Alameda County  »  94552  »  Knuppe Pl  »  21454 Knuppe Pl

21454 Knuppe Place, Castro Valley, CA 94552 - Property report

Also known as: 21454 Knuppe Pl

Property image for 21454 Knuppe Place, Castro Valley, CA 94552
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Property type

Single Family Residential Homes Used as Such (1100)

Year built

1991

Acreage

24.8

Sale price

$1,305,000

General Information

Address
Primary address
21454 Knuppe Pl
Castro Valley, CA 94552
Alternate address(es)
21454 Knupper Pl
Zip code
94552
County
Alameda
Parcel ID
85A-6409-7-2

Owner

Find out who owns 21454 Knuppe Place, Castro Valley, CA 94552. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/01/2008
Sale price
$1,305,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$21,386
Tax per sq. ft.
$5
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
3,993
Stories
15
Year built
1991
Building material
Wood/wood and steel frames
Rooms
10
Elevator
Bedrooms
4
Bathrooms
40
Lot
Acreage
24.8
Zoning & use
Zoning
Planned Development (PD-1489)
Units
1

Area overview

Walk score
3 /100.  Car-Dependent
Transit score
0 /100.  No Nearby Transit
Bike score
6 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 21454 Knuppe Place, Castro Valley, CA

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

Sales history for 21454 Knuppe Place, Castro Valley, CA 94552

Sale date Sale price Buyer name Seller name
04/01/2008 $1,305,000 XXXXX, XXXXX & XXXXXXX XX XXXXXXX XXXXXX XXXXXX XXXXX X

*Most recent sale on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
06/20/2013 Deed of Trust XXXXX XXXXX XX XXXXXXXX XXXXXXXX XX
05/08/2008 Deed XXXXX, XXXXX & XXXXXXX XXXXX XXXXXX XXXXX
04/01/2008 Deed XXXXXXX XXXXXX XXXXXX XXXXX X XXXXX, XXXXX & XXXXXXX XX
10/27/2006 Deed XXXXXXX, XXXX X XXXXXXX, XXXXXX X
11/22/1994 Deed XXXXXXX, XXXXXX X & XXXX X XXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21454 Knuppe Place, 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
$21,386
Tax per sq. ft.
$5
Recent tax assessments
Market value
$1,837,248
Land value
$874,147
Building value
$963,101

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 $1,801,236 1.164 $20,966 +0.69%
2024-2025 $1,765,922 1.1791 $20,822 -46.24%
2023-2024 $1,647,484 2.3508 $38,729 +101.36%
2022-2023 $1,615,184 1.1908 $19,234 +2.51%
2021-2022 $1,583,526 1.1848 $18,762 +2.29%
2020-2021 $1,567,290 1.1703 $18,342 -2.00%
2019-2020 $1,536,572 1.218 $18,715 +2.87%
2018-2019 $1,506,452 1.2077 $18,193 +2.65%
2017-2018 $1,476,920 1.2001 $17,725 +18.18%
2016-2017 $1,447,962 1.0358 $14,998 +4.37%
Permits

Permit information for 21454 Knuppe Place, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
03/23/2023

*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
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 21454 Knuppe Place, Castro Valley, CA 94552 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)
Jensen Ranch Elementary School 9 Public K-5 382 0.56
Palomares Elementary School 8 Public K-5 121 0.86
Montessori School At Five Canyons NR Private PK-K 13 0.99
Montessori School At Five Canyons NR Private PK-K 13 0.99
Independent Elementary School 8 Public K-5 634 0.99
Liberty School NR Private 1-12 0 0.99
Vannoy Elementary School 7 Public K-5 441 1.38
Early Bird Montessori School NR Private PK, K-1 30 1.53
Early Bird Montessori School NR Private PK, K-1 30 1.53
Marshall Elementary School 9 Public K-5 491 1.79
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Canyon Middle School 6 Public 6-8 1,332 0.95
Liberty School NR Private 1-12 0 0.99
Creekside Middle School 8 Public 6-8 760 1.50
Northstar School NR Private PK-8 152 1.56
Castro Valley Adult And Career Education NR Public 0 2.01
Alma Preschool NR Public 52 2.05
Redwood Christian Schools NR Private K-12 706 2.13
Special Education-Preschool-Laurel NR Public 1 2.31
Our Lady Of Grace School NR Private K-8 218 2.68
Stellar Preparatory High School NR Private 9 0 2.81
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Liberty School NR Private 1-12 0 0.99
Castro Valley Adult And Career Education NR Public 0 2.01
Alma Preschool NR Public 52 2.05
Redwood Christian Schools NR Private K-12 706 2.13
Special Education-Preschool-Laurel NR Public 1 2.31
Castro Valley High School 9 Public 9-12 2,799 2.36
Stellar Preparatory High School NR Private 9 0 2.81
Hayward High School 5 Public 9-12 1,712 2.92
Anchor Education, Inc. NR Private 3-12 18 2.99
Sterling West San Francisco Campus NR Private 3-11 27 3.01

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

Neighbors for 21454 Knuppe Place, Castro Valley, CA

6425 Ridgewood Dr, Castro Valley 6221 MT Olympus Dr, Castro Valley 19475 MT Jasper Dr, Castro Valley 21122 Knuppe Pl, Castro Valley 21012 Greenwood Cir, Castro Valley 6373 MT Olympus Dr, Castro Valley 6375 Ridgewood Dr, Castro Valley 19470 MT Jasper Dr, Castro Valley 19539 MT Jasper Dr, Castro Valley 19193 MT Jasper Dr, Castro Valley 19523 MT Jasper Dr, Castro Valley 5750 Jensen Rd, Castro Valley 5665 Jensen Rd, Castro Valley 5695 Jensen Rd, Castro Valley 21180 Greenwood Cir, Castro Valley 6435 Ridgewood Dr, Castro Valley 6030 Boone Dr, Castro Valley 7941 Dublin Canyon Rd, Castro Valley 19690 MT Lassen Dr, Castro Valley 6325 MT Olympus Dr, Castro Valley

Nearby ZIP codes for 21454 Knuppe Place, Castro Valley, CA

94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94546, Alameda County, CA 94568, Alameda County, CA 94577, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94587, Alameda County, CA 94588, Alameda County, CA 94605, Alameda County, CA 94619, Alameda County, CA

Frequently asked questions

What is the year built for 21454 Knuppe Place, Castro Valley, CA 94552?

The development at 21454 Knuppe Place, Castro Valley, CA 94552 was built in 1991.

What is the total square footage of 21454 Knuppe Place, Castro Valley, CA 94552?

21454 Knuppe Place, Castro Valley, CA 94552 has a total of 3,993 square feet.

When was 21454 Knuppe Place, Castro Valley, CA 94552 last sold and what was the sale price?

21454 Knuppe Place, Castro Valley, CA 94552 was last sold on 04/01/2008 for $1,305,000.

What is the assessed value of 21454 Knuppe Place, Castro Valley, CA 94552?

21454 Knuppe Place, Castro Valley, CA 94552 is currently assessed at $1,801,236.

What are the property taxes for 21454 Knuppe Place, Castro Valley, CA 94552?

The property taxes for 21454 Knuppe Place, Castro Valley, CA 94552 total $20,966.

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