Alameda County  »  20327 Forest Ave

20327 Forest Avenue, Castro Valley, CA 94546 Property Information

20327 Forest Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

20327 Forest Avenue, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 20327 Forest Avenue, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-1072-4

Sales & Tax Overview for 20327 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 10/10/2017
Sale price $4,320,000
Arm's length
Property tax $57,182

Lot & Building Information for 20327 Forest Avenue, Castro Valley

Building sqft 11,060
Total sqft 11,060
Building class Multiple Residential Building of 5 or More Units (7700)
Acreage 0.68
Buildings on lot 2
Rooms 62
Units 14
Year built 1957
Stories 2
Construction type Wood/wood and steel frames
Elevator
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

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 20327 Forest Avenue, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 20327 Forest Avenue, 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).
Unlock all property data with a free account.
Sign up

About 20327 Forest Avenue, Castro Valley

What is the year built & the total sq. ft. for 20327 Forest Avenue, Castro Valley, CA 94546?

20327 Forest Avenue, Castro Valley, CA 94546 was built in 1957 and has a total of 11,060 square feet.

What is the assessed value of 20327 Forest Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $4,912,514, the tax amount paid for 20327 Forest Avenue, Castro Valley, CA 94546 is $57,181.

When was 20327 Forest Avenue, Castro Valley, CA 94546 last sold and what was the last sale price?

20327 Forest Avenue, Castro Valley, CA 94546 was last sold in 10/10/2017 for $4,320,000.

How many residential units does this building have?

This building has 14 residential unit(s).

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

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.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 20327 Forest Avenue, Castro Valley

Create a free account to view the complete sales history for 20327 Forest Avenue, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
10/10/2017 $4,320,000

Title Documents for 20327 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
01/05/2021 Deed of trust
Ucc fin stmt(1-2 pgs)
Assignment lease
07/10/2018 Assignment Lease
Deed of Trust
Ucc Fin STMT(1-2 PGS)
10/26/2017 Assignment (Deed of Trust)
10/10/2017 Grant Deed
08/22/2017 Release Assignment Rents
08/22/2017 Reconveyance
09/24/2013 Release Assignment Rents
09/24/2013 Reconveyance
09/10/2013 Assignment of Rents
Deed of Trust
Ucc Fin STMT(1-2 PGS)
10/01/2043
01/25/2013 Assignment of Rents
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 20327 Forest Avenue, Castro Valley

Access detailed property tax data for 20327 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 $57,182
Market value $4,912,514

Assessment History for 20327 Forest Avenue, Castro Valley

Here's the assessment & property tax history for 20327 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 $4,912,514 1.164 $57,182 +0.69%
2024-2025 $4,816,604 1.1791 $56,793 -48.87%
2023-2024 $4,724,691 2.3508 $111,068 +101.43%
2022-2023 $4,630,414 1.1908 $55,139 +2.51%
2021-2022 $4,540,049 1.1848 $53,791 +2.28%

Permits for 20327 Forest Avenue, Castro Valley

The complete history of permits filed for 20327 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
$1,042,500
-3.4% YoY
Median Price/Sqft
$652
-4.7% YoY
Alameda County Median Sale Price
$1,020,000
-4.2% 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 45,848
Median age 42
Average household income $156,642
Family households 73.7%
Occupied housing units 15,918
Owner occupied units 65.8%
Average number of people per household 2
Median year structure built 1960
Median value for units with a mortgage $991,400
Median value for units without a mortgage $940,000

Risk

Create a free account to unlock extended information for 20327 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 20327 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 20327 Forest Avenue, Castro Valley

Here are the neighbors for 20327 Forest Avenue, Castro Valley.

Address Square feet Purchase date Purchase price
20281 Forest Ave, Castro Valley
20275 Forest Ave, Castro Valley 04/19/2002 $306,000
20271 Forest Ave, Castro Valley 08/25/2009 $285,000
20451 Forest Ave, Castro Valley 1,599 08/13/2015 $728,500
20487 Forest Ave, Castro Valley 6,085 03/10/1995 $605,000
18639 Alcorn Pl, Castro Valley 2,837 06/11/2010 $736,500
20283 Forest Ave, Castro Valley 1,193 11/27/2017
20273 Forest Ave, Castro Valley 1,193 01/11/2021 $688,000
20269 Forest Ave, Castro Valley 1,078 11/09/2004 $335,000
20556 Forest Ave, Castro Valley 1,319 01/23/2023
20277 Forest Ave, Castro Valley 1,193 09/23/2020 $635,000
18625 Alcorn Pl, Castro Valley 2,457 06/25/2010 $774,000
4511 Malabar Ave, Castro Valley 18,493
20279 Forest Ave, Castro Valley 1,193 08/11/2020
20285 Forest Ave, Castro Valley 1,231 11/13/2019
4520 Seven Hills Rd, Castro Valley 1,642 04/06/2005 $750,000
18683 Alcorn Pl, Castro Valley 2,457 12/27/2012
20219 Forest Ave, Castro Valley 06/12/2023
20397 Forest Ave, Castro Valley 3,038 06/22/2021
5156 Proctor Rd, Castro Valley 3,460 09/23/2004 $717,000

Nearby ZIP Codes for 20327 Forest Avenue, Castro Valley

Not sure if we cover all the data-points you need? View sample full report View sample full report