Alameda County  »  94546  »  Gem Ave  »  4272 Gem Ave

4272 Gem Avenue, Castro Valley, CA 94546 - Property report

Also known as: 4272 Gem Ave

Property image for 4272 Gem Avenue, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1947

Acreage

0.14

Sale price

$159,000

General Information

Address
Primary address
4272 Gem Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-669-26

Owner

Find out who owns 4272 Gem Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/30/1993
Sale price
$159,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$3,261
Current property tax
$3,179
Tax per sq. ft.
$4
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
928
Stories
1
Year built
1947
Building material
Wood/wood and steel frames
Rooms
4
Elevator
Bedrooms
2
Bathrooms
1
Lot
Acreage
0.14
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

Walk score
68 /100.  Somewhat Walkable
Transit score
33 /100.  Some Transit
Bike score
47 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 4272 Gem Avenue, Castro Valley, CA

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

Sales history for 4272 Gem Avenue, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
07/30/1993 $159,000 XXXXXXXXXX, XXXXXX XXXXXXXX, X

*Most recent sale on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
09/19/2023 Grant Deed to Revocable Trust XXXXXXXXXX XXXXXX XXX XXXXXXXXXX XXXXXX XXX XX
04/02/1999 Deed XXXXXXXXXXXXXX, XXXX X XXXXXXXXXX, XXXXXX X
07/30/1993 Deed XXXXXXXX, X XXXXXXXXXX, XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4272 Gem 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
$3,261
Current property tax
$3,179
Tax per sq. ft.
$4
Recent tax assessments
Market value
$280,128
Land value
$84,040
Building value
$196,088

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 $280,128 1.164 $3,261 +0.69%
2024-2025 $274,636 1.1791 $3,238 -48.84%
2023-2024 $269,253 2.3508 $6,330 +101.36%
2022-2023 $263,974 1.1908 $3,143 +2.52%
2021-2022 $258,799 1.1848 $3,066 +2.28%
2020-2021 $256,145 1.1703 $2,998 -1.51%
2019-2020 $251,124 1.212 $3,044 +2.36%
2018-2019 $246,200 1.2077 $2,973 +2.65%
2017-2018 $241,374 1.2001 $2,897 +18.55%
2016-2017 $236,642 1.0326 $2,444 -5.16%
Permits

Permit information for 4272 Gem Avenue, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
07/01/2026
06/30/2026
11/25/2025
01/27/2022

*Most recent permits on record 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 4272 Gem 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 0.17
Early Bird Montessori School NR Private PK, K-1 30 0.36
Early Bird Montessori School NR Private PK, K-1 30 0.36
Vannoy Elementary School 7 Public K-5 441 0.64
Independent Elementary School 8 Public K-5 634 0.67
Redwood Christian Elementary School NR Private K-5 282 0.76
Castro Valley Adult And Career Education NR Public 0 0.80
Redwood Christian Schools NR Private K-12 706 0.83
Alma Preschool NR Public 52 0.83
Northstar School NR Private PK-8 152 0.84
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.13
Canyon Middle School 6 Public 6-8 1,332 0.78
Castro Valley Adult And Career Education NR Public 0 0.80
Redwood Christian Schools NR Private K-12 706 0.83
Alma Preschool NR Public 52 0.83
Northstar School NR Private PK-8 152 0.84
Special Education-Preschool-Laurel NR Public 1 0.87
Our Lady Of Grace School NR Private K-8 218 1.12
Anchor Education, Inc. NR Private 3-12 18 1.53
Sterling West San Francisco Campus NR Private 3-11 27 1.54
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.80
Redwood Christian Schools NR Private K-12 706 0.83
Alma Preschool NR Public 52 0.83
Special Education-Preschool-Laurel NR Public 1 0.87
Castro Valley High School 9 Public 9-12 2,799 0.94
Anchor Education, Inc. NR Private 3-12 18 1.53
Sterling West San Francisco Campus NR Private 3-11 27 1.54
Anchor Education, Inc. School NR Private 3-12 0 1.54
Stellar Preparatory High School NR Private 9 0 1.55
Roy A. Johnson High School NR Public 9-12 24 1.88

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

Neighbors for 4272 Gem Avenue, Castro Valley, CA

4288 Gem Ave, Castro Valley 4207 Gem Ave, Castro Valley 4210 Gem Ave, Castro Valley 4226 Gem Ave, Castro Valley 4296 Gem Ave, Castro Valley 4235 Omega Ave, Castro Valley 4219 Omega Ave, Castro Valley 4238 Gem Ave, Castro Valley 4323 Omega Ave, Castro Valley 4267 Omega Ave, Castro Valley 4204 Gem Ave, Castro Valley 20059 Garnet CT, Castro Valley 20057 Topaz CT, Castro Valley 3940 Castro Valley Blvd, Castro Valley 4315 Omega Ave, Castro Valley 4232 Gem Ave, Castro Valley 4222 Gem Ave, Castro Valley 4216 Gem Ave, Castro Valley 4292 Gem Ave, Castro Valley 4307 Omega Ave, Castro Valley

Nearby ZIP codes for 4272 Gem 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 4272 Gem Avenue, Castro Valley, CA 94546?

The development at 4272 Gem Avenue, Castro Valley, CA 94546 was built in 1947.

What is the total square footage of 4272 Gem Avenue, Castro Valley, CA 94546?

4272 Gem Avenue, Castro Valley, CA 94546 has a total of 928 square feet.

When was 4272 Gem Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

4272 Gem Avenue, Castro Valley, CA 94546 was last sold on 07/30/1993 for $159,000.

What is the assessed value of 4272 Gem Avenue, Castro Valley, CA 94546?

4272 Gem Avenue, Castro Valley, CA 94546 is currently assessed at $280,128.

What are the property taxes for 4272 Gem Avenue, Castro Valley, CA 94546?

The property taxes for 4272 Gem Avenue, Castro Valley, CA 94546 total $3,260.

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