Alameda County  »  21228 Redwood Rd

21228 Redwood Road, Castro Valley, CA 94546 Property Information

21228 Redwood Road, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21228 Redwood Road, Castro Valley, CA 94546
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Address

Primary address 21228 Redwood Road, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-605-7-10

Sales & Tax Overview for 21228 Redwood Road, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Property tax $12,595

Lot & Building Information for 21228 Redwood Road, Castro Valley

Building sqft 7,811
Acreage 1.14
Year built 1967
Stories 1
Construction type Wood/wood and steel frames
Elevator
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Castro Vly Unif SCH

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Other Property Data for 21228 Redwood Road, Castro Valley

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  • • Improvements for 21228 Redwood Road, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 21228 Redwood Road, Castro Valley

What is the year built & the total sq. ft. for 21228 Redwood Road, Castro Valley, CA 94546?

21228 Redwood Road, Castro Valley, CA 94546 was built in 1967 and has a total of 7,811 square feet.

What is the assessed value of 21228 Redwood Road, Castro Valley, CA 94546 and the property tax paid?

Assessed at $1,082,056, the tax amount paid for 21228 Redwood Road, Castro Valley, CA 94546 is $12,595.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 21228 Redwood Road, Castro Valley

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No recorded sales for this property.

Title Documents for 21228 Redwood Road, Castro Valley

Data not available for this property.

Property Taxes for 21228 Redwood Road, Castro Valley

Access detailed property tax data for 21228 Redwood Road, 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 $12,595
Market value $1,082,056

Assessment History for 21228 Redwood Road, Castro Valley

Here's the assessment & property tax history for 21228 Redwood Road, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $1,082,056 1.164 $12,595 -3.27%
2024-2025 $1,104,309 1.1791 $13,021 -47.73%
2023-2024 $1,059,734 2.3508 $24,912 +129.92%
2022-2023 $909,907 1.1908 $10,835 +0.10%
2021-2022 $913,568 1.1848 $10,824 -1.86%

Permits for 21228 Redwood Road, Castro Valley

The complete history of permits filed for 21228 Redwood Road, 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.

Demographics by Zip Code

Total population 44,855
Median age 41.7
Average household income $161,274
Family households 74.3%
Occupied housing units 15,565
Owner occupied units 66.3%
Average number of people per household 2.84
Median year structure built 1960
Median value for units with a mortgage $1,065,100
Median value for units without a mortgage $995,000

Risk

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FEMA flood zone(s) X (See more on map)
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 21228 Redwood Road, 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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Neighbors for 21228 Redwood Road, Castro Valley

Here are the neighbors for 21228 Redwood Road, Castro Valley.

Address Square feet Purchase date Purchase price
20411 Marshall St, Castro Valley 11,950 01/13/2021
19460 Solitaire CT, Castro Valley 1,698
19461 Parsons Ave, Castro Valley 1,580 11/14/2022
19530 Forest Ave, Castro Valley 1,548 04/11/2023
18625 Alcorn Pl, Castro Valley 2,457 06/25/2010 $774,000
4511 Malabar Ave, Castro Valley 18,493
3751 LA Costa Ave, Castro Valley 2,808 09/20/2012
18332 Carlton Ave, Castro Valley 1,459 05/24/2007 $472,500
4520 Seven Hills Rd, Castro Valley 1,642 04/06/2005 $750,000
21195 Elm St, Castro Valley
4518 Heyer Ave, Castro Valley 1,983 11/19/2021 $1,350,000
18338 Carlton Ave, Castro Valley 07/29/2022
19223 Carlton Ave, Castro Valley 1,781 08/14/2014 $690,000
20015 Meadowlark Dr, Castro Valley 2,408 08/06/2019
4476 Heyer Ave, Castro Valley 1,670 02/27/2018
3054 Todd CT, Castro Valley 2,629 12/24/2019 $1,070,000
5156 Proctor Rd, Castro Valley 3,460 09/23/2004 $717,000
19455 Parsons Ave, Castro Valley 1,126
3759 LA Costa Ave, Castro Valley 1,718 08/28/2019
18348 Carlton Ave, Castro Valley 07/29/2022

Nearby ZIP Codes for 21228 Redwood Road, Castro Valley

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