Alameda County  »  94546  »  Ashfield Ave  »  20887 Ashfield Ave

20887 Ashfield Avenue, Castro Valley, CA 94546 - Property report

Also known as: 20885 Ashfield Ave

Property image for 20887 Ashfield Avenue, Castro Valley, CA 94546
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Property type

Double or Duplex Type - Two Units (2200)

Year built

1958

Acreage

0.12

Sale price

$400,000

General Information

Address
Primary address
20887 Ashfield Ave
Castro Valley, CA 94546
Alternate address(es)
20885 Ashfield Ave
Zip code
94546
County
Alameda
Parcel ID
84A-40-45

Owner

Find out who owns 20887 Ashfield Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/06/2013
Sale price
$400,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$6,992
Tax per sq. ft.
$4
Building
Property type
Double or Duplex Type - Two Units
Building sq. ft.
1,748
Stories
1
Year built
1958
Building material
Wood/wood and steel frames
Rooms
8
Elevator
Bedrooms
4
Bathrooms
2
Lot
Acreage
0.12
Zoning & use
Zoning
Cv Central Business District? Subarea 11, W (S11-W)
Units
2

Area overview

Walk score
83 /100.  Very Walkable
Transit score
44 /100.  Some Transit
Bike score
74 /100.  Very Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 20887 Ashfield Avenue, Castro Valley, CA

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

Sales history for 20887 Ashfield Avenue, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
08/06/2013 $400,000 XXXXXXXX XXXX X XXXXX XXXX X
09/26/1989 $250,000 XXXXX, XXXX X XXXX, X.&X. XXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
04/04/2022 Grant Deed XXXXXXXX XXXX X XXXXXXXX XXXX X XX
08/06/2013 Deed of Trust XXXXXXXX XXXX X XXXX
08/06/2013 Grant Deed XXXXX XXXX X XXXXXXXX XXXX X
04/24/1997 Deed XXXXX, XXXXXXXX X XXXXX, XXXX X
09/26/1989 Deed XXXX, X.&X. XXXXX XXXXX, XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20887 Ashfield 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
Property tax
$6,992
Tax per sq. ft.
$4
Recent tax assessments
Market value
$600,646
Land value
$180,194
Building value
$420,452

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 $600,646 1.164 $6,992 +0.69%
2024-2025 $588,871 1.1791 $6,943 -48.84%
2023-2024 $577,327 2.3508 $13,572 +101.36%
2022-2023 $566,008 1.1908 $6,740 +2.51%
2021-2022 $554,914 1.1848 $6,575 +2.29%
2020-2021 $549,225 1.1703 $6,428 -2.00%
2019-2020 $538,460 1.218 $6,558 +2.87%
2018-2019 $527,905 1.2077 $6,376 +2.65%
2017-2018 $517,557 1.2001 $6,211 +5.07%
2016-2017 $507,408 1.165 $5,911 +7.00%
Permits

Permit information for 20887 Ashfield 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

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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 20887 Ashfield 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)
Castro Valley Elementary School 6 Public K-5 472 0.34
Our Lady Of Grace School NR Private K-8 218 0.51
Special Education-Preschool-Laurel NR Public 1 0.66
The Montessori Giving Tree NR Private K-6 12 0.68
Strobridge Elementary School NR Public K-6 362 0.68
Vita Academy NR Private 1-6 0 0.72
Marshall Elementary School 9 Public K-5 491 0.76
Crossroads Christian Elementary School NR Private K-6 0 0.78
Redwood Christian Elementary School NR Private K-5 282 0.86
Stanton Elementary School 6 Public K-5 492 0.95
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Our Lady Of Grace School NR Private K-8 218 0.51
Special Education-Preschool-Laurel NR Public 1 0.66
Redwood Christian Schools NR Private K-12 706 0.95
Anchor Education, Inc. NR Private 3-12 18 0.99
Anchor Education, Inc. School NR Private 3-12 0 1.00
Sterling West San Francisco Campus NR Private 3-11 27 1.00
Creekside Middle School 8 Public 6-8 760 1.05
Alma Preschool NR Public 52 1.05
Castro Valley Adult And Career Education NR Public 0 1.05
Faith Ringgold School of Arts and Science 1 Public K-8 111 1.29
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.66
Castro Valley High School 9 Public 9-12 2,799 0.78
Redwood Christian Schools NR Private K-12 706 0.95
Anchor Education, Inc. NR Private 3-12 18 0.99
Anchor Education, Inc. School NR Private 3-12 0 1.00
Sterling West San Francisco Campus NR Private 3-11 27 1.00
Alma Preschool NR Public 52 1.05
Castro Valley Adult And Career Education NR Public 0 1.05
Liber Community School NR Private 4-12 0 1.19
Castro Valley Virtual Academy 7 Public K-12 67 1.50

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

Neighbors for 20887 Ashfield Avenue, Castro Valley, CA

20991 Wilbeam Ave, Castro Valley 3295 Castro Valley Blvd, Castro Valley 20960 Chester St, Castro Valley 21181 Wilbeam Ave, Castro Valley 3148 Kerr St, Castro Valley 21041 Wilbeam Ave, Castro Valley 3228 Kerr St, Castro Valley 21071 Ashfield Ave, Castro Valley 20941 Ashfield Ave, Castro Valley 3126 Norbridge Ave, Castro Valley 3110 Norbridge Ave, Castro Valley 20933 Ashfield Ave, Castro Valley 21158 Ashfield Ave, Castro Valley 3160 Kerr St, Castro Valley 21143 Wilbeam Ave, Castro Valley 21180 Walker CT, Castro Valley 20877 Ashfield Ave, Castro Valley 21166 Ashfield Ave, Castro Valley 21029 Wilbeam Ave, Castro Valley 3335 Castro Valley Blvd, Castro Valley

Nearby ZIP codes for 20887 Ashfield 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 20887 Ashfield Avenue, Castro Valley, CA 94546?

The development at 20887 Ashfield Avenue, Castro Valley, CA 94546 was built in 1958.

What is the total square footage of 20887 Ashfield Avenue, Castro Valley, CA 94546?

20887 Ashfield Avenue, Castro Valley, CA 94546 has a total of 1,748 square feet.

When was 20887 Ashfield Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

20887 Ashfield Avenue, Castro Valley, CA 94546 was last sold on 08/06/2013 for $400,000.

What is the assessed value of 20887 Ashfield Avenue, Castro Valley, CA 94546?

20887 Ashfield Avenue, Castro Valley, CA 94546 is currently assessed at $600,646.

What are the property taxes for 20887 Ashfield Avenue, Castro Valley, CA 94546?

The property taxes for 20887 Ashfield Avenue, Castro Valley, CA 94546 total $6,991.

How many residential units does this building have?

This building has 2 residential unit(s).

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