Norton St, Boulder, CO Property Records

Boulder County property records for 14 addresses on Norton St, Boulder, CO · Last verified August 2026

Norton St Highlights

Properties 14
Median Sale Price $930,000
Deeds and Mortgages on File 22
Median Price per Sqft $368
Owner Occupied 79%
Median Annual Tax Bill $10,006
Median Year Built 1959
Median Ownership Tenure 17 years

Properties on Norton St

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

310 Norton St, #A

5 bd · 2.5 ba · 1,776 sqft · 0.233 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$930,000May 2019 $8,8902023 —Jun 1992 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

320 Norton St

5 bd · 2.25 ba · 2,635 sqft · 0.425 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1991 $8,8802025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

325 Norton St

5 bd · 3.25 ba · 3,105 sqft · 0.231 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,900,000Jul 2026 $10,7732025 Sale Amount Apr 2019 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

330 Norton St

4 bd · 2.5 ba · 2,672 sqft · 0.297 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$887,000Sep 2009 $12,0872025 Sale Amount Aug 2008 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

335 Norton St

4 bd · 3.5 ba · 4,096 sqft · 0.324 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,090,000Jul 2017 $13,1452025 Sale Amount Sep 1988 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

340 Norton St

3 bd · 2.25 ba · 1,715 sqft · 0.263 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$120,000Dec 1984 $7,2042025 —Aug 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

345 Norton St

3 bd · 2.5 ba · 3,346 sqft · 0.415 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,150,000Apr 2024 $12,0622025 Sale Amount May 2023 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

350 Norton St

3 bd · 2.5 ba · 2,593 sqft · 0.277 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$110,000Mar 1979 $8,5582025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

355 Norton St

4 bd · 2.5 ba · 1,920 sqft · 0.623 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1989 $8,7042025 —Oct 1989 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

360 Norton St

4 bd · 2.75 ba · 2,320 sqft · 0.326 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Jul 2001 $9,8042025 —Nov 1989 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

365 Norton St

6 bd · 3.5 ba · 4,181 sqft · 0.797 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1991 $18,1912025 Sale Amount Feb 1991 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

370 Norton St

2 bd · 1.75 ba · 1,586 sqft · 0.332 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$585,000Feb 2011 $7,8892025 Sale Amount Jun 2002 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

375 Norton St

3 bd · 1.75 ba · 1,906 sqft · 0.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Jun 2002 $10,0062025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

380 Norton St

5 bd · 3.25 ba · 3,613 sqft · 0.335 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$838,000Mar 2012 $11,5542025 Sale Amount Nov 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Property Records in Nearby Streets