Alameda County  »  21004 Marshall St

21004 Marshall Street, Castro Valley, CA 94546 Property Information

21004 Marshall Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21004 Marshall Street, Castro Valley, CA 94546
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Address

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

Sales & Tax Overview for 21004 Marshall Street, Castro Valley

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Property tax $0

Lot & Building Information for 21004 Marshall Street, Castro Valley

Building sqft 2,648
Building class Condominium Common Area or Use (7390)
Acreage 0.14
Units 2
Year built 1982
Stories 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Two Family Residential (R2)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 21004 Marshall Street, Castro Valley

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About 21004 Marshall Street, Castro Valley

What is the year built & the total sq. ft. for 21004 Marshall Street, Castro Valley, CA 94546?

21004 Marshall Street, Castro Valley, CA 94546 was built in 1982 and has a total of 2,648 square feet.

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jun 04, 2026 World Cup or Your Mortgage/Rent? Ticket Prices Rival Host City Housing Costs
World Cup ticket prices rival monthly housing expenses in the 11 U.S. host cities, with even the cheapest seats covering weeks or even months of rent or mortgage payments.
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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Past Sales & Property History for 21004 Marshall Street, Castro Valley

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No recorded sales for this property.

Title Documents for 21004 Marshall Street, Castro Valley

Data not available for this property.

Property Taxes for 21004 Marshall Street, Castro Valley

Access detailed property tax data for 21004 Marshall Street, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $0
Market value $0

Assessment History for 21004 Marshall Street, Castro Valley

Data not available for this property.

Permits for 21004 Marshall Street, Castro Valley

The complete history of permits filed for 21004 Marshall Street, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

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 County.

Check out recently sold homes in Castro-Valley and see how their prices compare.

Risk

Create a free account to unlock extended information for 21004 Marshall Street, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 21004 Marshall Street, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
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

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
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

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
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

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 21004 Marshall Street, Castro Valley

Here are the neighbors for 21004 Marshall Street, Castro Valley.

Address Square feet Purchase date Purchase price
4288 Gem Ave, Castro Valley 1,399 05/19/2020
20331 Center St, Castro Valley 1,742 10/05/2005
4066 Meadowview Dr, Castro Valley 2,362 11/15/2019
21022 Marshall St, Castro Valley 02/16/1996
4054 Meadowview Dr, Castro Valley 1,124 04/14/2022
4084 Meadowview Dr, Castro Valley 1,612 06/24/2015
4219 Omega Ave, Castro Valley 1,664 07/16/2020
4235 Omega Ave, Castro Valley 2,198 08/28/2008 $379,000
4296 Gem Ave, Castro Valley 1,560 01/14/1999 $182,500
3958 Castro Valley Blvd, Castro Valley 32,776 09/15/2020
20996 Marshall St, Castro Valley 980 05/05/1999 $190,000
4267 Omega Ave, Castro Valley 1,431 04/07/2023 $1,140,000
4323 Omega Ave, Castro Valley 1,596 10/19/2023
4121 David St, Castro Valley 1,954 03/25/2014 $525,000
4177 David St, Castro Valley 2,324 05/03/2022
4315 Omega Ave, Castro Valley 1,591 05/29/2024 $574,545
4010 Meadowview Dr, Castro Valley 1,111 03/22/2016 $190,500
4205 Omega Ave, Castro Valley 1,360 06/26/2023 $1,010,000
4307 Omega Ave, Castro Valley 1,812 07/31/2015 $670,000
4292 Gem Ave, Castro Valley 1,648 10/14/2019

Nearby ZIP Codes for 21004 Marshall Street, Castro Valley

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