Alameda County  »  1848 Knox St

1848 Knox Street, Castro Valley, CA 94546 Property Information

1848 Knox Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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1848 Knox Street, Castro Valley, CA 94546
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Address

Primary address 1848 Knox Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-100-112

Sales & Tax Overview for 1848 Knox 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 03/12/2019
Sale price $825,000
Arm's length
Property tax $10,850

Lot & Building Information for 1848 Knox Street, Castro Valley

Building sqft 1,389
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.17
Units 1
Year built 1953
Stories 1
Bedrooms 3
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Four Family Residential (R3)
School district Hayward Unif SCH

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Other Property Data for 1848 Knox Street, Castro Valley

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  • • Improvements for 1848 Knox Street, Castro Valley , including their type, square footage, grade and when they were built.
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About 1848 Knox Street, Castro Valley

What is the year built & the total sq. ft. for 1848 Knox Street, Castro Valley, CA 94546?

1848 Knox Street, Castro Valley, CA 94546 was built in 1953 and has a total of 1,389 square feet.

What is the assessed value of 1848 Knox Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $925,482, the tax amount paid for 1848 Knox Street, Castro Valley, CA 94546 is $10,850.

When was 1848 Knox Street, Castro Valley, CA 94546 last sold and what was the last sale price?

1848 Knox Street, Castro Valley, CA 94546 was last sold in 03/12/2019 for $825,000.

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
Eliza Theiss, Jul 08, 2026 2026 Q2 Foreclosure Report: Bronx Caseload Hits 7-Year High, Brooklyn & Manhattan Slow to 4-Year Low
Manhattan yet again slowed to become the city’s least active foreclosure market, Brooklyn’s caseload dropped so low it barely edged out Staten Island, while the Bronx heated up enough to surpass all boroughs except Queens.
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Past Sales & Property History for 1848 Knox Street, Castro Valley

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Purchase date Purchase price Buyer name Seller name
03/12/2019 $825,000
04/09/1997 $172,000
04/20/1988 $150,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 1848 Knox 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
03/12/2019 Deed of Trust 04/01/2049
03/12/2019 Grant Deed
10/16/2018 Trust Transfer Deed
09/20/2013 Grant Deed
04/23/2004 Deed
05/14/2002 Deed
04/09/1997 Deed
04/20/1988 Deed
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R: Recorded date
D: Document date

Property Taxes for 1848 Knox Street, Castro Valley

Access detailed property tax data for 1848 Knox Street, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $10,850
Market value $925,482

Assessment History for 1848 Knox Street, Castro Valley

Here's the assessment & property tax history for 1848 Knox 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 $925,482 1.1724 $10,850 +0.98%
2024-2025 $907,338 1.1842 $10,745 -22.76%
2023-2024 $889,550 1.5638 $13,911 +34.17%
2022-2023 $872,110 1.1888 $10,368 +0.81%
2021-2022 $855,011 1.2028 $10,284 +1.74%

Permits for 1848 Knox Street, Castro Valley

The complete history of permits filed for 1848 Knox 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
04/14/2022
       
       
       
       
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Castro Valley residential market stats

Median Sale Price
$1,013,750
-2.9% YoY
Median Price/Sqft
$619
-9.8% YoY
Alameda County Median Sale Price
$955,000
-6.4% 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 1848 Knox 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) 0.2, 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 1848 Knox 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 (miles)
Vita Academy NR Private 1-6 0 0.24
The Montessori Giving Tree NR Private K-6 12 0.32
Special Education-Preschool-Laurel NR Public 1 0.42
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.51
All Saints Catholic School NR Private K-8 203 0.74

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.42
Stellar Preparatory High School NR Private 9 0 0.46
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.51
All Saints Catholic School NR Private K-8 203 0.74
Liber Community School NR Private 4-12 0 0.74

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.42
Stellar Preparatory High School NR Private 9 0 0.46
Liber Community School NR Private 4-12 0 0.74
Stellar Preparatory High School NR Private 9-11 26 0.87
Hayward High School 5 Public 9-12 1,712 0.96

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

Neighbors for 1848 Knox Street, Castro Valley

Here are the neighbors for 1848 Knox Street, Castro Valley.

Address Square feet Purchase date Purchase price
21870 Ada St, Castro Valley 1,028 09/16/2013
21933 Dolores St, Castro Valley 1,402 02/28/2013 $430,000
2374 Jeffer St, Castro Valley 1,018 03/05/2008
21855 Redwood Rd, Castro Valley 1,192 05/25/2007
21924 Ada St, Castro Valley 1,530 04/07/2025 $960,000
21720 Orange Ave, Castro Valley 2,110 06/08/2022 $1,220,000
21937 Dolores St, Castro Valley 1,122 08/15/2019 $635,000
2382 Jeffer St, Castro Valley 1,018 03/16/2020 $58,000
2398 Jeffer St, Castro Valley 1,818 06/10/2021
21977 Redwood Rd, Castro Valley 1,200 05/05/2026
22292 N 6th St, Castro Valley 2,822 06/04/2024
21861 Redwood Rd, Castro Valley 1,288 07/16/2024 $820,000
21916 Ada St, Castro Valley 1,028 01/13/2023
21945 Dolores St, Castro Valley 1,000 12/04/2017
1856 Knox St, Castro Valley 884 12/08/2021 $770,000
21956 Ada St, Castro Valley 1,060 12/20/2022 $737,000
22140 Belle St, Castro Valley 1,288 05/17/2021 $1,075,000
22195 Redwood Rd, Castro Valley 1,288 03/07/2014 $405,000
21852 Ada St, Castro Valley 905 02/03/2022 $845,000
21967 Redwood Rd, Castro Valley 1,200 12/27/2002

Nearby ZIP Codes for 1848 Knox Street, Castro Valley

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