Alameda County  »  94546  »  Forest Ave  »  20347 Forest Ave

20347 Forest Avenue, Castro Valley, CA 94546 - Property report

Also known as: 20347 Forest Ave

Property image for 20347 Forest Avenue, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

2009

Acreage

0.06

General Information

Address
Primary address
20347 Forest Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-1072-18

Owner

Find out who owns 20347 Forest Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Base tax
$6,886
Current property tax
$6,804
Tax per sq. ft.
$4
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,838
Stories
2
Year built
2009
Building material
Wood/wood and steel frames
Last altered
2011
Rooms
7
Elevator
Bedrooms
4
Bathrooms
2.5
Lot
Acreage
0.06
Zoning & use
Zoning
Planned Development (PD-2206)
Units
1

Area overview

Walk score
71 /100.  Very Walkable
Transit score
41 /100.  Some Transit
Bike score
63 /100.  Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 20347 Forest Avenue, Castro Valley, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 20347 Forest Avenue, Castro Valley, CA 94546

No recently recorded sales for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
10/29/2024 Modification (deed of trust) XXXXXXXX XXXXXXX X XXXXXXX XXXXXXXXX XXXX
01/23/2024 Deed of trust XXXXXXXX XXXXXXX X XXX & XX XXXXXXX XXXXXXXXX XXXX
01/25/2022 Deed of trust XXXXXXXX XXXXXXX X XXX & XX XXXXX XXXXXXXX XXXXXXXX XXXXXXXXXXX
09/01/2021 Deed of trust XXXXXXXX XXXXXXX X XX XXXXXXXX XXXXXXXX
11/20/2020 Grant Deed XXXXXXXX XXXXXXX X XXXXXXXX XXXXXXX X XX
05/16/2017 Deed of Trust XXXXXXXX XXXXXXX XXXXXXX XXXXXXXX XXXXXXXX
05/16/2017 Quitclaim Deed XXXXXXXX XXXXXXX XXXXXXX XXXX XXX XXXX
09/30/2016 Deed of Trust XXXXXXXX XXXXXXX XXXXXXX XXXX XXXX
07/01/2015 Deed of Trust XXXXXXXX XXXXXXX XXXXXXX XXXX
07/01/2015 Grant Deed XXXXXXXX XXXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20347 Forest Avenue, Castro Valley, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Base tax
$6,886
Current property tax
$6,804
Tax per sq. ft.
$4
Recent tax assessments
Market value
$591,570
Land value
$177,471
Building value
$414,099

More about Alameda County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $591,570 1.164 $6,886 +0.69%
2024-2025 $579,974 1.1791 $6,838 -48.84%
2023-2024 $568,604 2.3508 $13,367 +101.36%
2022-2023 $557,456 1.1908 $6,638 +2.52%
2021-2022 $546,528 1.1848 $6,475 +2.28%
2020-2021 $540,928 1.1703 $6,330 -1.51%
2019-2020 $530,327 1.212 $6,428 +2.36%
2018-2019 $519,931 1.2077 $6,279 +2.65%
2017-2018 $509,738 1.2001 $6,117 +18.55%
2016-2017 $499,744 1.0326 $5,160 -5.16%
Permits

Permit information for 20347 Forest Avenue, Castro Valley, CA

No recently recorded permits for this property.

Neighborhood

Castro Valley residential market stats

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.

Median sale price

$1,013,750

-2.9% Y-o-Y

Median price/sq. ft.

$619

-9.8% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Castro Valley and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 20347 Forest Avenue, Castro Valley, CA 94546 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Marshall Elementary School 9 Public K-5 491 0.19
Early Bird Montessori School NR Private PK, K-1 30 0.58
Early Bird Montessori School NR Private PK, K-1 30 0.58
Redwood Christian Elementary School NR Private K-5 282 0.63
Special Education-Preschool-Laurel NR Public 1 0.69
Castro Valley Elementary School 6 Public K-5 472 0.69
Redwood Christian Schools NR Private K-12 706 0.73
Castro Valley Adult And Career Education NR Public 0 0.76
Alma Preschool NR Public 52 0.77
Our Lady Of Grace School NR Private K-8 218 0.80
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.48
Special Education-Preschool-Laurel NR Public 1 0.69
Redwood Christian Schools NR Private K-12 706 0.73
Castro Valley Adult And Career Education NR Public 0 0.76
Alma Preschool NR Public 52 0.77
Our Lady Of Grace School NR Private K-8 218 0.80
Northstar School NR Private PK-8 152 1.02
Canyon Middle School 6 Public 6-8 1,332 1.11
Anchor Education, Inc. NR Private 3-12 18 1.25
Sterling West San Francisco Campus NR Private 3-11 27 1.26
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.69
Castro Valley High School 9 Public 9-12 2,799 0.73
Redwood Christian Schools NR Private K-12 706 0.73
Castro Valley Adult And Career Education NR Public 0 0.76
Alma Preschool NR Public 52 0.77
Anchor Education, Inc. NR Private 3-12 18 1.25
Sterling West San Francisco Campus NR Private 3-11 27 1.26
Anchor Education, Inc. School NR Private 3-12 0 1.26
Stellar Preparatory High School NR Private 9 0 1.40
Castro Valley Virtual Academy 7 Public K-12 67 1.66

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 20347 Forest Avenue, Castro Valley, CA

3996 Clara Lee Ln, Castro Valley 20271 Forest Ave, Castro Valley 20275 Forest Ave, Castro Valley 20281 Forest Ave, Castro Valley 3991 Clara Lee Ln, Castro Valley 3979 Clara Lee Ln, Castro Valley 20269 Forest Ave, Castro Valley 20273 Forest Ave, Castro Valley 20283 Forest Ave, Castro Valley 3975 Clara Lee Ln, Castro Valley 17595 Almond Rd, Castro Valley 17611 Almond Rd, Castro Valley 3988 Clara Lee Ln, Castro Valley 20285 Forest Ave, Castro Valley 20279 Forest Ave, Castro Valley 3976 Clara Lee Ln, Castro Valley 3983 Clara Lee Ln, Castro Valley 3982 Clara Lee Ln, Castro Valley 3987 Clara Lee Ln, Castro Valley 20267 Forest Ave, Castro Valley

Nearby ZIP codes for 20347 Forest Avenue, Castro Valley, CA

94542, Alameda County, CA 94579, Alameda County, CA 94601, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA

Frequently asked questions

What is the year built for 20347 Forest Avenue, Castro Valley, CA 94546?

The development at 20347 Forest Avenue, Castro Valley, CA 94546 was built in 2009.

What is the total square footage of 20347 Forest Avenue, Castro Valley, CA 94546?

20347 Forest Avenue, Castro Valley, CA 94546 has a total of 1,838 square feet.

What is the assessed value of 20347 Forest Avenue, Castro Valley, CA 94546?

20347 Forest Avenue, Castro Valley, CA 94546 is currently assessed at $591,570.

What are the property taxes for 20347 Forest Avenue, Castro Valley, CA 94546?

The property taxes for 20347 Forest Avenue, Castro Valley, CA 94546 total $6,885.

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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