Alameda County  »  18377 Carlwyn Dr

18377 Carlwyn Drive, Castro Valley, CA 94546 Property Information

18377 Carlwyn Drive, Castro Valley, CA 94546 Property Information

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  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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18377 Carlwyn Drive, Castro Valley, CA 94546
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Address

Primary address 18377 Carlwyn Drive, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84D-1105-24

Sales & Tax Overview for 18377 Carlwyn Drive, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 06/10/2008
Sale price $428,000
Arm's length
Current property tax $6,937

Lot & Building Information for 18377 Carlwyn Drive, Castro Valley

Building sqft 2,446
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.13
Units 1
Year built 1955
Stories 2
Bedrooms 5
Bathrooms 4
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (R1-CSU-RV)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 18377 Carlwyn Drive, Castro Valley

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  • • Improvements for 18377 Carlwyn Drive, Castro Valley , including their type, square footage, grade and when they were built.
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About 18377 Carlwyn Drive, Castro Valley

What is the year built & the total sq. ft. for 18377 Carlwyn Drive, Castro Valley, CA 94546?

18377 Carlwyn Drive, Castro Valley, CA 94546 was built in 1955 and has a total of 2,446 square feet.

What is the assessed value of 18377 Carlwyn Drive, Castro Valley, CA 94546 and the property tax paid?

Assessed at $602,976, the tax amount paid for 18377 Carlwyn Drive, Castro Valley, CA 94546 is $7,018.

When was 18377 Carlwyn Drive, Castro Valley, CA 94546 last sold?

18377 Carlwyn Drive, Castro Valley, CA 94546 was last sold in 05/27/2009.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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Past Sales & Property History for 18377 Carlwyn Drive, Castro Valley

Create a free account to view the complete sales history for 18377 Carlwyn Drive, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
06/10/2008 $428,000
05/17/2005 $665,000
05/15/1998 $272,500
       
       
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*Here are the three most recent sales for this property.


Title Documents for 18377 Carlwyn Drive, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
07/28/2017 Deed of Trust
05/27/2009 Deed
06/10/2008 Deed
05/17/2005 Deed
05/15/1998 Deed
06/29/1995 Deed
11/07/1994 Deed
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R: Recorded date
D: Document date

Property Taxes for 18377 Carlwyn Drive, Castro Valley

Access detailed property tax data for 18377 Carlwyn Drive, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $7,019
Current property tax $6,937
Market value $602,976

Assessment History for 18377 Carlwyn Drive, Castro Valley

Here's the assessment & property tax history for 18377 Carlwyn Drive, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $602,976 1.164 $7,019 +0.69%
2024-2025 $591,157 1.1791 $6,970 -48.84%
2023-2024 $579,567 2.3508 $13,624 +101.36%
2022-2023 $568,207 1.1908 $6,766 +2.52%
2021-2022 $557,066 1.1848 $6,600 +2.29%

Permits for 18377 Carlwyn Drive, Castro Valley

The complete history of permits filed for 18377 Carlwyn Drive, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Issued Permit Type Status
09/20/2024
       
       
       
       
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Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

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 County.

Check out recently sold homes in Castro-Valley and see how their prices compare.

Risk

Create a free account to unlock extended information for 18377 Carlwyn Drive, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 18377 Carlwyn Drive, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.06
Chabot Elementary School 8 Public K-5 470 0.50
Sterling West San Francisco Campus NR Private 3-11 27 0.58
Anchor Education, Inc. NR Private 3-12 18 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.59

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.06
Sterling West San Francisco Campus NR Private 3-11 27 0.58
Anchor Education, Inc. NR Private 3-12 18 0.58
Anchor Education, Inc. School NR Private 3-12 0 0.59
Our Lady Of Grace School NR Private K-8 218 1.03

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Virtual Academy 7 Public K-12 67 0.06
Redwood Continuation High School 3 Public 9-12 122 0.06
Roy A. Johnson High School NR Public 9-12 24 0.06
Sterling West San Francisco Campus NR Private 3-11 27 0.58
Anchor Education, Inc. NR Private 3-12 18 0.58

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 18377 Carlwyn Drive, Castro Valley

Here are the neighbors for 18377 Carlwyn Drive, Castro Valley.

Address Square feet Purchase date Purchase price
18118 Knight Dr, Castro Valley 2,926
3411 Marques CT, Castro Valley 1,650 05/08/2023
18593 Carlwyn Dr, Castro Valley 1,372 12/05/2016
3815 Denise Ln, Castro Valley 2,777 06/13/1995 $340,000
17773 Vineyard Rd, Castro Valley 1,930
17793 Vineyard Rd, Castro Valley 1,427 06/30/2021
18570 Carmel Dr, Castro Valley 1,384 08/05/2015 $625,000
18400 Clifton Way, Castro Valley 03/16/2021
3805 Knight Dr, Castro Valley 1,994 07/20/2004 $630,000
17886 Knight Dr, Castro Valley 3,349
4146 Krolop Rd, Castro Valley 1,565
3483 Marques CT, Castro Valley 1,582
18086 Knight Dr, Castro Valley 3,064 05/15/2013
4178 Krolop Rd, Castro Valley 1,224 09/21/2015 $560,000
3674 Seven Hills Rd, Castro Valley 1,371 10/07/2003 $455,000
3480 Middleton Ave, Castro Valley 980 04/30/2018 $522,000
18071 Knight Dr, Castro Valley 3,572 12/11/1997
18451 Clifton Way, Castro Valley 3,240 11/21/2022
18913 Walnut Rd, Castro Valley 1,272 09/04/2019 $775,000
18102 Knight Dr, Castro Valley 3,224 05/11/2017

Nearby ZIP Codes for 18377 Carlwyn Drive, Castro Valley

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