First St, Hartford, WI Property Records

Washington County property records for 42 addresses on First St, Hartford, WI · Last verified August 2026

First St Highlights

Properties 42
Median Sale Price $235,000
Deeds and Mortgages on File 47
Median Price per Sqft $150
Owner Occupied 81%
Median Annual Tax Bill $2,571
Median Year Built 1920
Median Ownership Tenure 8 years

Properties on First St

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

119 First St

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Feb 2026

200 First St

20,634 sqft · built 1974 · 1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1552025 Owner on Record Owner Occupied AssessorUpdated Feb 2026

217 First St

1,792 sqft · built 1950 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000Dec 2010 $7262025 Owner on Record AssessorUpdated Feb 2026

223 First St

4 bd · 1 ba · 1,230 sqft · built 1862 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$156,000Jul 2022 $1,7452025 —May 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

231 First St

4 bd · 2 ba · 1,851 sqft · built 1900 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Mar 2025 $2,1392025 —Dec 2018 Owner on Record AssessorUpdated Aug 2026

234 First St

2 bd · 1 ba · 810 sqft · built 1880 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0462025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

302 First St

3 bd · 2 ba · 1,644 sqft · built 1905 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3922025 2 Owners on Record AssessorUpdated Feb 2026

309 First St

3 bd · 1 ba · 1,300 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0332025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

405 First St

5 bd · 2 ba · 3,140 sqft · built 1915 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$129,000Sep 2007 $2,8902025 —Mar 2007 Owner on Record AssessorUpdated Jul 2026

416 First St

4 bd · 2 ba · 1,976 sqft · built 1930 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3442025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

421 First St

4 bd · 2 ba · 1,824 sqft · built 1913 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Sep 2025 $1,8632025 Amount on Record Feb 2025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

422 First St

4 bd · 2 ba · 1,976 sqft · built 1910 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$71,800Apr 2017 $2,5552025 Owner on Record Assessor + 2 DocumentsUpdated Feb 2026

430 First St

3 bd · 2 ba · 1,172 sqft · built 1900 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,900Jul 2018 $3,3312025 Amount on Record Jul 2016 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

431 First St

2 bd · 2 ba · 1,689 sqft · built 1927 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7722025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

440 First St

3 bd · 1 ba · 1,098 sqft · built 1958 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$178,000May 2018 $2,5332025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

443 First St

3 bd · 2 ba · 1,616 sqft · built 1899 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Aug 2021 $3,0402025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

448 First St

3 bd · 2 ba · 1,568 sqft · built 1947 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jan 2022 $1,6252025 Amount on Record Nov 2021 Owner on Record Assessor + 5 DocumentsUpdated Aug 2026

449 First St

2 bd · 1 ba · 1,248 sqft · built 1895 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Jul 2021 $2,1802025 Amount on Record Feb 2017 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Feb 2026

504 First St

3 bd · 1 ba · 1,242 sqft · built 1900 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,900Nov 2025 $2,7612025 —Sep 2021 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Feb 2026

507 First St

3 bd · 2 ba · 1,716 sqft · built 1905 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,500May 2005 $2,7552025 3 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

510 First St

3 bd · 2 ba · 1,590 sqft · built 1948 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,000Aug 2016 $2,2812025 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

516 First St

4 bd · 2 ba · 1,876 sqft · built 1900 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 2022 $2,7382025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

517 First St

3 bd · 2 ba · 1,480 sqft · built 1900 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000May 2000 $2,5872025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

523 First St

3 bd · 1.5 ba · 1,472 sqft · built 1908 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$146,400Feb 2017 $2,5282025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

625 First St

4 bd · 1 ba · 1,569 sqft · built 1925 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Nov 2022 $2,7742025 Amount on Record Jun 2015 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

628 First St

4 bd · 2 ba · 2,019 sqft · built 1927 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,900Sep 2018 $3,2092025 Amount on Record Jul 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

631 First St

3 bd · 1 ba · 1,509 sqft · built 1953 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,000Aug 2016 $2,6202025 Owner on Record AssessorUpdated Feb 2026

639 First St

4 bd · 3 ba · 1,625 sqft · built 1941 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Dec 2021 $2,8952025 Amount on Record May 2011 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

645 First St

3 bd · 2 ba · 1,246 sqft · built 1950 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Mar 2014 $2,6562025 Owner on Record AssessorUpdated Feb 2026

646 First St

3 bd · 2 ba · 1,368 sqft · built 1946 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$197,000Jun 2018 $2,5712025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

651 First St

3 bd · 1 ba · 1,156 sqft · built 1955 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Jun 2022 $2,2642025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

654 First St

2 bd · 1 ba · 1,208 sqft · built 1951 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$289,500Apr 2026 $2,3812025 Amount on Record Feb 2005 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

657 First St

3 bd · 1 ba · 1,122 sqft · built 1900 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,700May 2023 $2,4852025 Amount on Record Oct 2016 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

6140 First St

1.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$294,000May 2004 $4,2682025 Owner on Record Owner Occupied AssessorUpdated Feb 2026
Last Sale Tax Bill Prior Sale Owner Records
$195,500Jan 2021 $2,0922025 —Sep 2006 Owner on Record Owner Occupied AssessorUpdated Feb 2026
Last Sale Tax Bill Prior Sale Owner Records
$2,3782025 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

6150 First St

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,000Oct 2016 $3,0652025 Amount on Record Jan 2016 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

6154 First St

1.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Aug 2022 $4,0352025 Amount on Record May 2007 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

6157 First St

1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$334,000Jan 2018 $3,4172025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

6162 First St

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,600Jun 2015 $3,0102025 Amount on Record May 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026
Last Sale Tax Bill Prior Sale Owner Records
$266,000Nov 2019 $2,9272025 Amount on Record Jun 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

6172 First St

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3232025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

Property Records in Nearby Streets