Mountain Ave, Hillburn, NY Property Records

Rockland County and Ramapo Town property records for 29 addresses on Mountain Ave, Hillburn, NY · Last verified August 2026

Mountain Ave Highlights

Properties 29
Median Sale Price $469,000
Deeds and Mortgages on File 38
Median Price per Sqft $280
Owner Occupied 59%
Median Annual Tax Bill $12,366
Median Year Built 1910
Median Ownership Tenure 4 years

Properties on Mountain Ave

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

17 Mountain Ave

3 bd · 2 ba · 1,874 sqft · built 1900 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Jan 2024 Amount on Record Apr 2008 2 Owners on Record Assessor + 1 DocumentUpdated Jan 2026

19 Mountain Ave

3 bd · 1 ba · 1,000 sqft · built 1890 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jan 2026

20 Mountain Ave

3 bd · 1.5 ba · 1,900 sqft · built 1980 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Feb 2023 $12,3662024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

21 Mountain Ave

3 bd · 2 ba · 830 sqft · built 1920 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Nov 2003 Amount on Record Feb 2002 Owner on Record AssessorUpdated Jan 2026

22 Mountain Ave

3 bd · 2 ba · 1,668 sqft · built 1900 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record AssessorUpdated Jan 2026

23 Mountain Ave

4 bd · 1 ba · 1,312 sqft · built 1890 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$469,000Jan 2026 $10,8662024 Amount on Record May 1998 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

24 Mountain Ave

3 bd · 1 ba · 1,566 sqft · built 1900 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$455,000Nov 2024 $9,9652023 —Dec 1998 Owner on Record Owner Occupied AssessorUpdated May 2026

25 Mountain Ave

2 bd · 1 ba · 908 sqft · built 1890 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$218,700Aug 2017 Owner on Record Owner Occupied AssessorUpdated Jan 2026

27 Mountain Ave

5 bd · 3 ba · 1,712 sqft · built 1930 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Apr 2024 $13,9622024 Amount on Record Aug 2017 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

30A Mountain Ave

7 bd · 3 ba · 2,919 sqft · built 1900 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2013 Owner on Record AssessorUpdated Jan 2026

31 Mountain Ave

1,815 sqft · built 1980 · 0.089 acres

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

32 Mountain Ave

3,864 sqft · built 1960 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Oct 2025 —Nov 2009 Owner on Record Assessor + 1 DocumentUpdated Jan 2026

33 Mountain Ave

4 bd · 3 ba · 3,944 sqft · built 1963 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,256May 2025 $18,4102023 Amount on Record Sep 2019 Owner on Record Assessor + 1 DocumentUpdated May 2026

36 Mountain Ave

4 bd · 3 ba · 2,487 sqft · built 1970 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2020 —Jul 2008 Owner on Record Assessor + 1 DocumentUpdated Jan 2026

37 Mountain Ave

2 bd · 1 ba · 1,148 sqft · built 1900 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Jan 2026

38 Mountain Ave

5 bd · 1 ba · 2,080 sqft · built 1910 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

39 Mountain Ave

3 bd · 1 ba · 1,476 sqft · built 1900 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Sep 2003 Owner on Record Owner Occupied AssessorUpdated Jan 2026

40 Mountain Ave

4 bd · 2 ba · 1,501 sqft · built 1910 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

41 Mountain Ave

2 bd · 1 ba · 626 sqft · built 1900 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$297,000Apr 2022 2 Owners on Record Assessor + 3 DocumentsUpdated Jan 2026

42 Mountain Ave

3 bd · 1 ba · 1,388 sqft · built 1900 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,600Dec 1998 Amount on Record Aug 1995 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jan 2026

49 Mountain Ave

4 bd · 2.5 ba · 2,136 sqft · built 1930 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000Apr 2019 $14,7282023 Amount on Record Dec 2004 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

55 Mountain Ave

5 bd · 2 ba · 2,279 sqft · built 1896 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Apr 2001 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

57 Mountain Ave

3 bd · 1 ba · 1,858 sqft · built 1890 · 0.617 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Jan 2026

60 Mountain Ave

4 bd · 2 ba · 1,973 sqft · built 1929 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Aug 2019 Amount on Record Sep 2007 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

65 Mountain Ave

2 bd · 1 ba · 966 sqft · built 1969 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Feb 2022 Amount on Record Jul 2020 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Jan 2026

66 Mountain Ave

3 bd · 1 ba · 1,057 sqft · built 1952 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Sep 2024 $10,6792023 Amount on Record Nov 2012 2 Owners on Record Assessor + 3 DocumentsUpdated Aug 2026

67 Mountain Ave

4 bd · 1 ba · 1,586 sqft · built 1890 · 0.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$176,000Sep 2017 Owner on Record Assessor + 1 DocumentUpdated Jan 2026

69 Mountain Ave

3 bd · 2 ba · 1,820 sqft · built 2005 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$608,000Mar 2024 Amount on Record Jun 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2026

99 Mountain Ave

0.78 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 8 DocumentsUpdated Jan 2026

Property Records in Nearby Streets