Zephyr Cir, Danville, CA Property Records

Contra Costa County property records for 38 addresses on Zephyr Cir, Danville, CA · Last verified August 2026

Zephyr Cir Highlights

Properties 38
Median Sale Price $1,878,000
Deeds and Mortgages on File 87
Median Price per Sqft $753
Owner Occupied 95%
Median Annual Tax Bill $12,341
Median Year Built 1973
Median Ownership Tenure 16 years

Properties on Zephyr Cir

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

500 Zephyr Cir

4 bd · 2 ba · 2,677 sqft · built 1973 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1991 $3,1992025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

505 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.233 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,299,000May 2019 $17,4992025 Amount on Record Jan 2002 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

506 Zephyr Cir

4 bd · 2.5 ba · 2,302 sqft · built 1973 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,0772025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

511 Zephyr Cir

4 bd · 2.5 ba · 2,301 sqft · built 1973 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2002 $5,9912025 —Nov 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

512 Zephyr Cir

4 bd · 2.5 ba · 2,302 sqft · built 1973 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2000 $10,8932025 —Jun 2016 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

517 Zephyr Cir

6 bd · 3 ba · 2,928 sqft · built 1973 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,205,000May 2024 $25,5862025 Amount on Record Apr 2017 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

518 Zephyr Cir

6 bd · 3 ba · 2,928 sqft · built 1973 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$739,000Dec 2002 $12,7492025 Amount on Record Dec 1998 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

523 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.202 acres

Last Sale Tax Bill Prior Sale Owner Records
$980,000Apr 2006 $15,6602025 —Jun 2002 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

524 Zephyr Cir

4 bd · 2.5 ba · 3,039 sqft · built 1973 · 0.167 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,940,000Sep 2020 $25,4722025 Amount on Record Jan 2009 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

529 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5802025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

530 Zephyr Cir

6 bd · 3 ba · 2,928 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Jan 2011 $10,9672025 Amount on Record Aug 2010 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

535 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5942025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

536 Zephyr Cir

4 bd · 2.5 ba · 2,367 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,450,000Apr 2019 $18,7492025 Amount on Record Jul 1998 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

541 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Apr 2024 $20,4862025 Amount on Record May 2012 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

542 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$715,000Jan 2004 $12,1672025 —Jan 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

547 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2001 $6,1962025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

548 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000May 1993 $6,3892025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

551 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,625,000Sep 2022 $19,5412025 Amount on Record Sep 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

554 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$735,000Oct 2010 $11,3562025 Amount on Record Dec 2001 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

555 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,150,000Feb 2019 $15,1262025 Amount on Record Nov 1998 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

557 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Sep 2001 $9,9802025 —Sep 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

558 Zephyr Cir

3 bd · 2 ba · 1,803 sqft · built 1973 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$937,000May 2005 $15,3772025 Amount on Record Aug 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

561 Zephyr Cir

4 bd · 3 ba · 2,281 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$910,000Nov 2004 $14,8942025 Amount on Record Dec 2001 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

564 Zephyr Cir

4 bd · 2.5 ba · 2,133 sqft · built 1973 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,141,000Dec 2017 $15,2932025 Amount on Record Jun 2004 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

567 Zephyr Cir

4 bd · 2.5 ba · 2,302 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jun 2001 $10,6522025 —Jun 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

570 Zephyr Cir

4 bd · 2 ba · 2,133 sqft · built 1973 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,000Dec 1998 $7,8392025 1 Name on Record Assessor + 6 DocumentsUpdated Aug 2026

573 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,880,000Apr 2024 $21,9982025 Amount on Record Jan 2007 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

576 Zephyr Cir

4 bd · 3 ba · 2,281 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$979,000Feb 2014 $14,2302025 —Feb 2014 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

579 Zephyr Cir

4 bd · 2.5 ba · 2,302 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$193,000Jun 1984 $6,3402025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

582 Zephyr Cir

6 bd · 4 ba · 3,193 sqft · built 1973 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Dec 2000 $14,9182025 —Dec 2000 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

585 Zephyr Cir

4 bd · 2.5 ba · 2,281 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,4652025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

586 Zephyr Cir

6 bd · 3 ba · 3,378 sqft · built 1973 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$810,000May 2010 $14,3282025 Amount on Record Jan 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

589 Zephyr Cir

6 bd · 3 ba · 2,928 sqft · built 1973 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,878,000May 2024 $24,5132025 —Mar 2023 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

590 Zephyr Cir

4 bd · 3 ba · 2,281 sqft · built 1973 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Mar 2003 $11,7452025 Amount on Record Nov 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

594 Zephyr Cir

4 bd · 3 ba · 2,918 sqft · built 1973 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$373,500Jan 1996 $7,8792025 —May 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

595 Zephyr Cir

4 bd · 2.5 ba · 2,433 sqft · built 1973 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$735,300Jan 2010 $12,3412025 Amount on Record Aug 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

598 Zephyr Cir

4 bd · 2 ba · 1,800 sqft · built 1973 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$796,000Jul 2013 $11,8742025 Amount on Record Jun 2012 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

599 Zephyr Cir

4 bd · 3 ba · 2,387 sqft · built 1973 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Jun 2014 $15,7602025 Amount on Record May 2004 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

Wildfire Risk on Zephyr Cir

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank above 25% of the US · above 14% of California
Wildfire LikelihoodAbout 1 in 3,000 per year
ExposureIndirect
0 of 3 cells directly exposed · 3 adjoin burnable vegetation

Property Records in Nearby Streets