Alameda County  »  94546  »  Marshall St  »  21004 Marshall St

21004 Marshall Street, Castro Valley, CA 94546 - Property report

Also known as: 21004 Marshall St

Property image for 21004 Marshall Street, Castro Valley, CA 94546
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Property type

Condominium Common Area or Use (7390)

Year built

1982

Acreage

1.36

General Information

Address
Primary address
21004 Marshall St
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-661-9

Owner

Find out who owns 21004 Marshall Street, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026-2027
Building
Property type
Condominium Common Area or Use
Building sq. ft.
2,648
Stories
20
Year built
1982
Building material
Wood/wood and steel frames
Elevator
Lot
Acreage
1.36
Zoning & use
Zoning
Two Family Residential (R2)
Units
2

Area overview

Walk score
75 /100.  Very Walkable
Transit score
40 /100.  Some Transit
Bike score
44 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH

Ownership information for 21004 Marshall Street, Castro Valley, CA

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

Sales history for 21004 Marshall Street, 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.

Property taxes for 21004 Marshall Street, 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

Permit information for 21004 Marshall Street, Castro Valley, CA

No recently recorded permits for this property.

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
-
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map

Access the detailed traffic volume map for 21004 Marshall Street, 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)
Marshall Elementary School 9 Public K-5 491 0.28
Special Education-Preschool-Laurel NR Public 1 0.53
Early Bird Montessori School NR Private PK, K-1 30 0.68
Early Bird Montessori School NR Private PK, K-1 30 0.68
Vita Academy NR Private 1-6 0 0.71
Northstar School NR Private PK-8 152 0.76
Northstar School NR Private PK-8 152 0.76
Independent Elementary School 8 Public K-5 634 0.89
Castro Valley Elementary School 6 Public K-5 472 0.91
Vannoy Elementary School 7 Public K-5 441 0.97
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.46
Special Education-Preschool-Laurel NR Public 1 0.53
Northstar School NR Private PK-8 152 0.76
Redwood Christian Schools NR Private K-12 706 0.98
Castro Valley Adult And Career Education NR Public 0 1.00
Alma Preschool NR Public 52 1.02
Our Lady Of Grace School NR Private K-8 218 1.04
Canyon Middle School 6 Public 6-8 1,332 1.10
Stellar Preparatory High School NR Private 9 0 1.23
Faith Ringgold School of Arts and Science 1 Public K-8 111 1.30
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.53
Redwood Christian Schools NR Private K-12 706 0.98
Castro Valley Adult And Career Education NR Public 0 1.00
Castro Valley High School 9 Public 9-12 2,799 1.00
Alma Preschool NR Public 52 1.02
Stellar Preparatory High School NR Private 9 0 1.23
Anchor Education, Inc. NR Private 3-12 18 1.50
Sterling West San Francisco Campus NR Private 3-11 27 1.51
Anchor Education, Inc. School NR Private 3-12 0 1.52
Hayward High School 5 Public 9-12 1,712 1.59

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

Frequently asked questions

What is the year built for 21004 Marshall Street, Castro Valley, CA 94546?

The development at 21004 Marshall Street, Castro Valley, CA 94546 was built in 1982.

What is the total square footage of 21004 Marshall Street, Castro Valley, CA 94546?

21004 Marshall Street, Castro Valley, CA 94546 has a total of 2,648 square feet.

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