Louis Ave, Franklin Square, NY Property Records

Nassau County and Hempstead Town property records for 4 addresses on Louis Ave, Franklin Square, NY · Last verified July 2026

Louis Ave Highlights

Properties 4
Latest Sale $500,000 (Dec 2007)
Deeds and Mortgages on File 2
Average Living Area 1,485 sq ft
Owner Occupied 100%
Median Annual Tax Bill $11,652
Median Year Built 1953
Average Ownership Tenure 19 years

Properties on Louis Ave

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

491 Louis Ave

2 ba · 1,338 sqft · built 1950 · 0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9752025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

492 Louis Ave

2 ba · 1,632 sqft · built 1950 · 0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,8812025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

509 Louis Ave

2 ba · 1,221 sqft · built 1953 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,5232025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

510 Louis Ave

3 ba · 1,749 sqft · built 1953 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Dec 2007 $11,6522025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

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