Willis Ave, Ronkonkoma, NY Property Records

Suffolk County and Brookhaven Town property records for 20 addresses on Willis Ave, Ronkonkoma, NY · Last verified September 2026

Willis Ave Highlights

Properties 20
Median Sale Price $425,000
Deeds and Mortgages on File 19
Median Price per Sqft $246
Owner Occupied 90%
Median Annual Tax Bill $9,196
Median Year Built 1957
Median Ownership Tenure 7 years

Properties on Willis Ave

Address Details Last Sale Tax Bill Records Owner

1 Willis Ave

3 bd · 1 ba · 1,620 sqft built 1952 · 0.6 acres $9,441 2024 Assessor + 1 Document Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

3 Willis Ave

4 bd · 1 ba · 1,428 sqft built 1928 · 0.41 acres $8,058 2024 Assessor + 1 Document Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

4 Willis Ave

4 bd · 2 ba · 2,548 sqft built 1930 · 0.23 acres $428,768 Dec 2019 $10,331 2024 Assessor + 2 Documents Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

7 Willis Ave

4 bd · 2 ba · 1,860 sqft built 1968 · 0.089 acres $535,000 Apr 2023 $9,145 2024 Assessor + 1 Document Updated Aug 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

8 Willis Ave

2 bd · 1 ba · 2,240 sqft built 1971 · 0.41 acres $240,000 Sep 2001 $8,935 2024 Assessor + 1 Document Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

9 Willis Ave

3 bd · 1 ba · 884 sqft built 1950 · 0.089 acres $450,000 Nov 2024 $6,394 2024 Assessor + 1 Document Updated Aug 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

11 Willis Ave

3 bd · 1 ba · 2,154 sqft built 1940 · 0.319 acres $9,718 2024 Assessor Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

16 Willis Ave

2 bd · 1 ba · 1,404 sqft built 1939 · 0.23 acres $407,000 May 2023 $4,822 2024 Assessor + 2 Documents Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

17 Willis Ave

2 bd · 1 ba · 1,215 sqft built 1957 · 0.18 acres $5,453 2024 Assessor Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

18 Willis Ave

3 bd · 1 ba · 1,902 sqft built 1975 · 0.089 acres $364,000 Jul 2019 $9,615 2024 Assessor + 2 Documents Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

19 Willis Ave

3 bd · 2 ba · 1,424 sqft built 1959 · 0.269 acres $351,000 May 2022 $8,745 2024 Assessor + 3 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

20 Willis Ave

3 bd · 1 ba · 1,288 sqft built 1955 · 0.269 acres $400,000 Feb 2005 $8,621 2024 Assessor Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

21 Willis Ave

3 bd · 2 ba · 1,487 sqft built 1967 · 0.269 acres $10,286 2024 Assessor Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

25 Willis Ave

3 bd · 2 ba · 1,609 sqft built 1955 · 0.28 acres $9,196 2024 Assessor + 2 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

29 Willis Ave

0.18 acres $425,000 Oct 2016 $12,923 2024 Assessor + 1 Document Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

30 Willis Ave

4 bd · 2 ba · 1,689 sqft built 1992 · 0.26 acres $295,000 Sep 2003 $10,679 2024 Assessor Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

31 Willis Ave

3 bd · 1 ba · 1,663 sqft built 1960 · 0.18 acres $7,526 2024 Assessor + 1 Document Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

38 Willis Ave

3 bd · 1 ba · 1,280 sqft built 1989 · 0.18 acres $7,762 2024 Assessor Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

40 Willis Ave

3 bd · 1 ba · 1,542 sqft built 1940 · 0.23 acres $340,000 Jul 2009 $9,492 2024 Assessor Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

47 Willis Ave

5 bd · 2 ba · 2,272 sqft built 1991 · 0.319 acres — Sep 1997 $12,769 2024 Assessor + 1 Document Updated Aug 2026 Owner on File Owner Occupied

Property Records in Nearby Streets