Alameda County  »  1705 Knox St

1705 Knox Street, Castro Valley, CA 94546 Property Information

1705 Knox Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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1705 Knox Street, Castro Valley, CA 94546
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Address

Primary address 1705 Knox Street, Castro Valley
Alternate address(es) 1717 Knox St
Zip code 94546
County Alameda
Parcel ID 415-220-20

Sales & Tax Overview for 1705 Knox Street, Castro Valley

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

Property tax $655

Lot & Building Information for 1705 Knox Street, Castro Valley

Building sqft 1,848
Total sqft 1,848
Building class Two, Three or Four Single Family Homes (2100)
Acreage 0.17
Buildings on lot 2
Units 2
Year built 1937
Stories 1
Bedrooms 5
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Four Family Residential (R3-BE)
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 1705 Knox Street, Castro Valley

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  • • Improvements for 1705 Knox Street, Castro Valley , including their type, square footage, grade and when they were built.
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About 1705 Knox Street, Castro Valley

What is the year built & the total sq. ft. for 1705 Knox Street, Castro Valley, CA 94546?

1705 Knox Street, Castro Valley, CA 94546 was built in 1937 and has a total of 1,848 square feet.

What is the assessed value of 1705 Knox Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $55,900, the tax amount paid for 1705 Knox Street, Castro Valley, CA 94546 is $655.

When was 1705 Knox Street, Castro Valley, CA 94546 last sold?

1705 Knox Street, Castro Valley, CA 94546 was last sold in 03/25/2020.

How many residential units does this building have?

This building has 2 residential unit(s).

Ownership Information

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Real Estate Reports:
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Huble’s recent survey of 126 founders, CEOs and other decision-makers in New York City’s startup ecosystem revealed how local business leaders are approaching workplace strategy in 2026 and beyond.
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Past Sales & Property History for 1705 Knox Street, Castro Valley

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No recorded sales for this property.

Title Documents for 1705 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
03/25/2020 Trust Transfer Deed
03/25/2020 Quitclaim Deed
               
               
               
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R: Recorded date
D: Document date

Property Taxes for 1705 Knox Street, Castro Valley

Access detailed property tax data for 1705 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 $655
Market value $55,900

Assessment History for 1705 Knox Street, Castro Valley

Here's the assessment & property tax history for 1705 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 $55,900 1.1724 $655 +0.98%
2024-2025 $54,804 1.1842 $649 -22.76%
2023-2024 $53,729 1.5638 $840 +34.17%
2022-2023 $52,676 1.1888 $626 +0.84%
2021-2022 $51,644 1.2028 $621 +1.15%

Permits for 1705 Knox Street, Castro Valley

The complete history of permits filed for 1705 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
11/05/2018
03/22/2018
09/18/2017
       
       
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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 1705 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 1705 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)
The Montessori Giving Tree NR Private K-6 12 0.24
Vita Academy NR Private 1-6 0 0.37
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.52
Special Education-Preschool-Laurel NR Public 1 0.54
Liber Community School NR Private 4-12 0 0.61

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Stellar Preparatory High School NR Private 9 0 0.49
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.52
Special Education-Preschool-Laurel NR Public 1 0.54
Liber Community School NR Private 4-12 0 0.61
All Saints Catholic School NR Private K-8 203 0.69

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Stellar Preparatory High School NR Private 9 0 0.49
Special Education-Preschool-Laurel NR Public 1 0.54
Liber Community School NR Private 4-12 0 0.61
Stellar Preparatory High School NR Private 9-11 26 0.77
Hayward High School 5 Public 9-12 1,712 0.99

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

Neighbors for 1705 Knox Street, Castro Valley

Here are the neighbors for 1705 Knox Street, Castro Valley.

Address Square feet Purchase date Purchase price
1729 Knox St, Castro Valley 1,898 01/21/2025
21951 Idena Ave, Castro Valley 2,328 04/11/2025
1773 Crescent Ave, Castro Valley 2,271 04/25/2024 $600,000
2524 Vegas Ave, Castro Valley 621 06/25/2009 $229,000
22422 N 5th St, Castro Valley 3,192 05/27/2022 $1,895,000
1718 Knox St, Castro Valley 1,116 02/01/2021 $775,000
22330 N 5th St, Castro Valley 1,321 08/27/2025
1830 Crescent Ave, Castro Valley 1,481 07/09/2024 $1,150,000
2698 Vegas Ave, Castro Valley 1,016 05/31/2019 $650,000
21666 Redwood Rd, Castro Valley 4,218 06/02/2022 $1,600,000
1800 A St, Castro Valley 2,128 07/31/2024
22402 N 5th St, Castro Valley 1,270 08/23/2019 $635,000
22088 Baywood Ave, Castro Valley 1,476 03/31/2026
21504 Redwood Rd, Castro Valley
1762 Crescent Ave, Castro Valley 1,989 09/20/2019
1647 Knox St, Castro Valley 530 12/18/2025
22253 N 5th St, Castro Valley 1,346 11/02/2018 $660,000
1887 Knox St, Castro Valley 1,190 01/27/2026
22083 Baywood Ave, Castro Valley 1,431 02/28/1992 $206,000
22431 Ruby St, Castro Valley 777 09/22/2022

Nearby ZIP Codes for 1705 Knox Street, Castro Valley

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