Alameda County  »  94546  »  Sydney Cir  »  18792 Sydney Cir

18792 Sydney Circle, Castro Valley, CA 94546 - Property report

Also known as: 18792 Sydney Cir

Property image for 18792 Sydney Circle, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential - Planned Development Tract with Common Area (1800)

Year built

1992

Acreage

0.08

Sale price

$918,500

General Information

Address
Primary address
18792 Sydney Cir
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84B-415-30

Owner

Find out who owns 18792 Sydney Circle, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/28/2020
Sale price
$918,500
Arm's length
Tax
Tax year
2025-2026
Base tax
$11,687
Current property tax
$11,606
Tax per sq. ft.
$6
Building
Property type
Single Family Residential - Planned Development Tract with Common Area
Building sq. ft.
1,997
Stories
2
Year built
1992
Building material
Wood/wood and steel frames
Rooms
7
Elevator
Bedrooms
4
Bathrooms
2.5
Lot
Acreage
0.08
Zoning & use
Zoning
Planned Development (PD-1794)
Units
1

Area overview

Walk score
38 /100.  Car-Dependent
Transit score
26 /100.  Some Transit
Bike score
14 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 18792 Sydney Circle, Castro Valley, CA

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

Sales history for 18792 Sydney Circle, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
02/28/2020 $918,500 XXXXX XXXXX; XX XXXXXXXX XXXX XXXXX; XXXX XXXX
10/12/2005 $730,000 XXXX, XXXX & XXXXX XXXX XXXXXX XXXXX
07/17/1991 $263,000 XXXX, XXX & XXXX XXXXX XXXXX XXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
02/28/2020 Grant Deed XXXX XXXXX XXXXX XXXXX
12/14/2012 Deed of Trust XXXX XXXXX XXXXXXX XXX
10/12/2005 Deed XXXX XXXXXX XXXXX XXXX, XXXX & XXXXX
07/17/1991 Deed XXXXX XXXXX XXXX XXXX, XXX & XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18792 Sydney Circle, 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
$11,687
Current property tax
$11,606
Tax per sq. ft.
$6
Recent tax assessments
Market value
$1,004,061
Land value
$301,218
Building value
$702,843

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 $1,004,061 1.164 $11,687 +0.69%
2024-2025 $984,377 1.1791 $11,607 -48.84%
2023-2024 $965,078 2.3508 $22,687 +101.36%
2022-2023 $946,156 1.1908 $11,267 +2.52%
2021-2022 $927,611 1.1848 $10,990 +2.96%
2020-2021 $912,120 1.1703 $10,675 -1.51%
2019-2020 $894,241 1.212 $10,838 +2.36%
2018-2019 $876,714 1.2077 $10,588 +10.28%
2017-2018 $800,000 1.2001 $9,601 +21.54%
2016-2017 $765,000 1.0326 $7,899 +2.82%
Permits

Permit information for 18792 Sydney Circle, 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 18792 Sydney Circle, 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 Virtual Academy 7 Public K-12 67 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.59
Sterling West San Francisco Campus NR Private 3-11 27 0.60
Chabot Elementary School 8 Public K-5 470 0.60
Stanton Elementary School 6 Public K-5 492 0.61
Anchor Education, Inc. NR Private 3-12 18 0.61
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.65
Montessori School Of San Leandro NR Private PK-K 130 0.73
Hillside Elementary School 2 Public K-5 371 0.98
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.59
Sterling West San Francisco Campus NR Private 3-11 27 0.60
Anchor Education, Inc. NR Private 3-12 18 0.61
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.65
International Bible Baptist Academy NR Private PK-8 25 1.03
Edendale Middle School 2 Public 6-8 500 1.30
Alma Preschool NR Public 52 1.54
Castro Valley Adult And Career Education NR Public 0 1.58
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roy A. Johnson High School NR Public 9-12 24 0.58
Redwood Continuation High School 3 Public 9-12 122 0.58
Castro Valley Virtual Academy 7 Public K-12 67 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.59
Sterling West San Francisco Campus NR Private 3-11 27 0.60
Anchor Education, Inc. NR Private 3-12 18 0.61
Seneca Family Of Agencies - James Baldwin Academy NR Private 4-12 75 0.65
Castro Valley High School 9 Public 9-12 2,799 1.24
Lighthouse Christian Academy NR Private K-12 30 1.27
Alma Preschool NR Public 52 1.54

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

Neighbors for 18792 Sydney Circle, Castro Valley, CA

18837 Sydney Cir, Castro Valley 18876 Stanton Ave, Castro Valley 18843 Sydney Cir, Castro Valley 18965 Sydney Cir, Castro Valley 18846 Sydney Cir, Castro Valley 18786 Sydney Cir, Castro Valley 18726 Sydney Cir, Castro Valley 18866 Stanton Ave, Castro Valley 18724 Stanton Ave, Castro Valley 18780 Sydney Cir, Castro Valley 18774 Sydney Cir, Castro Valley 18768 Sydney Cir, Castro Valley 18822 Sydney Cir, Castro Valley 18834 Sydney Cir, Castro Valley 2736 Pineridge Rd, Castro Valley 18756 Sydney Cir, Castro Valley 18825 Sydney Cir, Castro Valley 18971 Sydney Cir, Castro Valley 18930 Stanton Ave, Castro Valley 18840 Sydney Cir, Castro Valley

Nearby ZIP codes for 18792 Sydney Circle, 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 18792 Sydney Circle, Castro Valley, CA 94546?

The development at 18792 Sydney Circle, Castro Valley, CA 94546 was built in 1992.

What is the total square footage of 18792 Sydney Circle, Castro Valley, CA 94546?

18792 Sydney Circle, Castro Valley, CA 94546 has a total of 1,997 square feet.

When was 18792 Sydney Circle, Castro Valley, CA 94546 last sold and what was the sale price?

18792 Sydney Circle, Castro Valley, CA 94546 was last sold on 02/28/2020 for $918,500.

What is the assessed value of 18792 Sydney Circle, Castro Valley, CA 94546?

18792 Sydney Circle, Castro Valley, CA 94546 is currently assessed at $1,004,061.

What are the property taxes for 18792 Sydney Circle, Castro Valley, CA 94546?

The property taxes for 18792 Sydney Circle, Castro Valley, CA 94546 total $11,687.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

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.

Sign up for a free account