Sioux Dr, Boulder, CO Property Records

Boulder County property records for 25 addresses on Sioux Dr, Boulder, CO · Last verified July 2026

Sioux Dr Highlights

Properties 25
Median Sale Price $1,175,500
Deeds and Mortgages on File 30
Median Price per Sqft $486
Owner Occupied 68%
Median Annual Tax Bill $6,423
Median Year Built 1962
Median Ownership Tenure 14 years

Properties on Sioux Dr

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

4400 Sioux Dr

4 bd · 2.75 ba · 2,524 sqft · 0.318 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jul 2008 $7,8462025 Sale Amount Apr 1997 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

4520 Sioux Dr

4 bd · 3.25 ba · 3,946 sqft · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Dec 2012 $7,3972025 Sale Amount Feb 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4530 Sioux Dr

4 bd · 1.75 ba · 1,991 sqft · 0.228 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$725,000Jan 2020 $6,5842025 Sale Amount Jun 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

4534 Sioux Dr

3 bd · 2.5 ba · 2,490 sqft · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$900,000Jan 2020 $7,2902025 Sale Amount Oct 2007 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

4540 Sioux Dr

3 bd · 2.25 ba · 2,002 sqft · 0.212 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$785,000Oct 2016 $6,8302025 Sale Amount Jul 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4545 Sioux Dr

31,784 sqft · Built 1970 · 8.39 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1958 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4546 Sioux Dr

4 bd · 2.5 ba · 3,443 sqft · 0.212 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1989 $5,9182025 —Aug 2008 1 Name on Record AssessorUpdated Jun 2026

4550 Sioux Dr

4 bd · 3.75 ba · 2,857 sqft · 0.227 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$620,000Jun 2012 $7,4402025 Sale Amount Apr 2006 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4570 Sioux Dr

3 bd · 2.25 ba · 2,400 sqft · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,175,500Mar 2022 $6,8882025 Sale Amount Jun 1977 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4630 Sioux Dr

5 bd · 3 ba · 2,464 sqft · 0.252 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,197,909Aug 2023 $7,1222025 Sale Amount Apr 2022 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

4660 Sioux Dr

4 bd · 2 ba · 1,540 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000Jan 2007 $5,0932025 Sale Amount Jul 1998 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

4690 Sioux Dr

5 bd · 2.75 ba · 2,482 sqft · 0.244 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$496,500Mar 2011 $6,7572025 Sale Amount Apr 2007 1 Name on Record AssessorUpdated Jun 2026

4700 Sioux Dr

3 bd · 1.75 ba · 1,710 sqft · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Nov 2003 $5,2212025 —Jul 1984 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

4750 Sioux Dr

3 bd · 1 ba · 2,018 sqft · 0.342 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$515,000Dec 2014 $5,2902025 —Mar 2011 1 Name on Record AssessorUpdated Jun 2026

4790 Sioux Dr

3 bd · 2.25 ba · 2,112 sqft · 0.336 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$401,000Jan 2003 $5,3872025 Sale Amount Nov 2002 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4800 Sioux Dr

5 bd · 2.5 ba · 2,576 sqft · 0.298 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,000Feb 1998 $5,7362025 Sale Amount May 1993 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4830 Sioux Dr

4 bd · 2.5 ba · 2,382 sqft · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$439,000Mar 2006 $6,4232025 Sale Amount Mar 2005 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4860 Sioux Dr

3 bd · 1.75 ba · 1,744 sqft · 0.259 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$693,500Jan 2018 $5,3602025 —Nov 1981 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

4890 Sioux Dr

5 bd · 2.25 ba · 2,248 sqft · 0.259 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000Jul 2012 $5,9332025 Sale Amount Dec 1997 1 Name on Record AssessorUpdated Jun 2026

4900 Sioux Dr

3 bd · 1 ba · 1,394 sqft · 0.262 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Mar 2003 $4,6262025 —May 1993 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

4950 Sioux Dr

3 bd · 2.5 ba · 2,274 sqft · 0.263 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$435,000Mar 2024 $5,8392025 Sale Amount Dec 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

4990 Sioux Dr

5 bd · 2.25 ba · 2,120 sqft · 0.264 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$439,000Aug 2007 $5,3592025 Sale Amount Aug 1998 1 Name on Record AssessorUpdated Jun 2026

5140 Sioux Dr

3 bd · 1.75 ba · 2,282 sqft · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,464,973May 2022 $6,4642025 Sale Amount Jan 1991 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

5145 Sioux Dr

5 bd · 4.25 ba · 2,712 sqft · 0.193 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,325,000Oct 2023 $7,6722025 Sale Amount Sep 2021 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

5660 Sioux Dr

8.74 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1984 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Property Records in Nearby Streets