For sale

$619,999

Est. $4,457/mo —

•

1,945

sq ft

145 Sioux St, Ronkonkoma, NY 11779

About this home

Welcome to this beautifully maintained 4-bedroom, 2-full-bath Colonial located in the highly desirable Connetquot School District. This inviting home features a spacious and functional layout with gleaming hardwood floors, central air conditioning, and stainless steel appliances in the kitchen. The large dining room provides the perfect setting for holiday gatherings and everyday entertaining, while the warm and inviting den, complete with a cozy fireplace, offers the ideal space to relax and unwind. Sliding glass doors lead to a rear deck, seamlessly extending your living space outdoors for entertaining or enjoying the backyard. Additional highlights include a one-car attached garage and a partial unfinished basement with abundant storage and endless potential for future expansion. Combining classic charm with modern comforts, this Colonial is ready to welcome its next owners. Don't miss this exceptional opportunity!

Single-familyProperty Type

1972Year Built

10,019 sq ftLot Size

$319Price/Sq.Ft.

1 car garageParking

Listing by Eric Gordon • Coldwell Banker American Homes

Listing by Bryan Karp • Coldwell Banker American Homes

Contact: 631-863-9800

Listing updated: Aug 9, 2026 at 01:09pm

Redfin checked: 3 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #1021609

Payment calculator

$4,457 per month

Principal and interest$3,217

Property taxes

$1,090

HOA dues

Home insurance

$150

Utilities

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Next available tour time: Thursday

Open houses

No upcoming open houses.

Nearby open houses (10)

OPEN THU, 5:30PM TO 7PM
$425,000
5 beds2 baths1,568 sq ft
1050 Sipp Ave, Medford, NY 11763
Listing by Long Island Home Prop LLC
OPEN FRI, 12PM TO 1:30PM
$999,000
4 beds2.5 baths2,633 sq ft
7 Bayberry Ln, Northport, NY 11768
Listing by Signature Premier Properties
OPEN FRI, 4PM TO 6PM
$749,999
4 beds3 baths1,806 sq ft
1740 Adams Ave, West Islip, NY 11795
Listing by Douglas Elliman Real Estate
OPEN FRI, 4PM TO 5PM
$689,000
4 beds2 baths2,429 sq ft
7 Cedar Ave, Coram, NY 11727
Listing by Shine Realty Group
OPEN FRI, 5:30PM TO 7PM
$269,900
1 bed1 bath782 sq ft
66 Pinebrook Pl #66, Bay Shore, NY 11706
Listing by Charles Rutenberg Realty Inc
OPEN SAT, 10:30AM TO 12PM
$525,000
3 beds2 baths1,500 sq ft
617 Granny Rd, Middle Island, NY 11953
Listing by Vantage Realty Partners
OPEN SAT, 11AM TO 12:30PM
$745,000
3 beds2.5 baths2,200 sq ft
23 E Greentree Dr, Medford, NY 11763
Listing by BH&G R E Realty Connect
OPEN SAT, 12PM TO 2PM
$569,999
2 beds2 baths1,873 sq ft
1 Jennifer Ln, Middle Island, NY 11953
Listing by BH&G R E Realty Connect
OPEN SAT, 12PM TO 2PM
$739,990
4 beds2.5 baths2,798 sq ft
7 Carston St W, Selden, NY 11784
Listing by RYLIA Homes Inc
OPEN SAT, 1PM TO 3PM
$700,000
3 beds2 baths1,254 sq ft
3 Carlson Ct, Kings Park, NY 11754
Listing by Coldwell Banker American Homes

Around this home

Schools

K - 12
Preschool & daycare

Some nearby schools may not be within this home's attendance zone. Please check the Connetquot Central School District website to verify.

Cherokee Street Elementary School

Public K-5 • 0.3mi

3/10

Ronkonkoma Middle School

Public 6-8 • 1.8mi

4/10

Connetquot High School

Public 9-12 • 2.9mi

9/10

Provided by GreatSchools

About

Islip

Islip, located between Great South Bay and the Connetquot River State Park Preserve, is a waterfront and suburban Brentwood neighborhood with salt-air marinas and leafy parkland. The neighborhood’s character concentrates around Main Street near Islip Avenue, where low-slung storefronts, cafés, and local services set a steady, walkable rhythm. Architectural cues lean toward mid-century ranches and Cape-style homes, with pockets of newer infill along wider arterials. Islip’s shoreline geography shapes weekends around docks, bay views, and boat traffic. Community pillars include the Bayard Cutting Arboretum, the historic Islip Art Museum, and the Sayville Ferry Service for Fire Island days. Rail service at Islip station adds a commuter cadence without overpowering the residential feel.

Provided by Walk Score and Local Logic

Offer insights

145 Sioux St · $619,999

Strong offer

$655K and above

75% chance or better to win

Why $655K+ is a strong offer

DAYS ON MARKET

The average home goes pending in 24 days.

SALE-TO-LIST

Most homes are selling 3% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
Crown molding
Eat-in kitchen
Entrance foyer
Formal dining
Storage
Washer/dryer hookup
Deck (patio/porch feature)

Bedrooms
Total rooms: 9
Full attic

Bathrooms
2 full bathrooms

Kitchen
Dishwasher
Electric oven
Microwave
Refrigerator

Laundry & utility
Washer
Dryer
Washer/dryer hookup

Heating & cooling
Baseboard heating
Oil heating
Central air conditioning
1 fireplace

Sale and tax history for 145 Sioux St

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2025

$12,257 (+4.8%)

$10,800 + $29,900

$40,700

2024

$11,698 (+8.8%)

$10,800 + $29,900

$40,700

2023

$10,752 (+0.6%)

$10,800 + $29,900

$40,700

2022

$10,693

$10,800 + $29,900

$40,700

2021

$10,693 (+3.3%)

$10,800 + $29,900

$40,700

2020

$10,347 (+4.4%)

$10,800 + $29,900

$40,700

2019

$9,907 (+3.4%)

$10,800 + $29,900

$40,700

2018

$9,577 (+1.3%)

$10,800 + $29,900

$40,700

2017

$9,453 (+0.1%)

$10,800 + $29,900

$40,700

2016

$9,440 (+0.8%)

$10,800 + $29,900

$40,700

2015

$9,364 (+4.0%)

$10,800 + $29,900

$40,700

2014

$9,007 (+4.1%)

$10,800 + $29,900

$40,700

2013

$8,654 (+3.2%)

$10,800 + $29,900

$40,700

2012

$8,385 (+4.0%)

$10,800 + $29,900

$40,700

2011

$8,059 (+1.9%)

$10,800 + $29,900

$40,700

2010

$7,907 (+3.5%)

$10,800 + $29,900

$40,700

2009

$7,637

$10,800 + $29,900

$40,700

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

10,019 Sq. Ft.

Year renovated

—

Finished Sq. Ft.

1,945

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,945

Year built

1972

Style

Single Family Residential

County

Suffolk County

APN

4728890500009000100078000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 10, 2026.

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, 17 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Ronkonkoma, NY • 11779

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

87/ 100

Very good sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.6 hrs

6.1 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 145 Sioux St

We cannot show automated home-value estimates for this home.

Nearby homes have recently sold between $550,000 and $849,000.

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $550K to $849K.

SOLD JUL 13, 2026
$605,000 Last sold price
4 beds2 baths1,624 sq ft
240 N 3rd St, Ronkonkoma, NY 11779
Listing by Long Island Home Prop LLC
$54/sq ft
larger lot
8 years older
SOLD JUL 1, 2026
$849,000 Last sold price
5 beds3 baths2,020 sq ft
116 Southern Blvd, Hauppauge, NY 11788
Listing by RE/MAX Best
$101/sq ft
larger lot
1 year older
SOLD JAN 27, 2026
$592,000 Last sold price
4 beds1.5 baths1,738 sq ft
255 N 7th St, Ronkonkoma, NY 11779
Listing by Compass Greater NY LLC
$22/sq ft
smaller lot
2 years older
SOLD AUG 7, 2026
$770,000 Last sold price
4 beds3 baths2,207 sq ft
451 Gibbs Pond Rd, Nesconset, NY 11767
Listing by Market Match Real Estate Corp
$30/sq ft
larger lot
7 years older
BOUGHT WITH REDFIN AUG 19, 2025
$660,000 Last sold price
5 beds2 baths1,802 sq ft
130 Hawkeye St, Ronkonkoma, NY 11779
Listing by Signature Premier Properties
$47/sq ft
2 years older
SOLD JUN 16, 2026
$550,000 Last sold price
2 beds2.5 baths1,482 sq ft
17 Jeremy Cir, Nesconset, NY 11767
Listing by Developing Dreams Realty USA
$52/sq ft
smaller lot
18 years newer

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Listing by RE/MAX Integrity Leaders

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273 Deer Rd, Ronkonkoma, NY 11779

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Listing by Long Island Home Prop LLC

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Listing by Netter Real Estate Inc

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Listing by Coldwell Banker American Homes

$699,999

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Listing by Signature Premier Properties

$699,999

3 beds2.5 baths1,506 sq ft

17 Bayberry Rd, Ronkonkoma, NY 11779

Listing by Signature Premier Properties

3D WALKTHROUGH

$650,000

5 beds3 baths2,433 sq ft

115 Arlington Rd, Ronkonkoma, NY 11779

Listing by Howard Hanna Coach

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Listing by Exit Realty Liberty

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Details provided by OneKey® MLS as Distributed by MLS Grid and may not match the public record. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Payment calculator

See this home in person

Nearby open houses (10)

Around this home

Schools

Offer insights

Property details

Sale and tax history for 145 Sioux St

Public record

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 145 Sioux St

Early Access listings

Nearby similar homes

New listings for sale in 11779

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