Old Post Rd, Seaford, NY Property Records

Nassau County, Oyster Bay Town and Hempstead Town property records for 29 addresses on Old Post Rd, Seaford, NY · Last verified August 2026

Old Post Rd Highlights

Properties 29
Median Sale Price $630,000
Deeds and Mortgages on File 27
Median Price per Sqft $514
Owner Occupied 83%
Median Annual Tax Bill $13,229
Median Year Built 1954
Median Ownership Tenure 7 years

Properties on Old Post Rd

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

39 Old Post Rd

1 ba · 1,235 sqft · 0.133 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7752025 1 Name on Record AssessorUpdated Jun 2026

3923 Old Post Rd

1 ba · 1,176 sqft · 0.155 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,5942025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

3936 Old Post Rd

2 ba · 1,716 sqft · 0.177 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,1552025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

3939 Old Post Rd

4 bd · 2 ba · 1,708 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,9942025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3944 Old Post Rd

2 ba · 1,320 sqft · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Oct 2022 $10,2692025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

3945 Old Post Rd

1 ba · 1,235 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$635,000Nov 2025 $8,9452025 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

3951 Old Post Rd

2 ba · 1,176 sqft · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7722025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

3957 Old Post Rd

1 ba · 1,235 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$156,000Jan 1996 $8,9452025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

3963 Old Post Rd

1 ba · 1,176 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$685,000Jan 2026 $6,5402025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

3969 Old Post Rd

2 ba · 1,834 sqft · 0.144 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1996 $12,0952025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

3970 Old Post Rd

1 ba · 1,040 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,2512025 1 Name on Record AssessorUpdated Jun 2026

3975 Old Post Rd

2 ba · 1,260 sqft · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,0482025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

3981 Old Post Rd

2 ba · 1,820 sqft · 0.174 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$630,000Aug 2025 $15,3982025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3993 Old Post Rd

1 ba · 1,157 sqft · 0.159 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$441,500Nov 2017 $12,4442025 Amount on Record Mar 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

4000 Old Post Rd

2 ba · 1,715 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$15,2702025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4006 Old Post Rd

1 ba · 1,176 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$535,000Jul 2021 $13,7262025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4012 Old Post Rd

2 ba · 1,393 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,5012025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4017 Old Post Rd

4 bd · 2 ba · 1,470 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$360,000Mar 2014 $13,5982025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4018 Old Post Rd

2 ba · 1,176 sqft · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$605,000Feb 2022 $13,2762025 Amount on Record Mar 2018 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

4023 Old Post Rd

2 ba · 1,820 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,5012025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4024 Old Post Rd

4 bd · 2 ba · 1,176 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Jul 2019 $13,7592025 Amount on Record Aug 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4030 Old Post Rd

2 ba · 1,680 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,5042025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4036 Old Post Rd

2 ba · 1,974 sqft · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2942025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4042 Old Post Rd

2 ba · 1,561 sqft · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$821,000Feb 2026 $15,1092025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

4043 Old Post Rd

2 ba · 1,978 sqft · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$490,000Jan 2017 $15,4302025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

4048 Old Post Rd

3 bd · 2.5 ba · 1,695 sqft · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$455,000Aug 2015 $17,0062025 Amount on Record Apr 1997 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4049 Old Post Rd

2 ba · 1,680 sqft · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,2292025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4055 Old Post Rd

1 ba · 1,470 sqft · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$148,000Mar 1995 $12,6012025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

4061 Old Post Rd

2 ba · 1,470 sqft · 0.202 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$495,000Sep 2005 $14,6582025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

Wildfire Risk on Old Post Rd

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

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

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