Post Loop, Round Rock, TX Property Records

Williamson County property records for 33 addresses on Post Loop, Round Rock, TX · Last verified August 2026

Post Loop Highlights

Properties 33
Median Sale Price $468,500
Deeds and Mortgages on File 41
Median Price per Sqft $182
Owner Occupied 79%
Median Annual Tax Bill $10,250
Median Year Built 2021
Median Ownership Tenure 5 years

Properties on Post Loop

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

4501 Post Loop

5 bd · 4 ba · 2,762 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2022 $9,9922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4504 Post Loop

4 bd · 3 ba · 3,056 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2021 $12,0492025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

4505 Post Loop

3 bd · 2.5 ba · 2,162 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
$394,800Apr 2021 $9,2042024 —Owner Occupied Assessor + 1 DocumentUpdated May 2026

4508 Post Loop

3 bd · 2 ba · 1,585 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2021 $9,1182025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4509 Post Loop

3 bd · 2 ba · 2,274 sqft · 0.131 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2021 $10,4832024 —Oct 2020 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4512 Post Loop

3 bd · 3 ba · 2,942 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2022 $10,4262025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4513 Post Loop

4 bd · 3 ba · 2,800 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2022 $11,3632025 2 Names on Record Assessor + 1 DocumentUpdated Oct 2025

4516 Post Loop

4 bd · 3 ba · 3,075 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2022 $10,7432025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4517 Post Loop

3 bd · 2 ba · 1,986 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2021 $8,9792025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4520 Post Loop

4 bd · 4 ba · 2,205 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2021 $10,4692025 2 Names on Record Assessor + 1 DocumentUpdated Oct 2025

4524 Post Loop

4 bd · 4 ba · 3,044 sqft · 0.191 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$490,400Nov 2021 $10,7712024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4525 Post Loop

3 bd · 3 ba · 1,955 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2021 $8,7162025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

4529 Post Loop

3 bd · 2.5 ba · 2,109 sqft · 0.135 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$388,946Aug 2021 $10,4962025 —Nov 2020 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4533 Post Loop

4 bd · 3 ba · 2,269 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2021 $8,9652025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4537 Post Loop

3 bd · 2.5 ba · 2,017 sqft · 0.173 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$579,300Nov 2021 $9,0332024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4541 Post Loop

4 bd · 3 ba · 2,735 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2022 $9,9652025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4545 Post Loop

4 bd · 3 ba · 2,256 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$468,600Dec 2021 $10,4332024 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4549 Post Loop

3 bd · 2.5 ba · 2,918 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$442,000Dec 2021 $10,6932024 Amount on Record Nov 2020 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4553 Post Loop

4 bd · 2.5 ba · 2,700 sqft · 0.14 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$430,100Mar 2021 $10,2802024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4557 Post Loop

4 bd · 3 ba · 2,513 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2022 $8,8772025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4561 Post Loop

2,017 sqft · Built 2021 · 0.155 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$616,200Dec 2021 $9,0332024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4565 Post Loop

4 bd · 3 ba · 2,626 sqft · 0.255 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$402,100Apr 2021 $10,1172024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4569 Post Loop

5 bd · 3 ba · 2,435 sqft · 0.203 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$697,877Feb 2022 $10,5352024 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

4573 Post Loop

5 bd · 3 ba · 3,213 sqft · 0.147 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$468,500Nov 2021 $11,2282024 —Nov 2020 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4574 Post Loop

3 bd · 3.5 ba · 2,257 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$367,500Aug 2021 $10,5762024 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4577 Post Loop

3 bd · 3 ba · 2,159 sqft · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—May 2021 $8,0342025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4578 Post Loop

4 bd · 3 ba · 2,808 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2021 $10,2262025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4581 Post Loop

3 bd · 2 ba · 2,202 sqft · 0.149 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$488,700May 2021 $9,6922025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

4582 Post Loop

4 bd · 3 ba · 3,103 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2021 $11,0052025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4585 Post Loop

4 bd · 4 ba · 3,189 sqft · 0.148 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$666,400Jan 2022 $11,7262024 Amount on Record Mar 2021 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

4586 Post Loop

3 bd · 2 ba · 1,813 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2021 $7,3722025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

4590 Post Loop

3 bd · 2 ba · 2,258 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2021 $9,2742025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

4594 Post Loop

2.5 ba · 2,561 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$419,900Feb 2021 $10,2502024 —Feb 2021 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

Property Records in Nearby Streets