Very Large Home, 19 years young, Mother / Daughter potential, High Ceilings and Tray Ceilings, Central Air, Open Floor plan, Big garage with 9' doors and high ceilings, Finished Basement w/high ceilings, High efficiency home, Rear Deck, Front porch, superior building materials that exceed building code.
Some nearby schools may not be within this home's attendance zone. Please check the Connetquot Central School District website to verify.
Helen B Duffield Elementary School
Public K-5 • 0.3mi
5/10
Ronkonkoma Middle School
Public 6-8 • 0.3mi
4/10
Connetquot High School
Public 9-12 • 1.2mi
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
471 Southport St · $1,075,000
$1.07M and above
75% chance or better to win
Why $1.07M+ is a strong offer
DAYS ON MARKET
78 days
The average home goes pending in 24 days.
SALE-TO-LIST
103.4%
Most homes are selling 3% above list price.
About offer insights
Property details
Interior
Exterior
Finance
Kitchen
Bathroom
Bedroom
Living
Dining
Interior features
First-floor bedroom
First-floor full bath
Cathedral ceilings
Crown molding
Eat-in kitchen
Granite counters
High ceilings
Open floorplan
Recessed lighting
Walk-through kitchen
Finished full basement
Pull-down attic stairs
12 total rooms
Bedrooms
Includes a first-floor bedroom
Bathrooms
Four full bathrooms
Kitchen
Eat-in kitchen with granite counters
Electric range
Dishwasher
Microwave
Refrigerator
Laundry & utility
Washer
Dryer
Heating & cooling
Baseboard heating
Central air conditioning
Exterior features
No waterfront
Home design
Single family residence
Measured living area
Parking
Attached garage
2-car garage
Construction
Frame construction
Vinyl siding
Fiberglass insulation
Utilities
Cesspool sewer
Water connected
Electricity connected
Cable connected
Public trash collection
Electricity and solar
View estimated energy costs and solar savings for this home
Huge Square Footage Grand Home, High Ceilings, Open Floor Plan, Recessed Lighting, Central Air, Extra Wide Stairway, Extra Wide Hallways, Large Master Bedroom w/walk in closet and Master Bath, 2 Car Garage with 14' Ceilings, Full Finished Basement of 4 Rooms w/outside entrance and inside entrance, remarkable construction materials oversized framing of 2x12 roofing and 2x6 walls, optimal building standards exceeding code requirements, I-Beam Garage no support columns, High output oversized baseboards, Kitchen Island, Eat in Kitchen, Full Dining Room, enormous Living Room with very high ceilings, window dressing can remain as included, crystal chandelier dining room. Underground Sprinklers, ALL OFFERS WILL BE CONSIDERED.
Public Records
Dec 17, 1993
Sold
$140,000
$35/sq ft
Year
Property tax
Land + Additions
Assessment*
2017
$16,350 (+0.3%)
$14,000 + $50,000
$64,000
2016
$16,301 (+1.2%)
$14,000 + $50,000
$64,000
2015
$16,115 (+11.5%)
$14,000 + $50,000
$64,000
2014
$14,457 (+3.9%)
$14,000 + $45,500
$59,500
2013
$13,910 (+3.1%)
$14,000 + $45,500
$59,500
2012
$13,489 (+3.9%)
$14,000 + $45,500
$59,500
2011
$12,987 (+3.0%)
$14,000 + $45,500
$59,500
2010
$12,611 (+2.8%)
$14,000 + $45,500
$59,500
2009
$12,265
$14,000 + $45,500
$59,500
Public record
Beds
—
Baths
—
Stories
—
Lot width
—
Lot depth
—
Lot size
0.63 Acres
Year renovated
—
Finished Sq. Ft.
3,196
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,196
Year built
2005
Style
Single Family Residential
County
Suffolk County
APN
4728890500084000300022001
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 93° expected this year, 17 days in 30 years
6/10 Wind Factor
72% 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)
35
24
37
25
51
35
60
43
68
53
80
63
84
70
80
64
75
59
66
49
55
39
42
28
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
89/ 100
Very good sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.6 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 471 Southport St
We cannot show automated home-value estimates for this home.
Nearby homes have recently sold between $660,000 and $1,398,000.
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $660K to $1.4M.