Alameda County  »  94546  »  Stanton Ave  »  20275 Stanton Ave

20275 Stanton Avenue, Castro Valley, CA 94546 - Property report

Also known as: 20273 Stanton Ave

Property image for 20275 Stanton Avenue, Castro Valley, CA 94546
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Property type

Double or Duplex Type - Two Units (2200)

Year built

1937

Acreage

0.11

Sale price

$319,500

General Information

Address
Primary address
20275 Stanton Ave
Castro Valley, CA 94546
Alternate address(es)
20273 Stanton Ave
Zip code
94546
County
Alameda
Parcel ID
84A-216-26

Owner

Find out who owns 20275 Stanton Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/21/2025
Sale price
$319,500
Arm's length
Tax
Tax year
2025-2026
Property tax
$13,279
Tax per sq. ft.
$8
Building
Property type
Double or Duplex Type - Two Units
Building sq. ft.
1,680
Stories
1
Year built
1937
Building material
Wood/wood and steel frames
Last altered
1957
Rooms
10
Elevator
Bedrooms
8
Bathrooms
4
Lot
Acreage
0.11
Zoning & use
Zoning
Two Family Residential (R2)
Units
2

Area overview

Walk score
72 /100.  Very Walkable
Transit score
32 /100.  Some Transit
Bike score
40 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 20275 Stanton Avenue, Castro Valley, CA

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

Sales history for 20275 Stanton Avenue, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
11/21/2025 $319,500 XXXXX XXXX X XX; XXXXX XXXX X XXXXX XXXXX XXXX XX; XXXXXXXXXX XXXXX XX; XXXXXX XXXXXXXX XXXXX; XXXXXXX XXXXXX XX; XXXXX XXXXXXX XX

*Most recent sale on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
11/21/2025 Grant Deed XXXXX XXXX XX XXXXX XXXX X XX
11/21/2025 Trust Transfer Deed XXXXX XXXX XX XXXXX XXXX XXXXX
02/13/2025 Grant Deed XXXXXXXX XXXXXX XXXXXXXXXX XXX XXXXX XXXX XX
04/04/2022 Grant Deed XXXXX XXXX XX XXXXXXXX XXXXXX XXXXXXXXXX XXX
04/04/2022 Appointment of trustee XXXXXX XXXXXXXX XX XXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20275 Stanton 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
$13,279
Tax per sq. ft.
$8
Recent tax assessments
Market value
$1,140,790
Land value
$342,237
Building value
$798,553

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 $1,140,790 1.164 $13,279 +0.69%
2024-2025 $1,118,430 1.1791 $13,187 -48.84%
2023-2024 $1,096,500 2.3508 $25,777 +1901.98%
2022-2023 $108,125 1.1908 $1,288 +2.51%
2021-2022 $106,005 1.1848 $1,256 +2.29%
2020-2021 $104,918 1.1703 $1,228 -1.51%
2019-2020 $102,861 1.212 $1,247 +2.36%
2018-2019 $100,846 1.2077 $1,218 +2.65%
2017-2018 $98,867 1.2001 $1,187 +18.54%
2016-2017 $96,930 1.0326 $1,001 -5.16%
Permits

Permit information for 20275 Stanton 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 20275 Stanton 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)
Crossroads Christian Elementary School NR Private K-6 0 0.28
Camelot School NR Private K 14 0.36
Stanton Elementary School 6 Public K-5 492 0.37
Castro Valley Elementary School 6 Public K-5 472 0.52
Our Lady Of Grace School NR Private K-8 218 0.53
Strobridge Elementary School NR Public K-6 362 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Chabot Elementary School 8 Public K-5 470 0.77
Castro Valley Virtual Academy 7 Public K-12 67 1.20
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Our Lady Of Grace School NR Private K-8 218 0.53
Anchor Education, Inc. School NR Private 3-12 0 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Anchor Education, Inc. NR Private 3-12 18 0.69
Castro Valley Virtual Academy 7 Public K-12 67 1.20
Liber Community School NR Private 4-12 0 1.20
Special Education-Preschool-Laurel NR Public 1 1.27
Alma Preschool NR Public 52 1.34
Castro Valley Adult And Career Education NR Public 0 1.37
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 1.44
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Anchor Education, Inc. School NR Private 3-12 0 0.68
Sterling West San Francisco Campus NR Private 3-11 27 0.69
Anchor Education, Inc. NR Private 3-12 18 0.69
Castro Valley High School 9 Public 9-12 2,799 0.97
Roy A. Johnson High School NR Public 9-12 24 1.20
Redwood Continuation High School 3 Public 9-12 122 1.20
Castro Valley Virtual Academy 7 Public K-12 67 1.20
Liber Community School NR Private 4-12 0 1.20
Redwood Christian Schools NR Private K-12 706 1.24
Special Education-Preschool-Laurel NR Public 1 1.27

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

Neighbors for 20275 Stanton Avenue, Castro Valley, CA

2445 San Carlos Ave, Castro Valley 20301 Stanton Ave, Castro Valley 2469 San Carlos Ave, Castro Valley 2537 Nordell Ave, Castro Valley 20453 Stanton Ave, Castro Valley 20347 Stanton Ave, Castro Valley 2431 Stanton Hill Rd, Castro Valley 2525 Denning CT, Castro Valley 20511 Stanton Ave, Castro Valley 2451 San Carlos Ave, Castro Valley 20351 Stanton Ave, Castro Valley 20095 Stanton Ave, Castro Valley 2577 Nordell Ave, Castro Valley 2463 San Carlos Ave, Castro Valley 2517 Denning CT, Castro Valley 2404 San Carlos Ave, Castro Valley 2980 Wisteria Ln, Castro Valley 20452 Almeda St, Castro Valley 2415 San Carlos Ave, Castro Valley 2498 McLoud Ave, Castro Valley

Nearby ZIP codes for 20275 Stanton 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 20275 Stanton Avenue, Castro Valley, CA 94546?

The development at 20275 Stanton Avenue, Castro Valley, CA 94546 was built in 1937.

What is the total square footage of 20275 Stanton Avenue, Castro Valley, CA 94546?

20275 Stanton Avenue, Castro Valley, CA 94546 has a total of 1,680 square feet.

When was 20275 Stanton Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

20275 Stanton Avenue, Castro Valley, CA 94546 was last sold on 11/21/2025 for $319,500.

What is the assessed value of 20275 Stanton Avenue, Castro Valley, CA 94546?

20275 Stanton Avenue, Castro Valley, CA 94546 is currently assessed at $1,140,790.

What are the property taxes for 20275 Stanton Avenue, Castro Valley, CA 94546?

The property taxes for 20275 Stanton Avenue, Castro Valley, CA 94546 total $13,278.

How many residential units does this building have?

This building has 2 residential unit(s).

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