Alameda County  »  20551 Forest Ave

20551 Forest Avenue, Castro Valley, CA 94546 Property Information

20551 Forest Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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20551 Forest Avenue, Castro Valley, CA 94546
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Address

Primary address 20551 Forest Avenue, Castro Valley
Alternate address(es) 20547 Forest Ave
Zip code 94546
County Alameda
Parcel ID 84C-724-77

Sales & Tax Overview for 20551 Forest Avenue, Castro Valley

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

Sale date 04/27/2007
Sale price $2,976,000
Arm's length
Property tax $46,095

Lot & Building Information for 20551 Forest Avenue, Castro Valley

Building sqft 18,852
Total sqft 26,625
Building class Multiple Residential Building of 5 or More Units (7700)
Acreage 1
Buildings on lot 2
Rooms 120
Units 21
Year built 1987
Stories 2
Construction type Wood/wood and steel frames
Elevator
Parking
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
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 20551 Forest Avenue, Castro Valley

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  • • Improvements for 20551 Forest Avenue, Castro Valley , including their type, square footage, grade and when they were built.
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About 20551 Forest Avenue, Castro Valley

What is the year built & the total sq. ft. for 20551 Forest Avenue, Castro Valley, CA 94546?

20551 Forest Avenue, Castro Valley, CA 94546 was built in 1987 and has a total of 18,852 square feet.

What is the assessed value of 20551 Forest Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $3,960,093, the tax amount paid for 20551 Forest Avenue, Castro Valley, CA 94546 is $46,095.

When was 20551 Forest Avenue, Castro Valley, CA 94546 last sold and what was the last sale price?

20551 Forest Avenue, Castro Valley, CA 94546 was last sold in 04/27/2007 for $2,976,000.

How many residential units does this building have?

This building has 21 residential unit(s).

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
Eliza Theiss, Jul 08, 2026 2026 Q2 Foreclosure Report: Bronx Caseload Hits 7-Year High, Brooklyn & Manhattan Slow to 4-Year Low
Manhattan yet again slowed to become the city’s least active foreclosure market, Brooklyn’s caseload dropped so low it barely edged out Staten Island, while the Bronx heated up enough to surpass all boroughs except Queens.
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Past Sales & Property History for 20551 Forest Avenue, Castro Valley

Create a free account to view the complete sales history for 20551 Forest Avenue, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/27/2007 $2,976,000
01/07/1988 $584,500
       
       
       
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Title Documents for 20551 Forest Avenue, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
06/04/2013 Assignment of Rents
Deed of Trust
Ucc Fin STMT(1-2 PGS)
04/27/2007 Deed
01/07/1988 Deed
               
               
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R: Recorded date
D: Document date

Property Taxes for 20551 Forest Avenue, Castro Valley

Access detailed property tax data for 20551 Forest Avenue, 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 $46,095
Market value $3,960,093

Assessment History for 20551 Forest Avenue, Castro Valley

Here's the assessment & property tax history for 20551 Forest Avenue, 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 $3,960,093 1.164 $46,095 +0.69%
2024-2025 $3,882,468 1.1791 $45,778 -48.84%
2023-2024 $3,806,351 2.3508 $89,480 +101.36%
2022-2023 $3,731,742 1.1908 $44,438 +2.52%
2021-2022 $3,658,581 1.1848 $43,347 +2.05%

Permits for 20551 Forest Avenue, Castro Valley

The complete history of permits filed for 20551 Forest Avenue, 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
$1,013,750
-2.9% YoY
Median Price/Sqft
$619
-9.8% YoY
Alameda County Median Sale Price
$955,000
-6.4% 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%
People per household (average) 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 20551 Forest Avenue, 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 20551 Forest Avenue, Castro Valley

Here are the neighbors for 20551 Forest Avenue, Castro Valley.

Address Square feet Purchase date Purchase price
3668 Castro Valley Blvd, Castro Valley 4,200 10/30/2024 $1,565,000
20283 Yeandle Ave, Castro Valley 1,392 04/26/2022
3762 Castro Valley Blvd, Castro Valley 3,570
3774 Castro Valley Blvd, Castro Valley 3,880 12/08/2016
20626 Yeandle Ave, Castro Valley 1,676 07/25/2018 $900,000
20553 Forest Ave, Castro Valley 4,873 11/03/2023
20383 Yeandle Ave, Castro Valley 2,644 06/11/2015
3638 Castro Valley Blvd, Castro Valley 1,800 08/17/1999
20661 Marshall St, Castro Valley 874 03/17/2026
20563 Yeandle Ave, Castro Valley
20673 Forest Ave, Castro Valley 2,139 11/19/2024 $1,395,000
3692 Castro Valley Blvd, Castro Valley 2,780 03/27/2025 $1,749,000
20557 Marshall St, Castro Valley 1,259 11/06/2019
20575 Forest Ave, Castro Valley 1,084 08/15/2025 $950,000
20675 Forest Ave, Castro Valley 2,254 04/30/2014 $728,000
20602 Yeandle Ave, Castro Valley 1,292 12/09/2020
20590 Yeandle Ave, Castro Valley 1,098 02/24/2017
20198 Meadowlark Dr, Castro Valley 2,096 08/28/2019
20637 Yeandle Ave, Castro Valley 1,292 08/12/1998
20638 Yeandle Ave, Castro Valley 1,292 07/18/2018 $600,000

Nearby ZIP Codes for 20551 Forest Avenue, Castro Valley

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