William St, Danbury, CT Property Records

Danbury City property records for 28 addresses on William St, Danbury, CT · Last verified August 2026

William St Highlights

Properties 28
Median Sale Price $675,000
Deeds and Mortgages on File 31
Median Price per Sqft $236
Owner Occupied 39%
Median Annual Tax Bill $6,236
Median Year Built 1900
Median Ownership Tenure 7 years

Properties on William St

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

2 William St

5 bd · 2 ba · 1,092 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Feb 2025 $5,7432025 Amount on Record Nov 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

8 William St

6 bd · 3 ba · 2,736 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$224,179Aug 2015 $7,1042025 Amount on Record Nov 2001 1 Name on Record AssessorUpdated Jul 2026

9 William St

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Apr 2008 $8,7522025 Amount on Record Nov 2002 1 Name on Record AssessorUpdated Jul 2026

10 William St, #12

8 bd · 4 ba · 2,464 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$679,000Dec 2024 $7,5832025 Amount on Record Sep 2017 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

11 William St

3 bd · 2.5 ba · 1,710 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 2016 $4,8532025 1 Name on Record AssessorUpdated Jul 2026

14 William St

3 bd · 1 ba · 924 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0292025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

15 William St

6 bd · 2 ba · 2,540 sqft · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,500Sep 1977 $7,6362025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

19 William St

8 bd · 4 ba · 3,599 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$781,000Aug 2023 $11,6612025 Amount on Record Jan 2002 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21 William St

3 bd · 3 ba · 1,400 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Nov 2022 $4,9142025 Amount on Record Feb 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

23 William St

3 bd · 1 ba · 1,520 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Dec 2001 $4,9072025 —Mar 2001 1 Name on Record AssessorUpdated Jul 2026

24 William St

5 bd · 3 ba · 2,120 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,3592025 1 Name on Record AssessorUpdated Jul 2026

25 William St

6 bd · 2 ba · 2,208 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$63,375Jun 2000 $8,8572025 Amount on Record Jun 2000 1 Name on Record AssessorUpdated Jul 2026

27 William St

4 bd · 2 ba · 1,372 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$339,000Mar 2006 $5,0902025 Amount on Record Aug 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

29 William St

3 bd · 1 ba · 1,087 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$231,000May 2025 $3,3622025 Amount on Record Aug 1997 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

31 William St

7 bd · 3 ba · 2,288 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jun 2026 $6,2362025 Amount on Record Sep 2020 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

33 William St

8 bd · 4 ba · 3,770 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$825,000Aug 2025 $8,5592025 Amount on Record Sep 2021 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

35 William St

4 bd · 1 ba · 1,248 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$199,000Jan 2024 $4,4692025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

36 William St

0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$122,500Jun 1981 $5,9562025 2 Names on Record AssessorUpdated Jul 2026

37 William St

4 bd · 2 ba · 2,096 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$730,000Jun 2022 $5,8292025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

37A William St

0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3012025 1 Name on Record AssessorUpdated Jul 2026

38 William St

8 bd · 3 ba · 2,270 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Apr 2010 $6,7102025 1 Name on Record AssessorUpdated Jul 2026

39 William St

6 bd · 2 ba · 2,366 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$323,000Feb 2004 $6,5582025 Amount on Record Mar 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

42 William St

51,742 sqft · Built 1977 · 1.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,720,090Dec 1993 $139,9752025 1 Name on Record AssessorUpdated Jul 2026

44 William St

3 bd · 1.5 ba · 1,620 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Feb 2019 $4,7582025 —Dec 2015 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

46 William St

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Mar 2022 $8,8132025 Amount on Record Dec 2010 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

47 William St

3,161 sqft · Built 1957 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

49 William St

4 bd · 2 ba · 1,664 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Aug 2017 $5,6402025 Amount on Record — 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

57 William St

8 bd · 4 ba · 3,030 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$716,050Feb 2022 $11,2012025 Amount on Record Feb 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

Property Records in Nearby Streets