Alameda County  »  18020 Center St

18020 Center Street, Castro Valley, CA 94546 Property Information

18020 Center Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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18020 Center Street, Castro Valley, CA 94546
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Address

Primary address 18020 Center Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-895-36

Sales & Tax Overview for 18020 Center Street, Castro Valley

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

Sale date 01/06/2026
Sale price $1,750,000
Arm's length
Current property tax $11,718

Lot & Building Information for 18020 Center Street, Castro Valley

Building sqft 2,838
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.24
Units 1
Year built 1985
Stories 1
Bedrooms 3
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Planned Development (PD-1578)
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 18020 Center Street, Castro Valley

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  • • Improvements for 18020 Center Street, Castro Valley , including their type, square footage, grade and when they were built.
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About 18020 Center Street, Castro Valley

What is the year built & the total sq. ft. for 18020 Center Street, Castro Valley, CA 94546?

18020 Center Street, Castro Valley, CA 94546 was built in 1985 and has a total of 2,838 square feet.

What is the assessed value of 18020 Center Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $1,013,740, the tax amount paid for 18020 Center Street, Castro Valley, CA 94546 is $11,799.

When was 18020 Center Street, Castro Valley, CA 94546 last sold and what was the last sale price?

18020 Center Street, Castro Valley, CA 94546 was last sold in 01/06/2026 for $1,750,000.

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.
Research 100M+ property records powered by:
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Past Sales & Property History for 18020 Center Street, Castro Valley

Create a free account to view the complete sales history for 18020 Center Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
01/06/2026 $1,750,000

Title Documents for 18020 Center Street, 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
01/06/2026 Deed of trust
Assignment of rents
Ucc fin stmt(1-2 pgs)
01/07/2027
01/06/2026 Deed of trust
Assignment of rents
Ucc fin stmt(1-2 pgs)
01/07/2027
01/06/2026 Grant Deed
01/06/2026 Appointment of trustee
12/22/2025 Reconveyance
12/22/2025 Substitution of trustee
10/31/2025 Reconveyance
01/04/2022 Reconveyance
04/08/2021 Deed of trust
09/14/2016 Deed of Trust 09/01/2031
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R: Recorded date
D: Document date

Property Taxes for 18020 Center Street, Castro Valley

Access detailed property tax data for 18020 Center Street, 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 $11,800
Current property tax $11,718
Market value $1,013,740

Assessment History for 18020 Center Street, Castro Valley

Here's the assessment & property tax history for 18020 Center Street, 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 $1,013,740 1.164 $11,800 +0.69%
2024-2025 $993,866 1.1791 $11,719 -48.84%
2023-2024 $974,385 2.3508 $22,906 +101.36%
2022-2023 $955,282 1.1908 $11,375 +2.52%
2021-2022 $936,557 1.1848 $11,096 +2.28%

Permits for 18020 Center Street, Castro Valley

The complete history of permits filed for 18020 Center Street, 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.

Data not available for this property.

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 18020 Center Street, 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 18020 Center Street, 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)
Vannoy Elementary School 7 Public K-5 441 0.59
Proctor Elementary School 8 Public K-5 584 0.73
Liberty School NR Private 1-12 0 0.80
Castro Valley Adult And Career Education NR Public 0 0.82
Alma Preschool NR Public 52 0.85

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 0.80
Castro Valley Adult And Career Education NR Public 0 0.82
Canyon Middle School 6 Public 6-8 1,332 0.85
Alma Preschool NR Public 52 0.85
Redwood Christian Schools NR Private K-12 706 0.95

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 0.80
Castro Valley Adult And Career Education NR Public 0 0.82
Alma Preschool NR Public 52 0.85
Redwood Christian Schools NR Private K-12 706 0.95
Castro Valley High School 9 Public 9-12 2,799 1.22

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

Neighbors for 18020 Center Street, Castro Valley

Here are the neighbors for 18020 Center Street, Castro Valley.

Address Square feet Purchase date Purchase price
4905 Elrod Dr, Castro Valley 1,985 04/28/2022
4884 James Ave, Castro Valley 1,388 11/07/2025
18806 Madison Ave, Castro Valley 1,238 06/11/1999 $299,000
17829 Center St, Castro Valley 2,585 04/26/2016
4909 Seaview Ave, Castro Valley 1,040 05/05/2014
5050 August CT, Castro Valley 1,832 05/23/2017 $750,000
4927 Seaview Ave, Castro Valley 1,073 07/27/1994 $190,000
17925 Center St, Castro Valley 2,965 01/20/1993
4933 Seaview Ave, Castro Valley 1,069 12/01/2017
5274 Dunnigan CT, Castro Valley 2,048 03/18/2003
17811 Center St, Castro Valley 3,350 01/27/2025 $1,770,000
18056 Judy St, Castro Valley 1,094 08/20/2018 $720,000
4114 Heyer Ave, Castro Valley 1,466
17909 Center St, Castro Valley 3,816 10/07/2013
17812 Center St, Castro Valley 2,384 06/14/2023
4974 Vannoy Ave, Castro Valley 1,364 07/08/2024
18250 Madison Ave, Castro Valley 4,446 09/23/2016
18693 Brickell Way, Castro Valley 2,728 07/16/2021 $1,315,000
18522 Madison Ave, Castro Valley 1,704 07/15/2022 $1,180,000
17955 Center St, Castro Valley 2,427 12/14/2018 $544,500

Nearby ZIP Codes for 18020 Center Street, Castro Valley

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