Keystone Oak St, Houston, TX Property Records

Harris County property records for 46 addresses on Keystone Oak St, Houston, TX · Last verified August 2026

Keystone Oak St Highlights

Properties 46
Median Sale Price $388,360
Deeds and Mortgages on File 54
Median Price per Sqft $133
Owner Occupied 85%
Median Annual Tax Bill $6,414
Median Year Built 2008
Median Ownership Tenure 11 years

Properties on Keystone Oak St

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

18502 Keystone Oak St

5 bd · 3.5 ba · 4,276 sqft · built 2008 · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2023 $7,6982025 Amount on Record Aug 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

18503 Keystone Oak St

5 bd · 3.5 ba · 3,843 sqft · built 2008 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Apr 2014 $7,2422025 Amount on Record Aug 2008 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18506 Keystone Oak St

3 bd · 2 ba · 2,319 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,400Oct 2008 $1,3722025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18507 Keystone Oak St

4 bd · 2.5 ba · 3,230 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$388,360May 2023 $8,4382025 Amount on Record Sep 2017 2 Owners on Record Assessor + 2 DocumentsUpdated Jun 2026

18510 Keystone Oak St

5 bd · 3.5 ba · 4,276 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$241,300Dec 2019 $7,6862025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

18511 Keystone Oak St

3 bd · 2 ba · 2,319 sqft · built 2008 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,300Apr 2020 $5,0832025 —May 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18514 Keystone Oak St

3 bd · 2 ba · 1,968 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$224,800Aug 2016 $4,2702025 Amount on Record Apr 2012 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18515 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,400Dec 2009 $4,9842025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18518 Keystone Oak St

3 bd · 2 ba · 2,319 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,000Aug 2008 $2,0782025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18519 Keystone Oak St

5 bd · 3.5 ba · 4,371 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2009 $2,3132025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18522 Keystone Oak St

5 bd · 3.5 ba · 4,371 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,000Feb 2019 $10,1142025 Amount on Record Sep 2009 Owner on Record Assessor + 2 DocumentsUpdated Jun 2026

18523 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Aug 2018 $7,1982025 Amount on Record May 2014 2 Owners on Record Assessor + 2 DocumentsUpdated Jun 2026

18602 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$314,212Jun 2022 $7,0812025 Amount on Record Jul 2009 2 Owners on Record Assessor + 2 DocumentsUpdated Jun 2026

18603 Keystone Oak St

5 bd · 3.5 ba · 3,670 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$181,100Dec 2009 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18606 Keystone Oak St

5 bd · 3.5 ba · 4,189 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,100Sep 2009 $7,4172025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18607 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2022 $5,0012025 Amount on Record Jul 2017 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

18610 Keystone Oak St

3 bd · 2 ba · 1,980 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,100Sep 2024 $6,5672025 Amount on Record May 2016 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18611 Keystone Oak St

5 bd · 3.5 ba · 4,109 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$308,800Sep 2019 $7,1042025 Amount on Record Jul 2017 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

18614 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,600Jun 2009 $1,5992025 —Feb 2015 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

18615 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2025 $4,9222025 Amount on Record Mar 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18618 Keystone Oak St

4 bd · 3.5 ba · 3,052 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$322,100Jun 2020 $5,9712025 Amount on Record Aug 2017 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18619 Keystone Oak St

5 bd · 3.5 ba · 4,276 sqft · built 2009 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$186,600Jun 2009 $7,7482025 —Jun 2009 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

18622 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,300Apr 2009 $1,4042025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18702 Keystone Oak St

5 bd · 3.5 ba · 4,109 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$136,001May 2014 $9,2602025 —Sep 2012 Owner on Record AssessorUpdated Jun 2026

18703 Keystone Oak St

6 bd · 3.5 ba · 3,083 sqft · built 2006 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$206,300Dec 2006 $5,4072025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18706 Keystone Oak St

3 bd · 2 ba · 2,319 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2008 $1,4222025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18707 Keystone Oak St

4 bd · 2.5 ba · 2,968 sqft · built 2007 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$238,400Nov 2020 $6,4142025 Amount on Record Nov 2007 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

18710 Keystone Oak St

5 bd · 3.5 ba · 4,276 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$207,400May 2008 $7,4852025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18711 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,025Jul 2022 $5,6482025 Amount on Record Jun 2019 Owner on Record Assessor + 3 DocumentsUpdated Jun 2026

18714 Keystone Oak St

4 bd · 3.5 ba · 3,577 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$244,300Dec 2008 $6,8132025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18715 Keystone Oak St

5 bd · 3.5 ba · 4,250 sqft · built 2006 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$566,353Mar 2023 $7,3742025 Amount on Record Apr 2022 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18718 Keystone Oak St

4 bd · 2 ba · 2,319 sqft · built 2009 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$211,000Jan 2018 $5,0842025 Amount on Record Dec 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18719 Keystone Oak St

4 bd · 2.5 ba · 3,108 sqft · built 2005 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$176,700Feb 2009 $6,1522025 Amount on Record Feb 2008 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18722 Keystone Oak St

4 bd · 3.5 ba · 3,814 sqft · built 2005 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$191,600Apr 2013 $6,7542025 —Dec 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

18723 Keystone Oak St

4 bd · 3.5 ba · 3,642 sqft · built 2005 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,100Dec 2005 $2,5572025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18802 Keystone Oak St

4 bd · 2.5 ba · 2,181 sqft · built 2005 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$204,000Sep 2015 $4,6732025 Amount on Record Sep 2013 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18803 Keystone Oak St

4 bd · 2 ba · 2,379 sqft · built 2006 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2018 $6,7952025 —Jan 2007 2 Owners on Record Assessor + 1 DocumentUpdated Jun 2026

18806 Keystone Oak St

5 bd · 3.5 ba · 4,276 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,500Jun 2008 $7,5852025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

18807 Keystone Oak St

4 bd · 2.5 ba · 3,155 sqft · built 2009 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$178,000Nov 2009 $6,0522025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

18810 Keystone Oak St

4 bd · 3.5 ba · 3,542 sqft · built 2005 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$394,697Oct 2022 $3,2082025 Amount on Record Oct 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18811 Keystone Oak St

5 bd · 3.5 ba · 3,457 sqft · built 2007 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,800Apr 2011 $8,8082025 Amount on Record Feb 2011 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18814 Keystone Oak St

4 bd · 3.5 ba · 3,642 sqft · built 2008 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Aug 2008 $6,7872025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

18815 Keystone Oak St

5 bd · 3.5 ba · 3,334 sqft · built 2006 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2023 $9,2102025 Amount on Record Jul 2007 Owner on Record Owner Occupied AssessorUpdated Aug 2026

18818 Keystone Oak St

4 bd · 3.5 ba · 3,596 sqft · built 2005 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,500Feb 2015 $1,8392025 Amount on Record Jul 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

18819 Keystone Oak St

5 bd · 3.5 ba · 3,642 sqft · built 2008 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$532,000Apr 2022 $5,6442020 —Sep 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

18823 Keystone Oak St

4 bd · 3.5 ba · 3,542 sqft · built 2005 · 0.215 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,500Sep 2014 $6,6972025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

Property Records in Nearby Streets