Knuppe Pl, Castro Valley, CA Property Records

Alameda County property records for 5 addresses on Knuppe Pl, Castro Valley, CA · Last verified August 2026

Knuppe Pl Highlights

Properties 5
Median Sale Price $833,000
Deeds and Mortgages on File 6
Median Price per Sqft $291
Owner Occupied 80%
Median Annual Tax Bill $19,790
Median Year Built 2003
Median Ownership Tenure 15 years

Properties on Knuppe Pl

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

21122 Knuppe Pl

6 bd · 5 ba · 4,591 sqft · 1.04 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,340,000Jul 2014 $19,7902025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

21243 Knuppe Pl

0.999 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Jun 2019 $20,1712025 Amount on Record Mar 2017 1 Name on Record Assessor + 3 DocumentsUpdated Oct 2025

21454 Knuppe Pl

4 bd · 4 ba · 3,993 sqft · 2.48 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,305,000Apr 2008 $22,1272025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

21574 Knuppe Pl

5 bd · 4.5 ba · 3,661 sqft · 1.86 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jul 2002 $18,4042025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

21696 Knuppe Pl

5 bd · 5 ba · 4,414 sqft · 3.07 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$833,000Feb 2011 $13,4392025 —Apr 2009 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

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