Prospect St, Lyons, CO Property Records

Boulder County property records for 17 addresses on Prospect St, Lyons, CO · Last verified July 2026

Prospect St Highlights

Properties 17
Median Sale Price $260,056
Deeds and Mortgages on File 15
Median Price per Sqft $206
Owner Occupied 29%
Median Annual Tax Bill $4,745
Median Year Built 1960
Median Ownership Tenure 27 years

Properties on Prospect St

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

405 Prospect St

2 bd · 1 ba · 1,064 sqft · 0.175 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Dec 2008 Sale Amount Sep 1988 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

406 Prospect St

4 bd · 2 ba · 1,144 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$304,000Aug 2007 $6,5492025 Sale Amount Feb 2004 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

410 Prospect St

3 bd · 1.5 ba · 1,224 sqft · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$240,000Feb 2004 $5,3902025 Sale Amount Dec 2003 1 Name on Record AssessorUpdated Jun 2026

415 Prospect St

2 bd · 1 ba · 934 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,720Jan 2016 Sale Amount Apr 2003 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

420 Prospect St

3 bd · 1.75 ba · 2,108 sqft · 0.158 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$69,000Jun 2018 $8,4092025 Sale Amount Aug 2010 2 Names on Record Assessor + 4 DocumentsUpdated Jun 2026

425 Prospect St

2 bd · 1 ba · 1,312 sqft · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,056Oct 2018 —May 1990 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

435 Prospect St

2 bd · 1 ba · 864 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000Sep 1986 $4,6062025 —Sep 1986 2 Names on Record AssessorUpdated Jun 2026

436 Prospect St

2 bd · 1 ba · 2,216 sqft · 0.317 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1957 $4,8162025 1 Name on Record AssessorUpdated Jun 2026

440 Prospect St

2 bd · 1 ba · 1,548 sqft · 0.317 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$189,900Aug 1999 $4,4582025 Sale Amount Feb 1981 1 Name on Record AssessorUpdated Jun 2026

441 Prospect St

2 bd · 1 ba · 960 sqft · 0.205 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$22,000Jul 1976 $4,7212025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

443 Prospect St

1 bd · 1.75 ba · 1,256 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1992 $3,4772025 Sale Amount May 1987 1 Name on Record AssessorUpdated Jun 2026

532 Prospect St

8 bd · 4 ba · 2,944 sqft · 0.156 acres

Last Sale Tax Bill Prior Sale Owner Records
$755,000Apr 2021 $7,1472025 Sale Amount Aug 1996 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

535 Prospect St

1 bd · 1 ba · 885 sqft · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$149,000Dec 1991 $4,2212025 Sale Amount Jan 1991 2 Names on Record AssessorUpdated Jun 2026

539 Prospect St

3 bd · 1.5 ba · 1,800 sqft · 0.085 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$136,000Sep 1996 $4,7452025 —Sep 1996 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

540 Prospect St

3 bd · 1 ba · 1,800 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Mar 2020 $4,0822025 —May 1991 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

601 Prospect St

2 bd · 1 ba · 912 sqft · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000Nov 1984 $3,5322025 Sale Amount Mar 1976 1 Name on Record AssessorUpdated Jun 2026

602 Prospect St

2 bd · 2.5 ba · 2,294 sqft · 0.245 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$95,500Jun 1993 $6,2362025 Sale Amount Nov 1988 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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