Mills Ave, Gillette, WY Property Records

Campbell County property records for 27 addresses on Mills Ave, Gillette, WY · Last verified October 2026

Mills Ave Highlights

Properties 27
Median Sale Price $270,700
Deeds and Mortgages on File 27
Median Price per Sqft $108
Owner Occupied 85%
Median Annual Tax Bill $1,540
Median Year Built 1982
Median Ownership Tenure 13 years

Properties on Mills Ave

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

301 Mills Ave

3 bd · 2 ba · 1,408 sqft · built 1994 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2022 $1,3222025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

305 Mills Ave

3 bd · 2 ba · 1,120 sqft · built 1994 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$7722025 2 Owners on Record AssessorUpdated Jul 2026

308 Mills Ave

3 bd · 1 ba · 1,008 sqft · built 1993 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,300Dec 2007 $1,1282025 Amount on Record Jul 2006 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

309 Mills Ave

3 bd · 1 ba · 1,744 sqft · built 1983 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$9082025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

310 Mills Ave

3 bd · 1 ba · 1,120 sqft · built 1995 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$8962025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

312 Mills Ave

3 bd · 1.5 ba · 1,303 sqft · built 1977 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0802025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

315 Mills Ave

5 bd · 3 ba · 2,520 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6842025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

316 Mills Ave

4 bd · 2 ba · 1,900 sqft · built 1992 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,200May 2008 $1,5802025 —May 2008 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

317 Mills Ave

3 bd · 1.5 ba · 1,280 sqft · built 1998 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0372025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

321 Mills Ave

3 bd · 2 ba · 1,592 sqft · built 1998 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,500Aug 2007 $1,2212025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

324 Mills Ave

3 bd · 3 ba · 1,924 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$9832025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

325 Mills Ave

4 bd · 1 ba · 1,728 sqft · built 1999 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,300Jan 2011 $1,1642025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

328 Mills Ave

3 bd · 2 ba · 1,288 sqft · built 2002 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0542025 Owner on Record AssessorUpdated Oct 2026

331 Mills Ave

2 bd · 1 ba · 2,016 sqft · built 2000 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$194,600Apr 2008 $1,0052025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

401 Mills Ave

3 bd · 2.5 ba · 2,626 sqft · built 1977 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$357,013May 2026 $1,5602025 Amount on Record Oct 2022 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

402 Mills Ave

3 bd · 3 ba · 2,200 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$273,400Feb 2019 $1,5932025 Amount on Record Jul 2009 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

407 Mills Ave

4 bd · 3 ba · 2,576 sqft · built 1981 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6762025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

409 Mills Ave

3 bd · 2 ba · 4,400 sqft · built 1982 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,700Mar 2013 $1,8912025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

410 Mills Ave

3 bd · 2.5 ba · 2,214 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7582025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

501 Mills Ave

4 bd · 3 ba · 2,646 sqft · built 1982 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,500Aug 2006 $2,0002025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

502 Mills Ave

3 bd · 2.5 ba · 2,672 sqft · built 1978 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$321,300Jan 2014 $2,1442025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

505 Mills Ave

3 bd · 2 ba · 2,270 sqft · built 1982 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8732025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

511 Mills Ave

4 bd · 2.5 ba · 3,430 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,400Jul 2020 $2,4562025 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

513 Mills Ave

3 bd · 2 ba · 1,672 sqft · built 1982 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2011 $1,5402025 —May 2011 Owner on Record Owner Occupied AssessorUpdated Oct 2026

603 Mills Ave

3 bd · 2.5 ba · 2,062 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $1,7102025 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

607 Mills Ave

4 bd · 3 ba · 2,488 sqft · built 1978 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$269,200Oct 2019 $1,9292025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

608 Mills Ave

4 bd · 3 ba · 2,416 sqft · built 1977 · 1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1282025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

Property Records in Nearby Streets