Alameda County  »  20668 Forest Ave

20668 Forest Avenue, Castro Valley, CA 94546 Property Information

20668 Forest Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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20668 Forest Avenue, Castro Valley, CA 94546
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Address

Primary address 20668 Forest Avenue, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-716-10

Sales & Tax Overview for 20668 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 09/26/2012
Sale price $2,300,000
Arm's length
Property tax $32,809

Lot & Building Information for 20668 Forest Avenue, Castro Valley

Building sqft 10,692
Building class Multiple Residential Building of 5 or More Units (7700)
Acreage 0.93
Rooms 62
Units 19
Year built 1961
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 20668 Forest Avenue, Castro Valley

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  • • Improvements for 20668 Forest Avenue, Castro Valley , including their type, square footage, grade and when they were built.
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About 20668 Forest Avenue, Castro Valley

What is the year built & the total sq. ft. for 20668 Forest Avenue, Castro Valley, CA 94546?

20668 Forest Avenue, Castro Valley, CA 94546 was built in 1961 and has a total of 10,692 square feet.

What is the assessed value of 20668 Forest Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $2,818,628, the tax amount paid for 20668 Forest Avenue, Castro Valley, CA 94546 is $32,808.

When was 20668 Forest Avenue, Castro Valley, CA 94546 last sold?

20668 Forest Avenue, Castro Valley, CA 94546 was last sold in 03/31/2015.

How many residential units does this building have?

This building has 19 residential unit(s).

Ownership Information

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Real Estate Reports:
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.
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.
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Past Sales & Property History for 20668 Forest Avenue, Castro Valley

Create a free account to view the complete sales history for 20668 Forest Avenue, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
09/26/2012 $2,300,000

Title Documents for 20668 Forest Avenue, Castro Valley

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
06/02/2017 Assignment Lease
Deed of Trust
Ucc Fin STMT(1-2 PGS)
03/31/2015 Grant Deed
09/26/2012 Grant Deed
               
               
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R: Recorded date
D: Document date

Property Taxes for 20668 Forest Avenue, Castro Valley

Access detailed property tax data for 20668 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 $32,809
Market value $2,818,628

Assessment History for 20668 Forest Avenue, Castro Valley

Here's the assessment & property tax history for 20668 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 $2,818,628 1.164 $32,809 +0.69%
2024-2025 $2,763,372 1.1791 $32,583 -48.84%
2023-2024 $2,709,191 2.3508 $63,688 +101.36%
2022-2023 $2,656,086 1.1908 $31,629 +2.52%
2021-2022 $2,604,012 1.1848 $30,852 +1.94%

Permits for 20668 Forest Avenue, Castro Valley

The complete history of permits filed for 20668 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
$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) 0.2, 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 20668 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

Neighbors for 20668 Forest Avenue, Castro Valley

Here are the neighbors for 20668 Forest Avenue, Castro Valley.

Address Square feet Purchase date Purchase price
9990 Crow Canyon Rd, Castro Valley 4,762 04/30/2019 $2,438,000
25180 Palomares Rd, Castro Valley 2,813 12/05/2014 $525,000
20670 Forest Ave, Castro Valley 1,470 11/26/2014 $505,500
19388 Lake Chabot Rd, Castro Valley 1,606
4868 Proctor Rd, Castro Valley 2,387 02/27/2024
4008 E Castro Valley Blvd, Castro Valley
25100 Palomares Rd, Castro Valley 2,533 07/18/2025 $1,935,000
21019 Baker Rd, Castro Valley 38,526
22083 Betlen Way, Castro Valley

Nearby ZIP Codes for 20668 Forest Avenue, Castro Valley

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