Old Onyx, San Antonio, TX Property Records

Bexar County property records for 42 addresses on Old Onyx, San Antonio, TX · Last verified August 2026

Old Onyx Highlights

Properties 42
Median Sale Price $318,402
Deeds and Mortgages on File 42
Median Price per Sqft $171
Owner Occupied 90%
Median Annual Tax Bill $4,555
Median Year Built 2021
Median Ownership Tenure 4 years

Properties on Old Onyx

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

12002 Old Onyx

4 bd · 2 ba · 2,679 sqft · built 2020 · 0.203 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,070May 2020 —May 2020 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12006 Old Onyx

4 bd · 2.5 ba · 2,319 sqft · built 2020 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$247,200May 2020 $4,6142025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

12010 Old Onyx

4 bd · 2 ba · 1,705 sqft · built 2020 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$379,050Sep 2025 $4,8542025 Amount on Record May 2020 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

12014 Old Onyx

5 bd · 3.5 ba · 2,637 sqft · built 2019 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$263,600Apr 2020 $4,2882025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

12018 Old Onyx

4 bd · 2.5 ba · 2,349 sqft · built 2019 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6292025 —Apr 2020 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12022 Old Onyx

4 bd · 2.5 ba · 2,349 sqft · built 2019 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$303,000Apr 2020 $4,4642025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

12026 Old Onyx

4 bd · 2 ba · 1,705 sqft · built 2019 · 0.131 acres

Last Sale Tax Bill Prior Sale Owner Records
$308,700Jun 2023 Amount on Record Apr 2020 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12030 Old Onyx

4 bd · 2 ba · 1,924 sqft · built 2019 · 0.127 acres

Last Sale Tax Bill Prior Sale Owner Records
$309,300Apr 2020 $3,9992025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12102 Old Onyx

5 bd · 3.5 ba · 2,589 sqft · built 2021 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$266,000Dec 2021 $3,0032025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

12103 Old Onyx

5 bd · 2.5 ba · 2,493 sqft · built 2021 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$308,420Jul 2021 $4,8262025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12106 Old Onyx

4 bd · 2 ba · 1,936 sqft · built 2021 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$247,600Dec 2021 $6,0732025 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

12109 Old Onyx

3 bd · 2 ba · 1,619 sqft · built 2021 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$274,400May 2026 $3,5702025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12110 Old Onyx

3 bd · 2 ba · 1,732 sqft · built 2021 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2021 $3,7802025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12113 Old Onyx

3 bd · 2.5 ba · 2,175 sqft · built 2021 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$373,100Sep 2021 $4,3082025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12114 Old Onyx

3 bd · 2.5 ba · 2,236 sqft · built 2021 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$292,552Oct 2024 $4,3922025 —Jun 2024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12117 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2021 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$301,500Dec 2021 $4,2742025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12118 Old Onyx

3 bd · 2.5 ba · 2,236 sqft · built 2021 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2022 $5,7062025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12121 Old Onyx

3 bd · 2.5 ba · 2,175 sqft · built 2021 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,489Nov 2025 $4,3082025 Amount on Record Aug 2021 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12122 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2021 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$417,807Jan 2022 $4,4552025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12125 Old Onyx

4 bd · 2 ba · 1,476 sqft · built 2021 · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$258,834Sep 2021 $5,0362025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12126 Old Onyx

5 bd · 3.5 ba · 2,568 sqft · built 2021 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8452025 Owner on Record AssessorUpdated Jun 2026

12130 Old Onyx

3 bd · 2 ba · 1,619 sqft · built 2021 · 0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
$281,147Dec 2021 $3,6012025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

12131 Old Onyx

5 bd · 2.5 ba · 2,493 sqft · built 2021 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$427,500Aug 2022 $5,0152025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12134 Old Onyx

3 bd · 2.5 ba · 2,236 sqft · built 2021 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$408,110Jan 2022 $4,6182025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12138 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2022 · 0.178 acres

Last Sale Tax Bill Prior Sale Owner Records
$441,859Jan 2023 $4,4732025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12142 Old Onyx

3 bd · 2.5 ba · 2,236 sqft · built 2022 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$329,125Jan 2023 $6,2622025 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

12143 Old Onyx

4 bd · 2 ba · 1,936 sqft · built 2021 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,010Jul 2022 $4,3132025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12146 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2022 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$318,402Dec 2022 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12147 Old Onyx

3 bd · 2 ba · 1,732 sqft · built 2021 · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$307,230Jul 2022 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12150 Old Onyx

4 bd · 2 ba · 1,936 sqft · built 2022 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$341,544Dec 2022 $5,7982025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

12151 Old Onyx

5 bd · 3.5 ba · 2,568 sqft · built 2021 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,237Sep 2022 $4,9912025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12155 Old Onyx

5 bd · 3.5 ba · 1,732 sqft · built 2021 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$331,436Sep 2022 $3,9112025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12156 Old Onyx

5 bd · 2.5 ba · 2,493 sqft · built 2022 · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,016Mar 2023 $4,6832025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026
Last Sale Tax Bill Prior Sale Owner Records
—Sep 2022 2 Owners on Record Owner Occupied AssessorUpdated Jun 2023

12163 Old Onyx

4 bd · 2 ba · 1,936 sqft · built 2021 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$396,963Apr 2023 $4,5552025 Amount on Record Sep 2022 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12167 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2021 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$421,862Sep 2022 $4,5892025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12168 Old Onyx

4 bd · 2 ba · 1,732 sqft · built 2022 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$322,429May 2023 $5,6832025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12171 Old Onyx

3 bd · 2 ba · 1,732 sqft · built 2021 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$298,503Sep 2022 $3,4112025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12172 Old Onyx

4 bd · 2 ba · 1,936 sqft · built 2022 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,160Feb 2023 $4,0172025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12175 Old Onyx

3 bd · 2.5 ba · 2,236 sqft · built 2021 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$312,881Sep 2022 $4,5732025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12176 Old Onyx

5 bd · 3.5 ba · 2,660 sqft · built 2022 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$336,924Feb 2023 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12180 Old Onyx

4 bd · 2.5 ba · 2,264 sqft · built 2022 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$307,720Feb 2023 $4,1062024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Property Records in Nearby Streets