Ada St, Castro Valley, CA Property Records

Alameda County property records for 3 addresses on Ada St, Castro Valley, CA · Last verified August 2026

Ada St Highlights

Properties 3
Latest Sale $960,000 (Apr 2025)
Deeds and Mortgages on File 11
Average Living Area 1,179 sq ft
Owner Occupied 100%
Median Annual Tax Bill $8,103
Median Year Built 1948
Average Ownership Tenure 4 years

Properties on Ada St

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

21712 Ada St

2 bd · 1 ba · 905 sqft · 0.117 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$680,000Dec 2020 $9,7322025 Amount on Record Aug 2020 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2025

21738 Ada St

3 bd · 1 ba · 1,104 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,0492025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

21924 Ada St

3 bd · 2 ba · 1,530 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$960,000Apr 2025 $8,1032024 Amount on Record Aug 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Apr 2026

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