Alameda County  »  94546  »  Garnet CT  »  20046 Garnet CT

20046 Garnet Court, Castro Valley, CA 94546 - Property report

Also known as: 20046 Garnet CT

Property image for 20046 Garnet Court, Castro Valley, CA 94546
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1947

Acreage

1.37

Sale price

$380,000

General Information

Address
Primary address
20046 Garnet Ct
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-669-44

Owner

Find out who owns 20046 Garnet Court, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/17/2008
Sale price
$380,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$5,912
Current property tax
$5,831
Tax per sq. ft.
$5
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,080
Stories
10
Year built
1947
Building material
Wood/wood and steel frames
Last altered
1975
Rooms
6
Elevator
Bedrooms
3
Bathrooms
10
Lot
Acreage
1.37
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

Walk score
61 /100.  Somewhat Walkable
Transit score
36 /100.  Some Transit
Bike score
42 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 20046 Garnet Court, Castro Valley, CA

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

Sales history for 20046 Garnet Court, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
10/17/2008 $380,000 XXXXXXX, XXXXX X XXXXX XXXXX XXXX XX
07/10/2008 $378,159 XXXXX XXXXX XXXX XX XX XX XXXXXXX XX
09/22/2004 $482,000 XXXXXX, XXXX X XXXXXXX, XXXXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
10/17/2008 Deed XXXXX XXXXX XXXX XX XXXXXXX, XXXXX X
07/10/2008 Deed XX XXXXXXX XX XXXXX XXXXX XXXX XX XX
12/09/2005 Deed XXXXXX, XXXX X XXXXXX, XXXX X
09/22/2004 Deed XXXXXXX, XXXXXX X XXXXXX, XXXX X
05/28/2003 Deed XXXXX, XXXX X & XXXXXXX X XXXXXXX, XXXXXX X
05/25/2001 Deed XXXXXXX, XXXXXXXXX X XXXXX, XXXX X & XXXXXXX X
04/17/1997 Deed XXXXX, XXXXX X XXXXXXX, XXXXXXXXX X
10/18/1995 Deed XXXXX, XXXXX X XXXXX, XXXXX X
09/22/1993 Deed XXXXX, XXXXX X XXXXX, XXXXX
11/20/1992 Deed XXXXXX, XXXXXXX X XXXXX, XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20046 Garnet Court, Castro Valley, CA

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

Current property tax
Tax year
2026-2027
Base tax
$5,912
Current property tax
$5,831
Tax per sq. ft.
$5
Recent tax assessments
Market value
$507,924
Land value
$149,729
Building value
$358,195

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 $497,967 1.164 $5,796 +0.69%
2024-2025 $488,206 1.1791 $5,756 -48.84%
2023-2024 $478,634 2.3508 $11,252 +101.36%
2022-2023 $469,252 1.1908 $5,588 +2.51%
2021-2022 $460,052 1.1848 $5,451 +2.29%
2020-2021 $455,339 1.1703 $5,329 -1.51%
2019-2020 $446,413 1.212 $5,411 +2.36%
2018-2019 $437,662 1.2077 $5,286 +2.65%
2017-2018 $429,080 1.2001 $5,149 +18.54%
2016-2017 $420,669 1.0326 $4,344 -3.49%
Permits

Permit information for 20046 Garnet Court, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
06/12/2017

*Most recent permit 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 20046 Garnet Court, 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 0.06
Early Bird Montessori School NR Private PK, K-1 30 0.41
Early Bird Montessori School NR Private PK, K-1 30 0.41
Redwood Christian Elementary School NR Private K-5 282 0.70
Vannoy Elementary School 7 Public K-5 441 0.70
Castro Valley Adult And Career Education NR Public 0 0.77
Independent Elementary School 8 Public K-5 634 0.78
Redwood Christian Schools NR Private K-12 706 0.78
Alma Preschool NR Public 52 0.79
Special Education-Preschool-Laurel NR Public 1 0.80
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.24
Castro Valley Adult And Career Education NR Public 0 0.77
Redwood Christian Schools NR Private K-12 706 0.78
Alma Preschool NR Public 52 0.79
Special Education-Preschool-Laurel NR Public 1 0.80
Canyon Middle School 6 Public 6-8 1,332 0.88
Northstar School NR Private PK-8 152 0.89
Our Lady Of Grace School NR Private K-8 218 1.02
Anchor Education, Inc. NR Private 3-12 18 1.43
Sterling West San Francisco Campus NR Private 3-11 27 1.45
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.77
Redwood Christian Schools NR Private K-12 706 0.78
Alma Preschool NR Public 52 0.79
Special Education-Preschool-Laurel NR Public 1 0.80
Castro Valley High School 9 Public 9-12 2,799 0.86
Anchor Education, Inc. NR Private 3-12 18 1.43
Sterling West San Francisco Campus NR Private 3-11 27 1.45
Anchor Education, Inc. School NR Private 3-12 0 1.45
Stellar Preparatory High School NR Private 9 0 1.50
Roy A. Johnson High School NR Public 9-12 24 1.80

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

Neighbors for 20046 Garnet Court, Castro Valley, CA

20117 Center St, Castro Valley 4060 Meadowview Dr, Castro Valley 4030 Greenacre Rd, Castro Valley 20018 Opal CT, Castro Valley 4078 Greenacre Rd, Castro Valley 4214 Veronica Ave, Castro Valley 20172 Brittany CT, Castro Valley 4117 David St, Castro Valley 4297 Gem Ave, Castro Valley 4038 Greenacre Rd, Castro Valley 20184 Brittany CT, Castro Valley 20182 Sheldon CT, Castro Valley 20159 Sheldon CT, Castro Valley 20025 Center St, Castro Valley 20021 Onyx CT, Castro Valley 20161 Brittany CT, Castro Valley 20077 Onyx CT, Castro Valley 4299 Omega Ave, Castro Valley 20173 Center St, Castro Valley 20125 Center St, Castro Valley

Nearby ZIP codes for 20046 Garnet Court, Castro Valley, CA

94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94552, Alameda County, CA 94577, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94601, Alameda County, CA 94603, Alameda County, CA 94605, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA 94621, Alameda County, CA

Frequently asked questions

What is the year built for 20046 Garnet Court, Castro Valley, CA 94546?

The development at 20046 Garnet Court, Castro Valley, CA 94546 was built in 1947.

What is the total square footage of 20046 Garnet Court, Castro Valley, CA 94546?

20046 Garnet Court, Castro Valley, CA 94546 has a total of 1,080 square feet.

When was 20046 Garnet Court, Castro Valley, CA 94546 last sold and what was the sale price?

20046 Garnet Court, Castro Valley, CA 94546 was last sold on 10/17/2008 for $380,000.

What is the assessed value of 20046 Garnet Court, Castro Valley, CA 94546?

20046 Garnet Court, Castro Valley, CA 94546 is currently assessed at $497,967.

What are the property taxes for 20046 Garnet Court, Castro Valley, CA 94546?

The property taxes for 20046 Garnet Court, Castro Valley, CA 94546 total $5,796.

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