Alameda County  »  94546  »  Carlwyn Dr  »  18458 Carlwyn Dr

18458 Carlwyn Drive, Castro Valley, CA 94546 - Property report

Also known as: 18458 Carlwyn Dr

Property image for 18458 Carlwyn Drive, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1959

Acreage

1.19

Sale price

$915,000

General Information

Address
Primary address
18458 Carlwyn Dr
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84D-1107-11

Owner

Find out who owns 18458 Carlwyn Drive, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/14/2017
Sale price
$915,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$12,361
Current property tax
$12,279
Tax per sq. ft.
$6
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
2,170
Stories
10
Year built
1959
Building material
Wood/wood and steel frames
Last altered
1961
Rooms
6
Elevator
Bedrooms
3
Bathrooms
25
Lot
Acreage
1.19
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

Walk score
44 /100.  Car-Dependent
Transit score
18 /100.  Minimal Transit
Bike score
17 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH

Ownership information for 18458 Carlwyn Drive, Castro Valley, CA

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

Sales history for 18458 Carlwyn Drive, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
08/14/2017 $915,000 XXXXXXX XXXX X; XXXXXX XXXX X XXXXXX XXXXXXX X
08/13/2009 $550,000 XXXXXX, XXXXXXX X & XXXXXXXX X XXXXXXXXX, XXXXXXXXX X & XXXXXX X
11/29/1988 $245,000 XXXXXXXXX, XXXXXXXXX X & XXXXXX X XXXXXXX, X.&X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
03/31/2026 Deed of trust XXXXXXX XXXX X XXXX XX XXXXXXX X X
11/30/2021 Deed of trust XXXXXXX XXXX X XXXXXXXXX XXX XXX
08/14/2017 Deed of Trust XXXXXXX XXXX X XXXXX XXXXX XXXX X X
08/14/2017 Grant Deed XXXXXX XXXXXXX X XXXXXXX XXXX X
08/10/2016 Deed of Trust XXXXXX XXXXXXX X XXXX XXXX
05/03/2016 Grant Deed XXXXXX XXXXXXXX X XXXXXX XXXXXXX X
12/18/2014 Deed of Trust XXXXXX XXXXXXXX X X X XXXX XXXXXXXX XXXXXXXXXXX
07/25/2014 Deed of Trust XXXXXX XXXXXXXX X XXXX
08/13/2009 Deed XXXXXXXXX, XXXXXXXXX X & XXXXXX X XXXXXX, XXXXXXX X & XXXXXXXX X
11/29/1988 Deed XXXXXXX, X.&X XXXXXXXXX, XXXXXXXXX X & XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 18458 Carlwyn Drive, 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
$12,361
Current property tax
$12,279
Tax per sq. ft.
$6
Recent tax assessments
Market value
$1,061,911
Land value
$318,573
Building value
$743,338

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 $1,041,095 1.164 $12,118 +0.69%
2024-2025 $1,020,681 1.1791 $12,035 -48.84%
2023-2024 $1,000,671 2.3508 $23,524 +101.36%
2022-2023 $981,053 1.1908 $11,682 +2.51%
2021-2022 $961,820 1.1848 $11,396 +2.29%
2020-2021 $951,965 1.1703 $11,141 -1.51%
2019-2020 $933,300 1.212 $11,312 +2.36%
2018-2019 $915,000 1.2077 $11,050 +31.34%
2017-2018 $701,098 1.2001 $8,414 +35.87%
2016-2017 $599,708 1.0326 $6,193 -5.16%

Permit information for 18458 Carlwyn Drive, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
10/03/2024
07/13/2022

*Most recent permits on record for this property.

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

Access the detailed traffic volume map for 18458 Carlwyn Drive, 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 0.09
Chabot Elementary School 8 Public K-5 470 0.40
Sterling West San Francisco Campus NR Private 3-11 27 0.48
Anchor Education, Inc. NR Private 3-12 18 0.48
Anchor Education, Inc. School NR Private 3-12 0 0.49
The Montessori Giving Tree NR Private K-6 7 0.80
Stanton Elementary School 6 Public K-5 492 0.86
Our Lady Of Grace School NR Private K-8 218 0.92
Proctor Elementary School 8 Public K-5 584 0.98
Alma Preschool NR Public 52 1.06
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.09
Sterling West San Francisco Campus NR Private 3-11 27 0.48
Anchor Education, Inc. NR Private 3-12 18 0.48
Anchor Education, Inc. School NR Private 3-12 0 0.49
Our Lady Of Grace School NR Private K-8 218 0.92
Redwood Christian Schools NR Private K-12 706 1.00
Alma Preschool NR Public 52 1.06
Castro Valley Adult And Career Education NR Public 0 1.10
Creekside Middle School 8 Public 6-8 760 1.84
Edendale Middle School 2 Public 6-8 500 1.92
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Virtual Academy 7 Public K-12 67 0.09
Redwood Continuation High School 3 Public 9-12 122 0.09
Roy A. Johnson High School NR Public 9-12 24 0.09
Sterling West San Francisco Campus NR Private 3-11 27 0.48
Anchor Education, Inc. NR Private 3-12 18 0.48
Anchor Education, Inc. School NR Private 3-12 0 0.49
Castro Valley High School 9 Public 9-12 2,799 0.86
Redwood Christian Schools NR Private K-12 706 1.00
Alma Preschool NR Public 52 1.06
Castro Valley Adult And Career Education NR Public 0 1.10

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

Frequently asked questions

What is the year built for 18458 Carlwyn Drive, Castro Valley, CA 94546?

The development at 18458 Carlwyn Drive, Castro Valley, CA 94546 was built in 1959.

What is the total square footage of 18458 Carlwyn Drive, Castro Valley, CA 94546?

18458 Carlwyn Drive, Castro Valley, CA 94546 has a total of 2,170 square feet.

When was 18458 Carlwyn Drive, Castro Valley, CA 94546 last sold and what was the sale price?

18458 Carlwyn Drive, Castro Valley, CA 94546 was last sold on 08/14/2017 for $915,000.

What is the assessed value of 18458 Carlwyn Drive, Castro Valley, CA 94546?

18458 Carlwyn Drive, Castro Valley, CA 94546 is currently assessed at $1,041,095.

What are the property taxes for 18458 Carlwyn Drive, Castro Valley, CA 94546?

The property taxes for 18458 Carlwyn Drive, Castro Valley, CA 94546 total $12,118.

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