Walnut St, Aspen, CO Property Records

Pitkin County property records for 13 addresses on Walnut St, Aspen, CO · Last verified August 2026

Walnut St Highlights

Properties 13
Median Sale Price $6,250,000
Deeds and Mortgages on File 33
Median Price per Sqft $1,397
Owner Occupied 8%
Median Annual Tax Bill $28,387
Median Year Built 2007
Median Ownership Tenure 8 years

Properties on Walnut St

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

505 Walnut St, #B

5 bd · 6 ba · 4,565 sqft · 0.144 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2018 $28,3872025 Amount on Record Mar 2013 2 Names on Record Assessor + 4 DocumentsUpdated Feb 2026

506 Walnut St, #A

4 bd · 4 ba · 3,364 sqft · 0.077 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$3,050,000Apr 2005 $12,7712025 —Jul 2004 1 Name on Record AssessorUpdated Feb 2026

511 Walnut St, #A

4 bd · 5 ba · 4,986 sqft · 0.126 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$12,000,000Mar 2024 $29,8502025 Amount on Record Aug 2018 2 Names on Record Assessor + 3 DocumentsUpdated Feb 2026

520 Walnut St

4 bd · 5 ba · 3,968 sqft · 0.129 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,950,000Mar 2018 $30,6022025 —Jul 2007 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

523 Walnut St, #A

4 bd · 4.5 ba · 3,815 sqft · 0.126 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,120,000Oct 2012 $31,6462025 —Nov 2020 1 Name on Record Assessor + 4 DocumentsUpdated Aug 2026

528 Walnut St

0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2021 $1932025 —Sep 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

529 Walnut St, #B

4 bd · 4 ba · 4,390 sqft · 0.099 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2018 $34,4372025 1 Name on Record Assessor + 5 DocumentsUpdated Feb 2026

532 Walnut St, #B

4 bd · 5 ba · 3,455 sqft · 0.077 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$6,550,000Feb 2021 $23,5122025 Amount on Record Jun 2008 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

536 Walnut St, #A

4 bd · 5 ba · 3,649 sqft · 0.094 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,100,000Sep 2018 $25,5972025 Amount on Record May 2017 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

540 Walnut St, #C

7 bd · 8 ba · 5,199 sqft · 0.158 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$7,100,000Dec 2015 $34,1342025 Amount on Record Jul 2013 1 Name on Record Assessor + 3 DocumentsUpdated Feb 2026

543 Walnut St

0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,300,000Oct 2019 $21,0632025 Amount on Record Apr 2013 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

546 Walnut St, #B

4 bd · 5.5 ba · 4,621 sqft · 0.173 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$6,600,000Feb 2008 $27,6422025 —Feb 2008 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

552 Walnut St, #A

5 bd · 6 ba · 4,627 sqft · 0.151 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$6,250,000Mar 2017 $30,2852025 1 Name on Record Assessor + 3 DocumentsUpdated May 2026

Wildfire Risk on Walnut St

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

Wildfire RiskLow
this street's cells rank at the 20th percentile of exposed land nationally · 9th in Colorado
Wildfire LikelihoodLow — about 1 in 4,545 per year
ExposureIndirect
0 of 1 cells directly exposed

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