Alameda County  »  1797 Knox St

1797 Knox Street, Castro Valley, CA 94546 Property Information

1797 Knox Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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1797 Knox Street, Castro Valley, CA 94546
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Address

Primary address 1797 Knox Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-220-89

Sales & Tax Overview for 1797 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 09/29/1992
Sale price $253,636
Arm's length
Property tax $4,561

Lot & Building Information for 1797 Knox Street, Castro Valley

Building sqft 1,998
Building class Double or Duplex Type - Two Units (2200)
Acreage 0.11
Units 2
Year built 1974
Stories 2
Bedrooms 4
Bathrooms 3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Suburban Residential (RS-D20)
School district Hayward Unif SCH

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

Other Property Data for 1797 Knox Street, Castro Valley

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About 1797 Knox Street, Castro Valley

What is the year built & the total sq. ft. for 1797 Knox Street, Castro Valley, CA 94546?

1797 Knox Street, Castro Valley, CA 94546 was built in 1974 and has a total of 1,998 square feet.

What is the assessed value of 1797 Knox Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $389,004, the tax amount paid for 1797 Knox Street, Castro Valley, CA 94546 is $4,560.

When was 1797 Knox Street, Castro Valley, CA 94546 last sold?

1797 Knox Street, Castro Valley, CA 94546 was last sold in 09/11/2015.

How many residential units does this building have?

This building has 2 residential unit(s).

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 1797 Knox Street, Castro Valley

Create a free account to view the complete sales history for 1797 Knox Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
09/29/1992 $253,636

Title Documents for 1797 Knox Street, Castro Valley

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
09/11/2015 Quitclaim Deed
10/01/2014 Trust Transfer Grant Deed
10/01/2014 Affidavit of Death
09/29/1992 Deed
               
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R: Recorded date
D: Document date

Property Taxes for 1797 Knox Street, Castro Valley

Access detailed property tax data for 1797 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 $4,561
Market value $389,004

Assessment History for 1797 Knox Street, Castro Valley

Here's the assessment & property tax history for 1797 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 $389,004 1.1724 $4,561 +0.98%
2024-2025 $381,377 1.1842 $4,516 -22.76%
2023-2024 $373,900 1.5638 $5,847 +34.17%
2022-2023 $366,570 1.1888 $4,358 +0.80%
2021-2022 $359,382 1.2028 $4,323 +1.18%

Permits for 1797 Knox Street, Castro Valley

The complete history of permits filed for 1797 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.

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 1797 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) 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 1797 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.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
The Montessori Giving Tree NR Private K-6 12 0.29
Vita Academy NR Private 1-6 0 0.31
Special Education-Preschool-Laurel NR Public 1 0.49
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.49
Liber Community School NR Private 4-12 0 0.68

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Stellar Preparatory High School NR Private 9 0 0.45
Special Education-Preschool-Laurel NR Public 1 0.49
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.49
Liber Community School NR Private 4-12 0 0.68
All Saints Catholic School NR Private K-8 203 0.69

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Stellar Preparatory High School NR Private 9 0 0.45
Special Education-Preschool-Laurel NR Public 1 0.49
Liber Community School NR Private 4-12 0 0.68
Stellar Preparatory High School NR Private 9-11 26 0.80
Hayward High School 5 Public 9-12 1,712 0.96

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

Neighbors for 1797 Knox Street, Castro Valley

Here are the neighbors for 1797 Knox Street, Castro Valley.

Address Square feet Purchase date Purchase price
1953 Leila St, Castro Valley 1,199 12/01/2006 $508,000
22435 N 5th St, Castro Valley 904 11/12/1993 $110,000
22415 N 5th St, Castro Valley 2,209 02/08/2021
22419 Ruby St, Castro Valley 897 04/09/2020
22469 N 5th St, Castro Valley 932 06/02/2017 $540,000
22453 N 5th St, Castro Valley 960 05/19/1989 $177,000
1780 A St, Castro Valley 29,128 12/31/2019
22474 Ruby St, Castro Valley 966 03/23/2004 $325,000
1446 A St, Castro Valley 6,600 02/19/2026 $1,700,000
22298 N 3rd St, Castro Valley
21660 Knoll Way, Castro Valley 1,684 07/23/2025
1855 Crescent Ave, Castro Valley 02/06/2006
22353 N 5th St, Castro Valley 2,028 05/06/2002
1403 Crescent Ave, Castro Valley
1489 Crescent Ave, Castro Valley 3,826 04/22/2019 $4,025,000
22151 Orange Ave, Castro Valley 1,437 07/22/2004
22472 Ruby St, Castro Valley 1,080 08/06/2013
1493 Crescent Ave, Castro Valley 3,826 10/04/2018
1783 Knox St, Castro Valley 2,280 04/20/2016 $529,500
22445 N 5th St, Castro Valley 1,755 09/09/2022

Nearby ZIP Codes for 1797 Knox Street, Castro Valley

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