Alameda County  »  20998 Chester St

20998 Chester Street, Castro Valley, CA 94546 Property Information

20998 Chester Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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20998 Chester Street, Castro Valley, CA 94546
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Address

Primary address 20998 Chester Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84A-40-1

Sales & Tax Overview for 20998 Chester 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 10/30/2025
Sale price $766,000
Arm's length
Current property tax $4,903

Lot & Building Information for 20998 Chester Street, Castro Valley

Building sqft 955
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.1
Units 1
Year built 1949
Stories 1
Bedrooms 2
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Cv Central Business District? Subarea 11, W (S11-W)
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 20998 Chester Street, Castro Valley

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  • • Improvements for 20998 Chester Street, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 20998 Chester Street, Castro Valley

What is the year built & the total sq. ft. for 20998 Chester Street, Castro Valley, CA 94546?

20998 Chester Street, Castro Valley, CA 94546 was built in 1949 and has a total of 955 square feet.

What is the assessed value of 20998 Chester Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $428,240, the tax amount paid for 20998 Chester Street, Castro Valley, CA 94546 is $4,984.

When was 20998 Chester Street, Castro Valley, CA 94546 last sold and what was the last sale price?

20998 Chester Street, Castro Valley, CA 94546 was last sold in 10/30/2025 for $766,000.

Ownership Information

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Real Estate Reports:
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.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 20998 Chester Street, Castro Valley

Create a free account to view the complete sales history for 20998 Chester Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
10/30/2025 $766,000
09/19/2001 $290,000
08/01/2001 $205,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 20998 Chester 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
10/30/2025 Grant Deed
09/17/2021 Easement
07/30/2013 Deed of Trust 04/01/2043
03/08/2013 Grant Deed
03/08/2013 Deed of Trust 04/01/2043
03/08/2013 Grant Deed
09/19/2001 Deed
08/01/2001 Deed
02/01/1988 Deed
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R: Recorded date
D: Document date

Property Taxes for 20998 Chester Street, Castro Valley

Access detailed property tax data for 20998 Chester 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 $4,985
Current property tax $4,903
Market value $428,240

Assessment History for 20998 Chester Street, Castro Valley

Here's the assessment & property tax history for 20998 Chester 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 $428,240 1.164 $4,985 +0.69%
2024-2025 $419,844 1.1791 $4,950 -48.84%
2023-2024 $411,614 2.3508 $9,676 +101.36%
2022-2023 $403,542 1.1908 $4,805 +2.53%
2021-2022 $395,631 1.1848 $4,687 +2.28%

Permits for 20998 Chester Street, Castro Valley

The complete history of permits filed for 20998 Chester 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.

Issued Permit Type Status
06/09/2023
01/31/2023
02/08/2021
05/12/2017
       
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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 20998 Chester 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 20998 Chester 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)
Castro Valley Elementary School 6 Public K-5 472 0.38
Our Lady Of Grace School NR Private K-8 218 0.55
Strobridge Elementary School NR Public K-6 362 0.60
The Montessori Giving Tree NR Private K-6 12 0.60
Special Education-Preschool-Laurel NR Public 1 0.65

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Our Lady Of Grace School NR Private K-8 218 0.55
Special Education-Preschool-Laurel NR Public 1 0.65
Anchor Education, Inc. NR Private 3-12 18 1.01
Anchor Education, Inc. School NR Private 3-12 0 1.02
Sterling West San Francisco Campus NR Private 3-11 27 1.02

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Special Education-Preschool-Laurel NR Public 1 0.65
Castro Valley High School 9 Public 9-12 2,799 0.85
Anchor Education, Inc. NR Private 3-12 18 1.01
Anchor Education, Inc. School NR Private 3-12 0 1.02
Sterling West San Francisco Campus NR Private 3-11 27 1.02

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

Neighbors for 20998 Chester Street, Castro Valley

Here are the neighbors for 20998 Chester Street, Castro Valley.

Address Square feet Purchase date Purchase price
3303 Castro Valley Blvd, Castro Valley 16,080 08/30/2016
21132 Tyee CT, Castro Valley 1,683 06/13/2014 $580,000
2671 Cohoe CT, Castro Valley 1,305 08/17/2001
21188 Walker CT, Castro Valley 1,085 08/07/2025
20821 Chester St, Castro Valley 2,240 12/02/2024 $870,000
20928 Chester St, Castro Valley 6,377 10/30/2001 $890,000
20904 San Miguel Ave, Castro Valley 1,277 05/17/2019
20964 San Miguel Ave, Castro Valley 1,831 11/12/2015 $625,000
21079 Nunes Ave, Castro Valley 1,668 09/08/2017 $650,000
21196 Walker CT, Castro Valley 1,481 09/20/2012
20964 Chester St, Castro Valley 2,304 05/30/2014 $565,000
20954 Chester St, Castro Valley 5,332 09/06/2007 $240,000
20940 San Miguel Ave, Castro Valley 1,277 06/30/2023
20954 San Miguel Ave, Castro Valley 1,319 12/29/2021
20862 San Miguel Ave, Castro Valley 1,260 02/06/2023
20972 San Miguel Ave, Castro Valley 1,244 09/25/2018 $720,000
20957 Chester St, Castro Valley 10,406 01/05/2007 $2,150,000
20984 Chester St, Castro Valley 2,304 05/30/2014 $565,000
20824 Chester St, Castro Valley 13,201 02/04/2021 $4,050,000
20822 Chester St, Castro Valley 4,118 08/21/2015 $1,475,000

Nearby ZIP Codes for 20998 Chester Street, Castro Valley

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