Delaware Ave, Commack, NY Property Records

Suffolk County, Smithtown Town and Babylon Town property records for 48 addresses on Delaware Ave, Commack, NY · Last verified August 2026

Delaware Ave Highlights

Properties 48
Median Sale Price $550,000
Deeds and Mortgages on File 41
Median Price per Sqft $399
Owner Occupied 96%
Median Annual Tax Bill $11,454
Median Year Built 1957
Median Ownership Tenure 20 years

Properties on Delaware Ave

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

2 Delaware Ave

3 bd · 2 ba · 1,210 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,2632024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

3 Delaware Ave

3 bd · 1 ba · 982 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$143,000Aug 1994 $3,3672024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4 Delaware Ave

2 bd · 1 ba · 982 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$392,000Dec 2017 $11,4542024 Amount on Record Apr 2008 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

5 Delaware Ave

3 bd · 2 ba · 1,416 sqft · 0.25 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1997 $13,8522024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

6 Delaware Ave

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8882024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

7 Delaware Ave

2 bd · 2 ba · 1,689 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$354,000Jul 2018 $15,9352024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

8 Delaware Ave

2 ba · 828 sqft · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Aug 2017 $8,5392024 Amount on Record Jan 1998 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

9 Delaware Ave

3 bd · 2 ba · 966 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$775,000Aug 2025 $11,1382024 Amount on Record Nov 2002 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

10 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Nov 2021 $12,1662024 —May 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

11 Delaware Ave

5 bd · 3.5 ba · 1,814 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$18,7762024 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

12 Delaware Ave

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,6072024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

14 Delaware Ave

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,9222024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

15 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,3672024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16 Delaware Ave

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,3502024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

17 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Dec 2020 $18,9562024 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

18 Delaware Ave

3 bd · 2 ba · 1,416 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$380,000Dec 2017 $10,7592024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

19 Delaware Ave

3 bd · 2 ba · 1,416 sqft · 0.25 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$11,4932024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

20 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,6792024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

21 Delaware Ave

3 bd · 1 ba · 982 sqft · 0.25 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$395,000Oct 2016 $12,0472024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

22 Delaware Ave

3 bd · 1 ba · 1,398 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$165,000May 1996 $11,3372024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

23 Delaware Ave

0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,1662024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

24 Delaware Ave

2 bd · 1 ba · 982 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$425,000Jan 2005 $9,7312024 Amount on Record Sep 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25 Delaware Ave

3 bd · 1.5 ba · 1,416 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$188,000Apr 1998 $12,1662024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

26 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Jul 1999 $10,5392024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

27 Delaware Ave

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9542024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

28 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$436,000May 2005 $9,7312024 Amount on Record Nov 1993 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

29 Delaware Ave

2 ba · 1,295 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,5602024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

30 Delaware Ave

3 bd · 1.5 ba · 1,338 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$595,000Aug 2021 $11,2902024 Amount on Record Jan 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

31 Delaware Ave

0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,4132024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

32 Delaware Ave

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,6502024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

33 Delaware Ave

3 bd · 1.5 ba · 1,660 sqft · 1.01 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$550,000Mar 2019 $13,8912024 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

34 Delaware Ave

3 bd · 1.5 ba · 1,416 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,1452024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

35 Delaware Ave

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7142024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

36 Delaware Ave

0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000Jun 2006 $11,3762024 Amount on Record Oct 1999 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

37 Delaware Ave

1.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Apr 2001 $20,6922024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

38 Delaware Ave

4 bd · 2 ba · 450 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$163,000Jan 1998 $6,9252024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

39 Delaware Ave

3 bd · 1 ba · 982 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Oct 2016 $10,8392024 —Mar 2011 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

40 Delaware Ave

3 bd · 2 ba · 1,266 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$357,000Jul 2002 $14,0912024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

41 Delaware Ave

4 bd · 1 ba · 1,330 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,000Mar 1999 $12,2592024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

42 Delaware Ave

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Mar 2006 $12,3392024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

43 Delaware Ave

3 bd · 1.5 ba · 966 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$335,000Jun 2002 $12,2642024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

44 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Jul 2011 $11,8142024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

45 Delaware Ave

4 bd · 1.5 ba · 1,416 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$438,000Apr 2020 $12,6712024 Amount on Record Apr 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

46 Delaware Ave

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Oct 2013 $13,4062024 Amount on Record May 2010 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

47 Delaware Ave

3 bd · 1 ba · 982 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Nov 1999 $9,7312024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

49 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,000Feb 2001 $9,7312024 Amount on Record Jul 1996 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

51 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000May 1996 $11,1382024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

53 Delaware Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,3672024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

Wildfire Risk on Delaware Ave

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

Wildfire RiskLow
this street's cells rank at the 4th percentile of exposed land nationally · 5th 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