Alameda County  »  94546  »  Knox St  »  1828 Knox St

1828 Knox Street, Castro Valley, CA 94546 - Property report

Also known as: 1828 Knox St

Property image for 1828 Knox Street, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1948

Acreage

1.72

Sale price

$745,000

General Information

Address
Primary address
1828 Knox St
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
415-100-114

Owner

Find out who owns 1828 Knox Street, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/26/2018
Sale price
$745,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$9,938
Tax per sq. ft.
$5
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,812
Stories
10
Year built
1948
Building material
Wood/wood and steel frames
Last altered
1951
Rooms
7
Elevator
Bedrooms
3
Bathrooms
25
Lot
Acreage
1.72
Zoning & use
Zoning
Four Family Residential (R3)
Units
1

Area overview

Walk score
81 /100.  Very Walkable
Transit score
46 /100.  Some Transit
Bike score
76 /100.  Very Bikeable
School district
HAYWARD UNIF SCH
Ownership

Ownership information for 1828 Knox Street, Castro Valley, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 1828 Knox Street, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
10/26/2018 $745,000 XXXXX XXXXXXX X; XXXXX XXXXXXXX X XXXXXXX XXXXXXX; XXXXXX XXXXXXX XXXXX
07/31/1998 $233,500 XXXXXXX, XXXXXXX XXXX X XXXXXXXX XXXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
01/08/2025 Deed of trust
Request notice default/delinq		 XXXXX XXXXXXX X XXXX XXXX
02/01/2023 Reconveyance
Substitution of trustee		 XXXXX XXXXXXX X XXXXX XXXXXXX X
01/04/2023 Notice XXXXX XXXXXXXX XXXXXXX XXX XXXXXXXXXX XXX
10/21/2022 Ucc fin stmt(3&+pgs) XXXXX XXXXXXX X XXXXXXX XXX XXXXXXXXXX XXX
01/07/2021 Deed of trust XXXXX XXXXXXX X XXXX XXXX
07/31/2019 Deed of Trust XXXXX XXXXXXX X XXXX XXXX
10/26/2018 Deed of Trust XXXXX XXXXXXX X XXXX XXXX
10/26/2018 Grant Deed XXXXXXX XXXXXXX XXXXX XXXXXXX X
12/27/2012 Deed of Trust XXXXXXX XXXXXXX XXXXXXXXX XXXXXX XXXXX
12/27/2012 Grant Deed XXXXXXX XXXXXXX XXXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 1828 Knox Street, Castro Valley, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Property tax
$9,938
Tax per sq. ft.
$5
Recent tax assessments
Market value
$847,667
Land value
$254,300
Building value
$593,367

More about Alameda County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $831,047 1.1724 $9,743 +0.98%
2024-2025 $814,754 1.1842 $9,648 -22.76%
2023-2024 $798,781 1.5638 $12,491 +34.17%
2022-2023 $783,121 1.1888 $9,310 +0.81%
2021-2022 $767,767 1.2028 $9,235 +1.17%
2020-2021 $759,900 1.2012 $9,128 -0.87%
2019-2020 $745,000 1.236 $9,208 +142.92%
2018-2019 $321,568 1.1788 $3,791 +2.50%
2017-2018 $315,264 1.173 $3,698 +6.33%
2016-2017 $309,084 1.1252 $3,478 +1.44%
Permits

Permit information for 1828 Knox Street, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/18/2021
01/04/2018

*Most recent permits on record for this property.

Neighborhood

Castro Valley residential market stats

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.

Median sale price

$1,013,750

-2.9% Y-o-Y

Median price/sq. ft.

$619

-9.8% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Castro Valley and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
0.2, AE, X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 1828 Knox Street, Castro Valley, CA 94546 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Vita Academy NR Private 1-6 0 0.26
The Montessori Giving Tree NR Private K-6 12 0.31
Special Education-Preschool-Laurel NR Public 1 0.43
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.51
Liber Community School NR Private 4-12 0 0.72
All Saints Catholic School NR Private K-8 203 0.73
Strobridge Elementary School NR Public K-6 362 0.75
Crossroads Christian Elementary School NR Private K-6 0 1.11
Castro Valley Elementary School 6 Public K-5 472 1.12
Marshall Elementary School 9 Public K-5 491 1.19
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.43
Stellar Preparatory High School NR Private 9 0 0.47
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.51
Liber Community School NR Private 4-12 0 0.72
All Saints Catholic School NR Private K-8 203 0.73
Bret Harte Middle School 5 Public 7-8 545 0.94
Victory Academy NR Private 7, 9-11 0 1.11
Northstar School NR Private PK-8 152 1.27
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 1.32
Silver Oak High Public Montessori Charter NR Charter 1-12 553 1.39
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.43
Stellar Preparatory High School NR Private 9 0 0.47
Liber Community School NR Private 4-12 0 0.72
Stellar Preparatory High School NR Private 9-11 26 0.86
Hayward High School 5 Public 9-12 1,712 0.97
Victory Academy NR Private 7, 9-11 0 1.11
Silver Oak High Public Montessori Charter NR Charter 1-12 553 1.39
Hayward Adult NR Public 0 1.40
Brenkwitz High School 2 Public 9-12 179 1.41
Hayward Twin Oaks Montessori 7 Charter 1-12 218 1.43

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 1828 Knox Street, Castro Valley, CA

22272 N 5th St, Castro Valley 22020 Belle St, Castro Valley 2366 Jeffer St, Castro Valley 22236 N 6th St, Castro Valley 22231 N 6th St, Castro Valley 22062 Belle St, Castro Valley 1818 Knox St, Castro Valley 22252 N 5th St, Castro Valley 2373 Grove Way, Castro Valley 1830 Knox St, Castro Valley 2219 Grove Way, Castro Valley 22230 N 6th St, Castro Valley 22237 N 6th St, Castro Valley 2275 Grove Way, Castro Valley 22319 Redwood Rd, Castro Valley 1920 Knox St, Castro Valley 22274 N 6th St, Castro Valley 22048 Belle St, Castro Valley 22260 N 5th St, Castro Valley 1876 Knox St, Castro Valley

Nearby ZIP codes for 1828 Knox Street, Castro Valley, CA

94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94552, Alameda County, CA 94577, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94601, Alameda County, CA 94603, Alameda County, CA 94605, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA 94621, Alameda County, CA

Frequently asked questions

What is the year built for 1828 Knox Street, Castro Valley, CA 94546?

The development at 1828 Knox Street, Castro Valley, CA 94546 was built in 1948.

What is the total square footage of 1828 Knox Street, Castro Valley, CA 94546?

1828 Knox Street, Castro Valley, CA 94546 has a total of 1,812 square feet.

When was 1828 Knox Street, Castro Valley, CA 94546 last sold and what was the sale price?

1828 Knox Street, Castro Valley, CA 94546 was last sold on 10/26/2018 for $745,000.

What is the assessed value of 1828 Knox Street, Castro Valley, CA 94546?

1828 Knox Street, Castro Valley, CA 94546 is currently assessed at $831,047.

What are the property taxes for 1828 Knox Street, Castro Valley, CA 94546?

The property taxes for 1828 Knox Street, Castro Valley, CA 94546 total $9,743.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account