1109 Round Swamp Rd, Old Bethpage, NY 11804

Off market jan 2026 for $1.2M

$1,653,714

Est. refi paymentEst. refi $6,564/mo

•

3,447

sq ft

1109 Round Swamp Rd, Old Bethpage, NY 11804

About this home

Truly One of a Kind Custom Built Expanded Sprawling Ranch with Endless Possibilities that is Flooded with Natural Light. Presently used as Large Home with a Separate 4 Room Office with Private Entrances. The Additional Oversized 3-4 BR Home with LR with Gas Fireplace - FDR and Huge EIK has Multiple Extensions. This Home Cannot Easily Be Described or Categorized with its Endless Possibilities and Floorplans and Lots of Room for Everyone! There is Plenty of Room to Consider Main Level Mother/Daughter with proper permits required. New EIK with Ample Quartz Countertops and Stainless Appliances plus Dining Room Sized Eat In Area that Overlooks Private, Professionally Landscaped Half Acre Lot. Gleaming Hardwood Floors Throughout with All Oversized Rooms and 4 New Full Baths. The Basement is Full and Finished with New Gas Burner and Indirect Hot Water Heater and Separate Laundry and Storage Areas. Upgraded Electric and Generator Hookup. Maintenance Free Exterior with 2.5 Car Heated Detached Garage, Two Sheds and Circular Driveway with Room to Park 10 Cars. The Half Acre Lot is Professionally Landscaped and Private with this over 3400 square foot home nestled perfectly to provide room for patio, yard, deck and a cozy front porch to welcome you Home!

Single-familyProperty Type

1960Year Built

0.51 acresLot Size

$480Est. Price/Sq.Ft.

2 garage spacesParking

Listing by Carole Ann Catapano • Century 21 Catapano Homes

Listing by Teri Catapano Black • Century 21 Catapano Homes

Contact: 516-938-0021

Bought with Carole Ann Catapano • Century 21 Catapano Homes

Redfin checked: in an hour

•Source:OneKey® MLS as Distributed by MLS Grid #925196

Redfin Estimate

$1,653,714

$404K since sold in January 2026$23K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.3% higher than the average sale price ($1.57M) of 6 comparable homes.

SOLD SEP 10, 2026
$1,255,000
A
4 beds2.5 baths2,346 sq ft
24 Tad Ln, Old Bethpage, NY 11804
Listing by BERKSHIRE HATHAWAY
SOLD OCT 16, 2026
$1,700,000
B
4 beds3.5 baths2,550 sq ft
6 Colonial Gate, Plainview, NY 11803
Listing by Corcoran SRG Residential
SOLD AUG 31, 2026
$1,560,000
C
4 beds3.5 baths2,947 sq ft
8 Piper Pl, Old Bethpage, NY 11804
Listing by Pinnacle R E Consulting Inc
SOLD MAY 1, 2026
$1,290,000
D
4 beds3 baths3,100 sq ft
7 Suzanne Ln, Bethpage, NY 11714
Listing by Signature Premier Properties
SOLD AUG 4, 2026
$1,670,000
E
4 beds4 baths3,427 sq ft
6 Adrienne Dr, Old Bethpage, NY 11804
Listing by Douglas Elliman Real Estate
SOLD MAR 16, 2026
$1,950,000
F
5 beds4.5 baths3,800 sq ft
14 Woodland Dr, Old Bethpage, NY 11804
Listing by Daniel Gale Sothebys Intl Rlty

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Earn from this home

Sell

$569,706

Est. take-home

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Refinance

Est. cash available

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Rent

$3,677/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

OPEN TODAY, 11AM TO 12:30PM
$1,199,999
4 beds3 baths2,805 sq ft
27 John Dr, Old Bethpage, NY 11804
Listing by Corcoran SRG Residential
OPEN TODAY, 12PM TO 2PM
$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
FOR SALE BY OWNER
$949,999
4 beds2 baths1,664 sq ft
53 Crescent Dr, Old Bethpage, NY 11804
FOR SALE BY OWNER
$1,750,000
5 beds3 baths2,934 sq ft
21 Colonial Rd, Old Bethpage, NY 11804
See all

Provided by Redfin

Sale history for 1109 Round Swamp Rd

Year

Property tax

Land + Additions

Assessment*

2025

$21,514 (+0.9%)

$450 + $375

$825

2024

$21,327 (−7.1%)

$450 + $375

$825

2023

$22,947 (+1.9%)

$450 + $375

$825

2022

$22,528 (+2.1%)

$450 + $375

$825

2021

$22,054 (+3.4%)

$459 + $383

$842

2020

$21,338 (+3.8%)

$459 + $383

$842

2019

$20,552 (−1.2%)

$442 + $369

$811

2018

$20,805 (−0.5%)

$830 + $330

$1,160

2017

$20,917 (−3.7%)

$830 + $407

$1,237

2016

$21,724 (+10.7%)

$830 + $512

$1,342

2015

$19,628 (+12.7%)

$830 + $512

$1,342

2014

$17,410 (+8.0%)

$830 + $512

$1,342

2013

$16,114 (−5.4%)

$950 + $586

$1,536

2012

$17,029 (−4.6%)

$950 + $586

$1,536

2011

$17,846 (−5.4%)

$950 + $586

$1,536

2010

$18,855 (+5.4%)

$1,056 + $636

$1,692

2009

$17,887

$1,056 + $1,094

$2,150

Tax history for 1109 Round Swamp Rd

Year

Property tax

Land + Additions

Assessment*

2025

$21,514 (+0.9%)

$450 + $375

$825

2024

$21,327 (−7.1%)

$450 + $375

$825

2023

$22,947 (+1.9%)

$450 + $375

$825

2022

$22,528 (+2.1%)

$450 + $375

$825

2021

$22,054 (+3.4%)

$459 + $383

$842

2020

$21,338 (+3.8%)

$459 + $383

$842

2019

$20,552 (−1.2%)

$442 + $369

$811

2018

$20,805 (−0.5%)

$830 + $330

$1,160

2017

$20,917 (−3.7%)

$830 + $407

$1,237

2016

$21,724 (+10.7%)

$830 + $512

$1,342

2015

$19,628 (+12.7%)

$830 + $512

$1,342

2014

$17,410 (+8.0%)

$830 + $512

$1,342

2013

$16,114 (−5.4%)

$950 + $586

$1,536

2012

$17,029 (−4.6%)

$950 + $586

$1,536

2011

$17,846 (−5.4%)

$950 + $586

$1,536

2010

$18,855 (+5.4%)

$1,056 + $636

$1,692

2009

$17,887

$1,056 + $1,094

$2,150

*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

0.51 Acres

Year renovated

—

Sq. Ft.

3,386

Year built

1954

Style

Single Family Residential

County

Nassau County

APN

47003 00130

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 18, 2026.

Property details

Parking

Parking Information
Carport YN: No
Parking Total: 10
Parking Features: Driveway, Garage, Garage Door Opener, Heated Garage, Off Street

Garage Information
Garage Spaces: 2.5
Has Garage

Interior

Fireplace Information
Has Fireplace
Fireplace Features: Gas, Living Room

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

Interior Features
Interior Features: First Floor Bedroom,First Floor Full Bath,Built-in Features,Crown Molding,Double Vanity,Eat-in Kitchen,ENERGY STAR Qualified Door(s),Formal Dining,In-Law Floorplan,Natural Woodwork,Open Floorplan,Pantry,Quartz/Quartzite Counters,Storage
Window Features: Blinds
Laundry Features: In Basement
Accessibility Features: Accessible Bedroom, Accessible Common Area
Appliances: Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Gas Cooktop, Gas Oven, Gas Range, Microwave, Refrigerator, Washer, Indirect Water Heater
Flooring: Carpet, Hardwood
Levels: Three Or More
Patio And Porch Features: Deck, Patio, Porch

Room Information
Basement YN: Yes
Attic: Full
Rooms Total: 10
Basement: Finished, Full
Additional Rooms: Dining Area,Home Office,Library/Den

Bathroom Information
Bathrooms Full: 4

Exterior

Exterior Features
Construction Materials: Vinyl Siding
Fencing: Back Yard
Other Structures: Garage(s), Shed(s)
Security Features: Building Security
Waterfront YN: No

Lot Information
Lot Features: Back Yard, Front Yard, Landscaped, Near Golf Course, Near School, See Remarks, Sprinklers In Front, Sprinklers In Rear

Property Information
Other Equipment: Irrigation Equipment
Living Area Source: Plans
Living Area (Sq. Ft.): 3447.00
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Year: 2025
Tax Source: Municipality
Tax Section: 47
Tax Annual Amount: $21,493.74

Financial Information
Buyer Financing: Conventional

Utilities

Utility Information
Sewer: Public Sewer
Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Trash Collection Public, Water Connected

Location

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

Location Information
Directions: LIE South on Round Swamp Road
County Or Parish: Nassau County

Public facts

Beds: —
Baths: 2.5
Sq. Ft.: 3,386
Stories: 1.0
Lot Size: 0.51 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: —
County: Nassau County
APN: 47003 00130

Home facts updated by county records on Aug 17, 2026

Around this home

Schools

Old Bethpage School

Public K-4 • Assigned • 0.2mi

7/10

H B Mattlin Middle School

Public 5-8 • Assigned • 1.0mi

8/10

Plainview Old Bethpage JFK High School

Public 9-12 • Assigned • 1.1mi

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

$1.57M – $1.90M

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FOR SALE BY OWNER

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Home values near 1109 Round Swamp Rd

Data from public records.

Address	Redfin Estimate
1115 Round Swamp Rd, Old Bethpage, NY - Beds \| 2.5 Baths \| 2574 Sq. Ft.	$1,449,207
1096 Round Swamp Rd, Old Bethpage, NY - Beds \| 2.5 Baths \| 1871 Sq. Ft.	$892,432

Address	Redfin Estimate
1120 Round Swamp Rd, Old Bethpage, NY - Beds \| 2.5 Baths \| 1633 Sq. Ft.	$898,885
1090 Round Swamp Rd, Old Bethpage, NY 3 Beds \| 1.5 Baths \| - Sq. Ft.	$883,054

Address	Redfin Estimate
1114 Round Swamp Rd, Old Bethpage, NY - Beds \| 2.5 Baths \| 1633 Sq. Ft.	$882,879
1102 Round Swamp Rd, Old Bethpage, NY - Beds \| 2.5 Baths \| 1750 Sq. Ft.	$862,804

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2025. This data may not match . Learn more.

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