Blarney Ave, Concord, CA Property Records

Contra Costa County property records for 12 addresses on Blarney Ave, Concord, CA · Last verified August 2026

Blarney Ave Highlights

Properties 12
Median Sale Price $649,000
Deeds and Mortgages on File 22
Median Price per Sqft $437
Owner Occupied 83%
Median Annual Tax Bill $8,625
Median Year Built 1961
Median Ownership Tenure 8 years

Properties on Blarney Ave

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

800 Blarney Ave

3 bd · 2 ba · 1,265 sqft · 0.197 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,6452025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

803 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.194 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$635,000Dec 2019 $8,6762025 Amount on Record Sep 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

806 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$649,000Aug 2018 $9,3712025 Amount on Record Oct 2004 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

812 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$310,000Mar 2012 $5,3102025 Amount on Record Aug 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

818 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1996 $2,4292025 —Nov 1997 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

824 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$704,000May 2018 $9,8472025 —May 2018 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

827 Blarney Ave

3 bd · 2 ba · 1,519 sqft · 0.224 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,0712025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

830 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000May 1988 $3,8922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

833 Blarney Ave

3 bd · 2 ba · 1,329 sqft · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$670,000Jun 2019 $9,2612025 —Jan 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

836 Blarney Ave

4 bd · 2 ba · 1,482 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000May 1990 $5,1982025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

839 Blarney Ave

3 bd · 2 ba · 1,329 sqft · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$700,000May 2018 $9,7252025 Amount on Record Oct 2008 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

845 Blarney Ave

3 bd · 2 ba · 1,329 sqft · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Aug 2004 $8,6252025 —Aug 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

Property Records in Nearby Streets