Mount Ave, West Babylon, NY Property Records

Suffolk County and Babylon Town property records for 27 addresses on Mount Ave, West Babylon, NY · Last verified August 2026

Mount Ave Highlights

Properties 27
Median Sale Price $440,000
Deeds and Mortgages on File 30
Median Price per Sqft $300
Owner Occupied 63%
Median Annual Tax Bill $11,161
Median Year Built 1961
Median Ownership Tenure 11 years

Properties on Mount Ave

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

537 Mount Ave

1.5 ba · 1,348 sqft · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Jan 2020 $12,1212024 Amount on Record Jun 2019 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

545 Mount Ave

1 ba · 1,561 sqft · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$645,000Dec 2025 $7,3492024 Amount on Record Dec 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

549 Mount Ave

2 ba · 1,068 sqft · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2019 $6,8272024 Amount on Record Sep 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

555 Mount Ave

1.5 ba · 2,340 sqft · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,1612024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

557 Mount Ave

2.5 ba · 2,150 sqft · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,500Dec 2015 $11,4802024 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

570 Mount Ave

1 ba · 1,344 sqft · 0.259 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Mar 2001 $11,5942024 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

571 Mount Ave

1 ba · 1,346 sqft · 0.312 acres

Last Sale Tax Bill Prior Sale Owner Records
$296,500Dec 2016 $11,6552024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

574 Mount Ave

2.5 ba · 1,931 sqft · 0.243 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jun 2000 $8,3982024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

588 Mount Ave

1.5 ba · 1,511 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$252,850Mar 2004 $13,8912024 Amount on Record May 2002 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

590 Mount Ave

2.5 ba · 2,094 sqft · 0.461 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,920Aug 2017 $13,7522024 Amount on Record Jan 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

591 Mount Ave

1.13 acres

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

594 Mount Ave

2 ba · 2,423 sqft · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Jan 2019 $13,2862024 Amount on Record Jun 2018 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

595 Mount Ave

1 ba · 1,000 sqft · 0.337 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Aug 2013 $9,7292024 Amount on Record May 2000 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

599 Mount Ave

3 ba · 2,017 sqft · 0.284 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Sep 2009 $15,7162024 Amount on Record — 1 Name on Record AssessorUpdated Aug 2026

606 Mount Ave

2.5 ba · 1,901 sqft · 0.236 acres

Last Sale Tax Bill Prior Sale Owner Records
$323,500Jun 2015 $13,0202024 Amount on Record May 2014 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

626 Mount Ave

2 ba · 1,382 sqft · 0.272 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Jan 2025 $9,4632024 Amount on Record Feb 2011 2 Names on Record AssessorUpdated Aug 2026

627 Mount Ave

1 ba · 1,053 sqft · 0.321 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Sep 2021 $9,2242024 Amount on Record Oct 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

631 Mount Ave

2.5 ba · 2,016 sqft · 0.541 acres

Last Sale Tax Bill Prior Sale Owner Records
$590,000Jun 2023 $12,8872024 Amount on Record Nov 2017 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

635 Mount Ave

2 ba · 1,466 sqft · 0.325 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Oct 2017 $11,6212024 Amount on Record Mar 2005 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

639 Mount Ave

2 ba · 1,612 sqft · 0.291 acres

Last Sale Tax Bill Prior Sale Owner Records
$273,000Aug 2013 $9,3302024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

669 Mount Ave

3 ba · 2,310 sqft · 0.286 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,1222024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

716 Mount Ave

0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jul 2015 $1,4062024 —Dec 2008 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

725 Mount Ave, #735

15,480 sqft · Built 1965 · 1.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$635,000Nov 2003 $36,5422024 1 Name on Record AssessorUpdated Aug 2026

728 Mount Ave

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4802024 1 Name on Record AssessorUpdated Aug 2026

732 Mount Ave

0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$6662024 1 Name on Record AssessorUpdated Aug 2026

736 Mount Ave

1 ba · 864 sqft · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Nov 2013 $8,0552024 Amount on Record May 2012 1 Name on Record AssessorUpdated Aug 2026

777 Mount Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,228,600Jun 2013 1 Name on Record AssessorUpdated Apr 2024

Wildfire Risk on Mount 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 2nd percentile of exposed land nationally · 2nd in New York
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 7 cells directly exposed · 5 adjoin burnable vegetation

Property Records in Nearby Streets