Dehan St, Smithtown, NY Property Records

Suffolk County and Smithtown Town property records for 34 addresses on Dehan St, Smithtown, NY · Last verified August 2026

Dehan St Highlights

Properties 34
Median Sale Price $775,000
Deeds and Mortgages on File 39
Median Price per Sqft $364
Owner Occupied 91%
Median Annual Tax Bill $14,892
Median Year Built 1970
Median Ownership Tenure 16 years

Properties on Dehan St

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

8 Dehan St

3 bd · 2 ba · 1,148 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$618,500Apr 2020 $11,4302024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

10 Dehan St

3 bd · 1 ba · 908 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,000Mar 2000 $8,5832024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

11 Dehan St

3 bd · 2 ba · 1,071 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$790,000Oct 2025 $12,9682024 Amount on Record May 2011 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

14 Dehan St

3 bd · 1 ba · 1,476 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Aug 2004 $10,2462024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

15 Dehan St

3 bd · 1 ba · 1,421 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$335,000Jan 2017 $10,1942024 Amount on Record Jun 2001 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

16 Dehan St

4 bd · 2.5 ba · 1,118 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,3292024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

17 Dehan St

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$309,000Jun 2004 $8,6452024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

19 Dehan St

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,2752024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

21 Dehan St

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Feb 2026 $11,0242024 Amount on Record Dec 2018 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

23 Dehan St

0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9042024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

24 Dehan St

3 bd · 2 ba · 1,485 sqft · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$530,000Sep 2020 $14,6582024 Amount on Record Jul 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

26 Dehan St

4 bd · 2.5 ba · 2,704 sqft · 0.38 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Oct 2003 $14,7842024 Amount on Record Oct 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

27 Dehan St

4 bd · 2.5 ba · 2,121 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$653,000Aug 2016 $16,8512024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

28 Dehan St

4 bd · 2.5 ba · 1,995 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$241,000Aug 1997 $14,8922024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

29 Dehan St

0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$520,000Jan 2008 $13,3292024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

30 Dehan St

5 bd · 2.5 ba · 2,193 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Jul 1994 $16,4002024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

31 Dehan St

4 bd · 2 ba · 2,098 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,4742024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

32 Dehan St

4 bd · 2 ba · 2,028 sqft · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$350,000Mar 2004 $19,0942024 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

33 Dehan St

4 bd · 2 ba · 1,825 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$339,000Jan 2017 $13,7542024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

34 Dehan St

4 bd · 2.5 ba · 2,772 sqft · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$260,000Mar 1994 $21,8012024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

35 Dehan St

4 bd · 2.5 ba · 2,332 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$849,000Aug 2023 $16,0122024 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

36 Dehan St

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Sep 2006 $15,7112024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

37 Dehan St

3 bd · 2 ba · 2,025 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$415,000Aug 2002 $13,7352024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

38 Dehan St

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$590,000May 2006 $15,9582024 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

39 Dehan St

4 bd · 2.5 ba · 2,332 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$50,631Jan 2017 $14,3532024 Amount on Record Feb 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

40 Dehan St

4 bd · 2.5 ba · 2,332 sqft · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$270,000Feb 1999 $16,4412024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

47 Dehan St

5 bd · 2 ba · 2,245 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Nov 2020 $16,6852024 Amount on Record Nov 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

48 Dehan St

4 bd · 3.5 ba · 2,602 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$15,3232024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

49 Dehan St

4 bd · 3 ba · 2,175 sqft · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$529,900Jan 2014 $15,7612024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

50 Dehan St

4 bd · 2 ba · 2,005 sqft · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$780,000Aug 2022 $16,7612024 Amount on Record Apr 2022 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

53 Dehan St

0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,9622024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

54 Dehan St

5 bd · 3 ba · 2,812 sqft · 0.58 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$439,000Feb 2010 $14,2302024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

56 Dehan St

4 bd · 2.5 ba · 2,737 sqft · 0.65 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$563,000Aug 2014 $20,0422024 Amount on Record Nov 1999 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

58 Dehan St

4 bd · 2 ba · 1,825 sqft · 0.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,000Apr 1996 $18,4202024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

Wildfire Risk on Dehan St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 3rd percentile of exposed land nationally · 4th in New York
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
2 of 5 cells directly exposed · 4 adjoin burnable vegetation

Property Records in Nearby Streets