner

Find out who owns 4345 Heyer Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026-2027
Base tax
$2,661
Current property tax
$2,579
Tax per sq. ft.
$1
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
2,104
Year built
1942
Building material
Wood/wood and steel frames
Last altered
1954
Elevator
Bedrooms
4
Bathrooms
20
Lot
Acreage
10.26
Zoning & use
Zoning
Suburban Residential (RS-CSU-RV)
Units
1

Area overview

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

Ownership information for 4345 Heyer Avenue, Castro Valley, CA

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

Sales history for 4345 Heyer 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
03/20/2024 Grant Deed XXXXXXXX XXXXXX XXXXX XXXXXX XXXXX X
03/18/2016 Notice XXXXXXXX XXXXXXX XXXXXX XXXXX XXXXXXXXX XXX
10/12/2015 Notice XXXXXXXX XXXXXXX XXXXXX XXXXX XXXXXXXXX XXX
08/04/2015 Notice XXXXXXXX XXXXXXX XXXXXX XXXXX XXXXXXXXX XXX
07/14/2015 Affidavit of Death XXXXXXXX XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4345 Heyer 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
2026-2027
Base tax
$2,661
Current property tax
$2,579
Tax per sq. ft.
$1
Recent tax assessments
Market value
$228,593
Land value
$92,089
Building value
$136,504

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 $224,112 1.164 $2,609 +0.69%
2024-2025 $219,718 1.1791 $2,591 -48.84%
2023-2024 $215,411 2.3508 $5,064 +101.36%
2022-2023 $211,187 1.1908 $2,515 +2.52%
2021-2022 $207,046 1.1848 $2,453 +2.28%
2020-2021 $204,924 1.1703 $2,398 -1.51%
2019-2020 $200,907 1.212 $2,435 +2.36%
2018-2019 $196,968 1.2077 $2,379 +2.65%
2017-2018 $193,106 1.2001 $2,317 +18.55%
2016-2017 $189,320 1.0326 $1,955 -5.16%
Permits

Permit information for 4345 Heyer Avenue, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
09/14/2023

*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
AE, 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 4345 Heyer 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)
Redwood Christian Elementary School NR Private K-5 282 0.24
Castro Valley Adult And Career Education NR Public 0 0.29
Redwood Christian Schools NR Private K-12 706 0.30
Alma Preschool NR Public 52 0.31
Early Bird Montessori School NR Private PK, K-1 30 0.38
Early Bird Montessori School NR Private PK, K-1 30 0.38
Marshall Elementary School 9 Public K-5 491 0.44
Vannoy Elementary School 7 Public K-5 441 0.58
Castro Valley Elementary School 6 Public K-5 472 0.78
Our Lady Of Grace School NR Private K-8 218 0.79
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.29
Redwood Christian Schools NR Private K-12 706 0.30
Alma Preschool NR Public 52 0.31
Creekside Middle School 8 Public 6-8 760 0.55
Our Lady Of Grace School NR Private K-8 218 0.79
Canyon Middle School 6 Public 6-8 1,332 0.97
Anchor Education, Inc. NR Private 3-12 18 1.09
Sterling West San Francisco Campus NR Private 3-11 27 1.10
Anchor Education, Inc. School NR Private 3-12 0 1.11
Special Education-Preschool-Laurel NR Public 1 1.16
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.29
Redwood Christian Schools NR Private K-12 706 0.30
Alma Preschool NR Public 52 0.31
Castro Valley High School 9 Public 9-12 2,799 0.46
Anchor Education, Inc. NR Private 3-12 18 1.09
Sterling West San Francisco Campus NR Private 3-11 27 1.10
Anchor Education, Inc. School NR Private 3-12 0 1.11
Special Education-Preschool-Laurel NR Public 1 1.16
Roy A. Johnson High School NR Public 9-12 24 1.38
Redwood Continuation High School 3 Public 9-12 122 1.38

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

Neighbors for 4345 Heyer Avenue, Castro Valley, CA

19798 Salem Rd, Castro Valley 4182 Somerset Ave, Castro Valley 19666 Salem Rd, Castro Valley 19525 Forest Ave, Castro Valley 4023 Berdina Rd, Castro Valley 19567 Forest Ave, Castro Valley 19653 Kinney CT, Castro Valley 4019 Somerset Ave, Castro Valley 4011 Somerset Ave, Castro Valley 4194 Berdina Rd, Castro Valley 4017 Berdina Rd, Castro Valley 19954 Redwood Rd, Castro Valley 4205 Forest Glen Pl, Castro Valley 4229 Forest Glen Pl, Castro Valley 4168 Berdina Rd, Castro Valley 19751 Forest Ave, Castro Valley 4010 Berdina Rd, Castro Valley 4003 Berdina Rd, Castro Valley 4125 Nichandros St, Castro Valley 4175 Somerset Ave, Castro Valley

Nearby ZIP codes for 4345 Heyer Avenue, 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 4345 Heyer Avenue, Castro Valley, CA 94546?

The development at 4345 Heyer Avenue, Castro Valley, CA 94546 was built in 1942.

What is the total square footage of 4345 Heyer Avenue, Castro Valley, CA 94546?

4345 Heyer Avenue, Castro Valley, CA 94546 has a total of 2,104 square feet.

What is the assessed value of 4345 Heyer Avenue, Castro Valley, CA 94546?

4345 Heyer Avenue, Castro Valley, CA 94546 is currently assessed at $228,593.

What are the property taxes for 4345 Heyer Avenue, Castro Valley, CA 94546?

The property taxes for 4345 Heyer Avenue, Castro Valley, CA 94546 total $2,660.

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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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