Alameda County  »  20673 Forest Ave

20673 Forest Avenue, Castro Valley, CA 94546 Property Information

20673 Forest Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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20673 Forest Avenue, Castro Valley, CA 94546
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Address

Primary address 20673 Forest Avenue, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-724-72-2

Sales & Tax Overview for 20673 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 11/19/2024
Sale price $1,395,000
Arm's length
Property tax $16,238

Lot & Building Information for 20673 Forest Avenue, Castro Valley

Building sqft 2,139
Building class Triplex; Double or Duplex with Single Family Home (2300)
Acreage 0.17
Units 3
Year built 1962
Stories 1
Bedrooms 6
Bathrooms 3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Suburban Residential (RS-D20)
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 20673 Forest Avenue, Castro Valley

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  • • Improvements for 20673 Forest Avenue, Castro Valley , including their type, square footage, grade and when they were built.
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About 20673 Forest Avenue, Castro Valley

What is the year built & the total sq. ft. for 20673 Forest Avenue, Castro Valley, CA 94546?

20673 Forest Avenue, Castro Valley, CA 94546 was built in 1962 and has a total of 2,139 square feet.

What is the assessed value of 20673 Forest Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $1,395,000, the tax amount paid for 20673 Forest Avenue, Castro Valley, CA 94546 is $16,237.

When was 20673 Forest Avenue, Castro Valley, CA 94546 last sold and what was the last sale price?

20673 Forest Avenue, Castro Valley, CA 94546 was last sold in 11/19/2024 for $1,395,000.

How many residential units does this building have?

This building has 3 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 20673 Forest Avenue, Castro Valley

Create a free account to view the complete sales history for 20673 Forest Avenue, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
11/19/2024 $1,395,000
12/06/2006 $191,045
06/14/2005 $805,909
       
       
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*Here are the three most recent sales for this property.


Title Documents for 20673 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
11/19/2024 Grant Deed
11/19/2024 Power of attorney
11/19/2024 Power of attorney
12/06/2006 Deed
06/14/2005 Deed
06/14/2005 Deed
10/29/2002 Deed
12/07/2000 Deed
09/16/1999 Deed
08/26/1994 Deed
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R: Recorded date
D: Document date

Property Taxes for 20673 Forest Avenue, Castro Valley

Access detailed property tax data for 20673 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 $16,238
Market value $1,395,000

Assessment History for 20673 Forest Avenue, Castro Valley

Here's the assessment & property tax history for 20673 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 $1,395,000 1.164 $16,238 +26.56%
2024-2025 $1,088,124 1.1791 $12,830 -48.84%
2023-2024 $1,066,793 2.3508 $25,078 +101.36%
2022-2023 $1,045,880 1.1908 $12,454 +2.51%
2021-2022 $1,025,378 1.1848 $12,149 +2.29%

Permits for 20673 Forest Avenue, Castro Valley

The complete history of permits filed for 20673 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.

Issued Permit Type Status
04/05/2024
       
       
       
       
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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.

Risk

Create a free account to unlock extended information for 20673 Forest Avenue, 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).

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 20673 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.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Marshall Elementary School 9 Public K-5 491 0.27
Special Education-Preschool-Laurel NR Public 1 0.56
Early Bird Montessori School NR Private PK, K-1 30 0.69
Early Bird Montessori School NR Private PK, K-1 30 0.69
Castro Valley Elementary School 6 Public K-5 472 0.72

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.54
Special Education-Preschool-Laurel NR Public 1 0.56
Our Lady Of Grace School NR Private K-8 218 0.85
Redwood Christian Schools NR Private K-12 706 0.85
Castro Valley Adult And Career Education NR Public 0 0.88

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.56
Castro Valley High School 9 Public 9-12 2,799 0.83
Redwood Christian Schools NR Private K-12 706 0.85
Castro Valley Adult And Career Education NR Public 0 0.88
Alma Preschool NR Public 52 0.90

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

Neighbors for 20673 Forest Avenue, Castro Valley

Here are the neighbors for 20673 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
20551 Forest Ave, Castro Valley 18,852 04/27/2007 $2,976,000
3774 Castro Valley Blvd, Castro Valley 3,880 12/08/2016
20553 Forest Ave, Castro Valley 4,873 11/03/2023
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
4039 Marshall Ln, Castro Valley 1,686 11/21/2023
20383 Yeandle Ave, Castro Valley 2,644 06/11/2015
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
20672 Maria CT, Castro Valley 1,266 02/18/1994 $189,000
20348 Catalina Dr, Castro Valley 1,558 05/10/2018 $774,000
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 20673 Forest Avenue, Castro Valley

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