Off market aug 2015 for $455K

$867,405

Est. refi paymentEst. refi $3,558/mo

•

—

sq ft

4048 Old Post Rd, Seaford, NY 11783

About this home

Live In Seaford, Pay Town Of Oyster Bay Taxes!!, This Mint Colonial Features: 3 Brs, 2.5 Baths, Lr, Familyrm, Full Fin. Bsmt. Eik W/Sliders To Yard, Radiant Heat In Baths, Mstrste W/ Walk-In Closet, Wd Flrs Thruout, Andersen Windows/Doors Thruout, Central Stereo, Wireless Alarm, 200 Amp Elec. W/ Sub Panel, Beautiful Yard W/ Ag Pool As A Gift, Gas Boiler & Dormer 10 Yrs, Additional information: Appearance:Mint

Single-familyProperty Type

1954Year Built

8,050 sq ftLot Size

Listing by Traci Chiarello Romagnesi • Realty Connect USA LLC

Bought with David Haggerty • Daniel Gale Sothebys Intl Rlty

Redfin checked: a few seconds ago

•Source:OneKey® MLS as Distributed by MLS Grid #L2763903

Redfin Estimate

$867,405

$412K since sold in August 2015$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.2% higher than the average sale price ($817K) of 6 comparable homes.

SOLD JUL 31, 2026
$830,000
A
3 beds2.5 baths1,678 sq ft
55 Amherst Dr, Massapequa, NY 11758
Listing by EXIT Realty Premier
SOLD AUG 20, 2026
$725,500
B
3 beds2 baths1,580 sq ft
3960 Wellwood Rd, Seaford, NY 11783
Listing by Century 21 AA Realty
SOLD SEP 11, 2026
$776,000
C
3 beds2.5 baths1,939 sq ft
5 Hastings Rd, Massapequa, NY 11758
Listing by Signature Premier Properties
SOLD FEB 2, 2026
$821,000
D
3 beds2 baths1,561 sq ft
4042 Old Post Rd, Seaford, NY 11783
Listing by Anthony Napolitano Homes
SOLD OCT 1, 2026
$950,000
E
3 beds3 baths1,664 sq ft
3727 Regent Ln, Wantagh, NY 11793
Listing by Signature Premier Properties
SOLD AUG 12, 2026
$800,000
F
3 beds2 baths1,751 sq ft
16 Amherst Dr, Massapequa, NY 11758
Listing by Century 21 AA Realty

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Earn from this home

Sell

$541,531

Est. take-home

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Refinance

Est. cash available

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Rent

$2,982/mo

Redfin rental estimate

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Market trends in 11783, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

104.2%

+1.1% MoM

Median sale price

$815K

$5K MoM

Avg. days on market

20d

0 days MoM

Recently sold homes

5 MoM

New listings for sale

$979,000
4 beds2.5 baths2,483 sq ft
3592 Tonopah St, Seaford, NY 11783
Listing by Realty Values NY
$699,000
3 beds1 bath1,032 sq ft
2449 S Seamans Neck Rd, Seaford, NY 11783
Listing by Parkside Realty of Queens Inc
$749,000
3 beds1 bath1,166 sq ft
2342 Maple St, Seaford, NY 11783
Listing by Coldwell Banker American Homes
$799,000
2 beds2 baths1,408 sq ft
57 Spring Dr, Seaford, NY 11783
Listing by Century 21 AA Realty
$735,000
4 beds2 baths1,274 sq ft
3884 Lincoln St, Seaford, NY 11783
Listing by Signature Premier Properties
$799,000
3 beds2 baths1,040 sq ft
3963 Sandra Ln, Seaford, NY 11783
Listing by Compass Greater NY LLC
See all

Provided by Redfin

Sale history for 4048 Old Post Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,652 (−2.1%)

$241 + $288

$529

2024

$17,006 (+7.6%)

$241 + $288

$529

2023

$15,801 (−2.9%)

$241 + $288

$529

2022

$16,277 (+11.6%)

$241 + $288

$529

2021

$14,585 (−18.1%)

$285 + $341

$626

2020

$17,810 (+6.5%)

$285 + $341

$626

2019

$16,723 (+6.5%)

$273 + $327

$600

2018

$15,702 (+6.8%)

$444 + $331

$775

2017

$14,708 (+4.3%)

$444 + $331

$775

2016

$14,103 (+28.7%)

$444 + $331

$775

2015

$10,961 (+0.2%)

$444 + $371

$815

2014

$10,936 (−3.2%)

$444 + $371

$815

2013

$11,293 (+2.9%)

$580 + $484

$1,064

2012

$10,975 (−9.3%)

$580 + $487

$1,067

2011

$12,095 (+7.1%)

$539 + $407

$946

2010

$11,297 (+2.4%)

$580 + $536

$1,116

2009

$11,027

$580 + $672

$1,252

Tax history for 4048 Old Post Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,652 (−2.1%)

$241 + $288

$529

2024

$17,006 (+7.6%)

$241 + $288

$529

2023

$15,801 (−2.9%)

$241 + $288

$529

2022

$16,277 (+11.6%)

$241 + $288

$529

2021

$14,585 (−18.1%)

$285 + $341

$626

2020

$17,810 (+6.5%)

$285 + $341

$626

2019

$16,723 (+6.5%)

$273 + $327

$600

2018

$15,702 (+6.8%)

$444 + $331

$775

2017

$14,708 (+4.3%)

$444 + $331

$775

2016

$14,103 (+28.7%)

$444 + $331

$775

2015

$10,961 (+0.2%)

$444 + $371

$815

2014

$10,936 (−3.2%)

$444 + $371

$815

2013

$11,293 (+2.9%)

$580 + $484

$1,064

2012

$10,975 (−9.3%)

$580 + $487

$1,067

2011

$12,095 (+7.1%)

$539 + $407

$946

2010

$11,297 (+2.4%)

$580 + $536

$1,116

2009

$11,027

$580 + $672

$1,252

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

—

Baths

2.5

Stories

Lot width

—

Lot depth

—

Lot size

8,050 Sq. Ft.

Year renovated

—

Sq. Ft.

1,695

Year built

1954

Style

Single Family Residential

County

Nassau County

APN

52453 01020

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 17, 2026.

Property details

Parking

Parking Information
Parking Features: Private

Interior

Virtual Tour Information

Heating & Cooling
Cooling: Central Air
Heating: Hot Water, Natural Gas

Interior Features
Interior Features: Eat-in Kitchen
Appliances: Dishwasher, Dryer, Refrigerator, Washer
Flooring: Hardwood
Patio And Porch Features: Patio, Porch

Room Information
Basement YN: No
Attic: See Remarks
Rooms Total: 6
Basement: Finished, Full
Additional Rooms: Library/Den

Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Vinyl Siding

Lot Information
Lot Features: Corner Lot

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 52
Tax Annual Amount: $12,606.56

Financial Information
Buyer Financing: Conventional

Utilities

Utility Information
Utilities: Sewer Available

Location

School Information
School District Number: 18
High School District: Plainedge

Location Information
Hamlet: Seaford
Directions: Hicksville Road To Old Post Road
County Or Parish: Nassau County

Public facts

Beds: —
Baths: 2.5
Sq. Ft.: 1,695
Stories: 2.0
Lot Size: 8,050 square feet
Style: Single Family Residential
Year Built: 1954
Year Renovated: —
County: Nassau County
APN: 52453 01020

Home facts updated by county records on Aug 17, 2026

Around this home

Schools

Eastplain School

Public PreK-5 • Assigned • 0.6mi

5/10

Plainedge Middle School

Public 6-8 • Assigned • 1.1mi

6/10

Plainedge Senior High School

Public 9-12 • Assigned • 1.0mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 70-78% chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 94° expected this year, 16 days in 30 years

6/10 Wind Factor

60% chance of strong winds in next 30 years

4/10 Air Factor

3 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Seaford, NY • 11783

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.5 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$825,000 – $998,000

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New listings for sale in 11783

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3592 Tonopah St, Seaford, NY 11783

Listing by Realty Values NY

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Listing by Parkside Realty of Queens Inc

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Listing by Century 21 AA Realty

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3884 Lincoln St, Seaford, NY 11783

Listing by Signature Premier Properties

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Home values near 4048 Old Post Rd

Data from public records.

Address	Redfin Estimate
4055 Old Post Road, Seaford, NY - Beds \| 1 Baths \| 1470 Sq. Ft.	$729,937
4024 Old Post Road, Seaford, NY - Beds \| 2 Baths \| 1176 Sq. Ft.	$762,139

Address	Redfin Estimate
4018 Old Post Road, Seaford, NY 4 Beds \| 2 Baths \| - Sq. Ft.	$777,078
4036 Old Post Road, Seaford, NY - Beds \| 2 Baths \| 1974 Sq. Ft.	$783,511

Address	Redfin Estimate
4061 Old Post Road, Seaford, NY - Beds \| 2 Baths \| 1470 Sq. Ft.	$790,218
4030 Old Post Road, Seaford, NY - Beds \| 2 Baths \| 1680 Sq. Ft.	$780,589

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2015. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11783, NY

Sale history for 4048 Old Post Rd

Tax history for 4048 Old Post Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11783

Home values near 4048 Old Post Rd

More real estate resources