Off market sep 2024 for $872K

$1,094,546

Est. refi paymentEst. refi $5,710/mo

•

—

sq ft

20 Dahill Rd, Old Bethpage, NY 11804

About this home

This Expanded Split Level home featured on an oversized property has much to offer! The yard is magnificent with plenty of privacy. This home is verry spacious, with plenty of room. Home is in the desirable Seton Hills Section. The main level has all cathedral ceiling's. Den with a brick fireplace. Upstares features 2-3 bedrooms, the primary bedroom was opened up into the 2nd bedroom. Hardwood floors on main level. gas cooking and heating, Additional information: Interior Features:Guest Quarters,Lr/Dr

Single-familyProperty Type

1958Year Built

0.37 acresLot Size

Listing by Frank Gatto • Signature Premier Properties

Bought with Peter O Connor • Signature Premier Properties

Bought with Frank Gatto • Signature Premier Properties

Redfin checked: a minute ago

•Source:OneKey® MLS as Distributed by MLS Grid #L3542505

Redfin Estimate

$1,094,546

$223K since sold in September 2024$9,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.3% lower than the average sale price ($1.10M) of 6 comparable homes.

SOLD OCT 22, 2026
$1,160,000
A
4 beds2.5 baths1,825 sq ft
7 Beatrice Ln, Old Bethpage, NY 11804
Listing by Compass Greater NY LLC
SOLD AUG 28, 2026
$1,052,000
B
3 beds2 baths1,714 sq ft
29 Serpentine Ln, Old Bethpage, NY 11804
Listing by Compass Greater NY LLC
SOLD SEP 10, 2026
$1,255,000
C
4 beds2.5 baths2,346 sq ft
24 Tad Ln, Old Bethpage, NY 11804
Listing by BERKSHIRE HATHAWAY
SOLD SEP 29, 2026
$829,000
D
4 beds2 baths1,581 sq ft
581 Plainview Rd, Plainview, NY 11803
Listing by Century 21 Realty Specialists
SOLD NOV 3, 2026
$955,000
E
4 beds2 baths1,728 sq ft
12 Palo Alto Dr, Plainview, NY 11803
Listing by Douglas Elliman Real Estate
SOLD SEP 15, 2026
$1,336,000
F
3 beds2.5 baths1,973 sq ft
25 Gerald Ln, Old Bethpage, NY 11804
Listing by JG Homes

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Earn from this home

Sell

$358,634

Est. take-home

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Refinance

Est. cash available

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Rent

$3,038/mo

Redfin rental estimate

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Market trends in 11804, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.6%

+1.0% MoM

Median sale price

$1.3M

$391 MoM

Avg. days on market

36d

3 days MoM

Recently sold homes

2 MoM

New listings for sale

3D WALKTHROUGH
$1,199,999
4 beds3 baths2,805 sq ft
27 John Dr, Old Bethpage, NY 11804
Listing by Corcoran SRG Residential
$999,900
4 beds2 baths2,363 sq ft
4 Adrienne Dr, Old Bethpage, NY 11804
Listing by Signature Premier Properties
OPEN TODAY, 12PM TO 2PM
$1,399,888
4 beds2.5 baths2,720 sq ft
25 Lesley Ln, Old Bethpage, NY 11804
Listing by Douglas Elliman Real Estate
See all

Provided by Redfin

Sale history for 20 Dahill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$18,580 (+6.9%)

$367 + $314

$681

2024

$17,379 (+14.7%)

$367 + $314

$681

2023

$15,154 (−0.8%)

$367 + $314

$681

2022

$15,272 (+18.0%)

$367 + $314

$681

2021

$12,943 (+3.1%)

$429 + $367

$796

2020

$12,552 (+5.9%)

$429 + $367

$796

2019

$11,847 (−1.0%)

$413 + $353

$766

2018

$11,966 (−0.6%)

$705 + $41

$746

2017

$12,037 (−2.1%)

$705 + $90

$795

2016

$12,300 (−0.7%)

$705 + $140

$845

2015

$12,389 (+1.2%)

$705 + $285

$990

2014

$12,239 (−2.4%)

$705 + $285

$990

2013

$12,543 (−5.1%)

$881 + $357

$1,238

2012

$13,220 (+0.2%)

$956 + $387

$1,343

2011

$13,190 (+1.7%)

$881 + $357

$1,238

2010

$12,970 (−4.1%)

$956 + $348

$1,304

2009

$13,525

$909 + $628

$1,537

Tax history for 20 Dahill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$18,580 (+6.9%)

$367 + $314

$681

2024

$17,379 (+14.7%)

$367 + $314

$681

2023

$15,154 (−0.8%)

$367 + $314

$681

2022

$15,272 (+18.0%)

$367 + $314

$681

2021

$12,943 (+3.1%)

$429 + $367

$796

2020

$12,552 (+5.9%)

$429 + $367

$796

2019

$11,847 (−1.0%)

$413 + $353

$766

2018

$11,966 (−0.6%)

$705 + $41

$746

2017

$12,037 (−2.1%)

$705 + $90

$795

2016

$12,300 (−0.7%)

$705 + $140

$845

2015

$12,389 (+1.2%)

$705 + $285

$990

2014

$12,239 (−2.4%)

$705 + $285

$990

2013

$12,543 (−5.1%)

$881 + $357

$1,238

2012

$13,220 (+0.2%)

$956 + $387

$1,343

2011

$13,190 (+1.7%)

$881 + $357

$1,238

2010

$12,970 (−4.1%)

$956 + $348

$1,304

2009

$13,525

$909 + $628

$1,537

*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

Stories

Lot width

—

Lot depth

—

Lot size

0.37 Acres

Year renovated

—

Sq. Ft.

2,011

Year built

1958

Style

Single Family Residential

County

Nassau County

APN

47049 00280

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Nov 2, 2026.

Property details

Parking

Parking Information
Parking Features: Private, Attached, Driveway

Interior

Fireplace Information
Fireplaces Total: 1

Heating & Cooling
Heating: Natural Gas, Forced Air

Interior Features
Interior Features: Ceiling Fan(s),Cathedral Ceiling(s),Eat-in Kitchen,Entrance Foyer,Formal Dining,First Floor Bedroom
Window Features: Skylight(s)
Appliances: Dishwasher, Dryer
Flooring: Carpet, Hardwood
Levels: Multi/Split

Room Information
Room Description: Laundry room, Full Unfinished||LR, DR, KIT||Den w/ FPL, Bedroom, FBTH, Living Room(Additional Den)||2 - 3 BRS, FBTH. Main BR was open up (2BR into 1BR)
Basement YN: No
Attic: See Remarks
Rooms Total: 9
Basement: Full, Unfinished
Additional Rooms: Library/Den

Bathroom Information
Bathrooms Full: 2

Exterior

Exterior Features
Construction Materials: Frame, Brick, Vinyl Siding
Security Features: Security System

Lot Information
Additional Parcels YN: No
Lot Features: Near School, Near Shops, Corner Lot

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 47
Tax Annual Amount: $16,431.82

Financial Information
Buyer Financing: Conventional

Location

School Information
Middle Or Junior School: H B Mattlin Middle School
High School: Plainview-Old Bethpage/Jfk Hs
High School District: Plainview

Location Information
Hamlet: Old Bethpage
Directions: Round Swamp Rd to Farragut Rd to Dahill Rd
County Or Parish: Nassau County

Public facts

Beds: —
Baths: 2.0
Sq. Ft.: 2,011
Stories: 1.0
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: —
County: Nassau County
APN: 47049 00280

Home facts updated by county records on Nov 2, 2026

Around this home

Schools

K - 12
Preschool & daycare

Old Bethpage School

Public K-4 • Assigned • 0.2mi

7/10

H B Mattlin Middle School

Public 5-8 • Assigned • 0.9mi

8/10

Plainview Old Bethpage JFK High School

Public 9-12 • Assigned • 0.9mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk 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

5/10 Heat Factor

7 days above 95° expected this year, 16 days in 30 years

6/10 Wind Factor

61% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Old Bethpage, NY • 11804

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

$1.04M – $1.26M

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New listings for sale in 11804

3D WALKTHROUGH

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4 beds3 baths2,805 sq ft

27 John Dr, Old Bethpage, NY 11804

Walk-in closets • Private retreat • Local shopping

Listing by Corcoran SRG Residential

$999,900

4 beds2 baths2,363 sq ft

4 Adrienne Dr, Old Bethpage, NY 11804

Updated kitchen • Charming fireplace • 0.28 acre lot

Listing by Signature Premier Properties

OPEN TODAY, 12PM TO 2PM

$1,399,888

4 beds2.5 baths2,720 sq ft

25 Lesley Ln, Old Bethpage, NY 11804

In ground pool • Outdoor kitchen • Wood burning fpl

Listing by Douglas Elliman Real Estate

Home values near 20 Dahill Rd

Data from public records.

Address	Redfin Estimate
26 Dahill Road, Old Bethpage, NY - Beds \| 1.5 Baths \| 1551 Sq. Ft.	$861,174
17 Dahill Road, Old Bethpage, NY - Beds \| 3 Baths \| 1918 Sq. Ft.	$1,055,095
5 Melissa Lane, Old Bethpage, NY - Beds \| 3.5 Baths \| 2012 Sq. Ft.	$1,193,602
9 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1919 Sq. Ft.	$1,049,066
11 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 2026 Sq. Ft.	$1,178,547
6 Adrienne Drive, Old Bethpage, NY 4 Beds \| 4 Baths \| 3427 Sq. Ft.	$1,884,743
2 Adrienne Drive, Old Bethpage, NY - Beds \| 3 Baths \| 1546 Sq. Ft.	$918,125

Address	Redfin Estimate
14 Dahill Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1633 Sq. Ft.	$919,874
16 Dahill Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1641 Sq. Ft.	$947,522
4 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1633 Sq. Ft.	$989,269
9 Farragut Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1764 Sq. Ft.	$973,704
11 Farragut Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1952 Sq. Ft.	$1,051,699
3 Melissa Lane, Old Bethpage, NY - Beds \| 1.5 Baths \| 1551 Sq. Ft.	$813,737
4 Adrienne Drive, Old Bethpage, NY 4 Beds \| 2 Baths \| 2363 Sq. Ft.	—

Address	Redfin Estimate
19 Dahill Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1964 Sq. Ft.	$1,026,324
15 Dahill Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1744 Sq. Ft.	$975,803
5 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1920 Sq. Ft.	$1,100,030
1120 Round Swamp Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1633 Sq. Ft.	$892,486
15 Farragut Road, Old Bethpage, NY 3 Beds \| 2.5 Baths \| 2150 Sq. Ft.	$1,223,062
6 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1744 Sq. Ft.	$910,590
7 Mahan Road, Old Bethpage, NY - Beds \| 2.5 Baths \| 1733 Sq. Ft.	$1,056,398

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2024. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11804, NY

Sale history for 20 Dahill Rd

Tax history for 20 Dahill Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11804

Home values near 20 Dahill Rd

More real estate resources