Alameda County  »  94546  »  James Ave  »  4423 James Ave

4423 James Avenue, Castro Valley, CA 94546 - Property report

Also known as: 4423 James Ave

Property image for 4423 James Avenue, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1921

Acreage

0.24

Sale price

$525,000

General Information

Address
Primary address
4423 James Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-783-31

Owner

Find out who owns 4423 James Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
05/24/2002
Sale price
$525,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$9,027
Current property tax
$8,946
Tax per sq. ft.
$4
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
2,388
Stories
2
Year built
1921
Building material
Wood/wood and steel frames
Last altered
1949
Rooms
7
Elevator
Bedrooms
4
Bathrooms
3
Lot
Acreage
0.24
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

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

Ownership information for 4423 James Avenue, Castro Valley, CA

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

Sales history for 4423 James Avenue, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
05/24/2002 $525,000 XXX, XXXXX X & XXXXX X XXXXXXX, XXXXXXX X
09/15/1998 $635,000 XXXXXXX, XXXXXXX X XXXXXX, XXXXXX X & XXXXXXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
11/07/2025 Affidavit of death XXX XXXXX X
03/05/2024 Trust Transfer Deed XXX XXXXX X XXX XXXXX X XX
05/24/2002 Deed XXXXXXX, XXXXXXX X XXX, XXXXX X & XXXXX X
03/13/2002 Deed XXXXXXX, XXXXXXX X XXXXXXX, XXXXXXX X
07/01/1999 Deed XXXXXXX, XXXXXXX X XXXXXXX XXXXXX (XX
09/15/1998 Deed XXXXXXX, XXXXXX X XXXXXXX, XXXXXXX X
09/15/1998 Deed XXXXXX, XXXXXX X & XXXXXXXX X XXXXXXX, XXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4423 James 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
Base tax
$9,027
Current property tax
$8,946
Tax per sq. ft.
$4
Recent tax assessments
Market value
$775,530
Land value
$232,659
Building value
$542,871

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 $775,530 1.164 $9,027 +0.69%
2024-2025 $760,325 1.1791 $8,965 -48.84%
2023-2024 $745,420 2.3508 $17,523 +101.36%
2022-2023 $730,804 1.1908 $8,702 +2.51%
2021-2022 $716,477 1.1848 $8,489 +2.29%
2020-2021 $709,132 1.1703 $8,299 -1.51%
2019-2020 $695,230 1.212 $8,426 +2.36%
2018-2019 $681,601 1.2077 $8,232 +2.65%
2017-2018 $668,240 1.2001 $8,020 +18.54%
2016-2017 $655,141 1.0326 $6,765 -5.16%
Permits

Permit information for 4423 James Avenue, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
02/23/2026
06/12/2023
02/01/2016

*Most recent permits 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 4423 James 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 Adult And Career Education NR Public 0 0.12
Alma Preschool NR Public 52 0.15
Redwood Christian Elementary School NR Private K-5 282 0.17
Redwood Christian Schools NR Private K-12 706 0.18
Early Bird Montessori School NR Private PK, K-1 30 0.46
Early Bird Montessori School NR Private PK, K-1 30 0.46
Vannoy Elementary School 7 Public K-5 441 0.59
Marshall Elementary School 9 Public K-5 491 0.61
Proctor Elementary School 8 Public K-5 584 0.72
Our Lady Of Grace School NR Private K-8 218 0.82
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.12
Alma Preschool NR Public 52 0.15
Redwood Christian Schools NR Private K-12 706 0.18
Creekside Middle School 8 Public 6-8 760 0.69
Our Lady Of Grace School NR Private K-8 218 0.82
Canyon Middle School 6 Public 6-8 1,332 1.01
Anchor Education, Inc. NR Private 3-12 18 1.04
Sterling West San Francisco Campus NR Private 3-11 27 1.06
Anchor Education, Inc. School NR Private 3-12 0 1.06
Castro Valley Virtual Academy 7 Public K-12 67 1.27
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.12
Alma Preschool NR Public 52 0.15
Redwood Christian Schools NR Private K-12 706 0.18
Castro Valley High School 9 Public 9-12 2,799 0.41
Anchor Education, Inc. NR Private 3-12 18 1.04
Sterling West San Francisco Campus NR Private 3-11 27 1.06
Anchor Education, Inc. School NR Private 3-12 0 1.06
Castro Valley Virtual Academy 7 Public K-12 67 1.27
Roy A. Johnson High School NR Public 9-12 24 1.27
Redwood Continuation High School 3 Public 9-12 122 1.27

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

Neighbors for 4423 James Avenue, Castro Valley, CA

17225 Columbia Dr, Castro Valley 7320 Greenville Pl, Castro Valley 2509 Ridge Crest CT, Castro Valley 20228 W Ridge CT, Castro Valley 18592 Madison Ave, Castro Valley 3300 E Castro Valley Blvd, Castro Valley 22986 Princeton Pl, Castro Valley 18810 Buren Pl, Castro Valley 19406 Lake Chabot Rd, Castro Valley 10072 Norris Canyon Rd, Castro Valley 2538 Ridge Crest CT, Castro Valley 7250 Morton Pl, Castro Valley 4961 Old Dublin Rd, Castro Valley 17226 Columbia Dr, Castro Valley 19200 Buren Pl, Castro Valley 2552 Ridge Crest CT, Castro Valley 18410 Buren Pl, Castro Valley 5934 Charter Oaks Dr, Castro Valley 27399 Palomares Rd, Castro Valley 2572 Ridge Crest CT, Castro Valley

Nearby ZIP codes for 4423 James 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 4423 James Avenue, Castro Valley, CA 94546?

The development at 4423 James Avenue, Castro Valley, CA 94546 was built in 1921.

What is the total square footage of 4423 James Avenue, Castro Valley, CA 94546?

4423 James Avenue, Castro Valley, CA 94546 has a total of 2,388 square feet.

When was 4423 James Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

4423 James Avenue, Castro Valley, CA 94546 was last sold on 05/24/2002 for $525,000.

What is the assessed value of 4423 James Avenue, Castro Valley, CA 94546?

4423 James Avenue, Castro Valley, CA 94546 is currently assessed at $775,530.

What are the property taxes for 4423 James Avenue, Castro Valley, CA 94546?

The property taxes for 4423 James Avenue, Castro Valley, CA 94546 total $9,027.

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