$1,199,600
- 4 Beds
- 3 Baths
- 3,000 sqft
100 Root Avenue, Islip, NY 11751
Est. Refi. Payment $8,257/mo*
Refinance Your HomeCurrently Off Market - Sold Dec 29, 2025 for $1,150,000 (4% below list price)
Home Value
Trulia Estimate
$1.2MSince last month
Increased$3K (+0.2%)Since last year
Increased$12K (+1%)Since last sale
Increased$50K (+4.3%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +321% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $1.2M |
| August 2026 | $1.2M |
| July 2026 | $1.19M |
| June 2026 | $1.18M |
| May 2026 | $1.19M |
| April 2026 | $1.18M |
| March 2026 | $1.17M |
| February 2026 | $1.17M |
| January 2026 | $1.16M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.15 | Single-Family Home | $765,000 | 12/01/25 | 4 | 2.5 | 1,912 | |
0.08 | Single-Family Home | $630,000 | 03/09/26 | 5 | 3 | 2,243 | |
0.13 | Single-Family Home | $610,000 | 10/28/25 | 4 | 2 | 1,456 | |
0.23 | Single-Family Home | $755,000 | 06/05/26 | 4 | 2 | 1,800 | |
0.13 | Single-Family Home | $665,000 | 07/15/26 | 3 | 2 | 1,410 | |
0.60 | Single-Family Home | $801,900 | 04/08/26 | 4 | 2.5 | 2,863 | |
0.35 | Single-Family Home | $649,000 | 10/09/25 | 4 | 2 | 2,049 | |
0.59 | Single-Family Home | $760,000 | 08/27/26 | 4 | 2.5 | 2,241 | |
0.37 | Single-Family Home | $575,000 | 07/17/26 | 3 | 2 | 1,751 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $671,100 | 4 | 1.5 | 1,150 | Off Market | |
0.06 | $540,400 | 3 | 2 | 1,089 | Off Market | |
0.07 | $720,000 | 5 | 3 | 2,632 | For Sale | |
0.09 | $594,700 | 3 | 1 | - | Off Market | |
0.08 | $630,000 | 5 | 3 | 2,243 | Recently Sold | |
0.11 | $690,200 | 3 | 2 | 2,430 | Off Market | |
0.13 | $639,700 | 4 | 2 | 1,456 | Off Market | |
0.13 | $665,000 | 3 | 2 | 1,410 | Recently Sold | |
0.13 | $758,500 | 4 | 3 | 3,007 | Off Market | |
0.13 | $799,990 | 4 | 2.5 | 2,024 | For Sale | |
0.14 | $703,500 | 4 | 2 | - | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2024
3,000 sqft
$383/sqft
Garage
About this House
What's unique:Cozy gas fireplaceHome officeHalf bathWalk-in closetStainless steel appliancesLuxurious en-suite bath
Welcome to a truly exceptional offering, where no detail has been overlooked, and every inch exudes luxury, function, and style. This custom new construction home, paired with a beautifully finished accessory cottage, delivers an unparalleled living experience. Anchored by a grand two-story entry, the home immediately impresses with breathtaking floor-to-ceiling box molding, a sweeping oak staircase with wrought iron railings, and a black statement chandelier that sets the tone for the entire home. The formal living room features a gas fireplace framed in granite, soaring floor-to-ceiling windows, and gleaming 4” select-grade white oak floors that flow seamlessly through the first and second floors—including all bedrooms and hallways. The heart of the home is an incredible open-concept kitchen showcasing a huge two-tone center island, quartz countertops, white upper cabinets and rich brown lowers, all accented by a tile backsplash, pot filler, and Cafe Series stainless steel appliances including a built-in drawer microwave and oven. A full wall of sliding glass doors opens from the center to reveal a grand Trex staircase that cascades into a resort-style backyard, fully landscaped with a programmable sprinkler system. The first-floor laundry closet is both practical and stylish with a butcher block folding station, white cabinetry, and subway tile backsplash. A sleek first-floor powder room with matte black fixtures is conveniently located near a separate side entrance. Upstairs, the enormous primary suite offers a luxurious walk-in closet with custom built-ins and jamb switch lighting, and a spa-like bath with a double vanity and a walk-in glass stand-up shower. Additional second-floor bedrooms are all generously sized and feature upgraded moldings and finishes throughout. The hallway bath includes a Kohler soaking tub, porcelain tile, designer vanity, and quiet exhaust fan with push timer. The finished accessory cottage is a true bonus—perfect as a home office or studio—with new roofing, siding, windows, flooring, a half bath, and its own hot water heater. Structurally, the home features two blacktop driveways with cobblestone border and skirt, cedar impression siding on all exterior walls, a fully sheet rocked garage with 12’ ceilings and a floor to ceiling window, and a basement with outside entrance and dual egress windows. Every modern convenience is here—smart entry locks, built-in closet systems, TV and Cat 6 wiring in every bedroom, and high-efficiency Bosch HVAC and water systems across two zones—all tied into sewer and supported by new gas and water lines. This is a home where grand design meets thoughtful function, delivering the ultimate in new construction living.
100 Root Avenue, Islip, NY 11751 is a 4 bedroom, 4 bathroom, 3,000 sqft single-family home built in 2024. It last sold for $1,150,000 on Dec 29, 2025 (4% below the $1,199,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,199,600, with a rent estimate of $5,994/month.
Last check for updates: about 5 hours ago
Listed by Bryan J. Karp CBR, (631) 759-5277
Coldwell Banker American Homes, (631) 863-9800
Bought with: Juan M. Portillo, (516) 303-3379, Mint Homes LI LLC, (516) 277-6745
Source: OneKey® MLS as distributed by MLS GRID, MLS#899848

Home Details for 100 Root Avenue
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Interior Details Number of Rooms: 11Types of Rooms: Bedroom 1, Dining Room |
Beds & Baths Number of Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 2Number of Bathrooms (half): 2 |
Dimensions and Layout Living Area: 3000 Square Feet |
Appliances & Utilities Utilities: Cable Available, Electricity Connected, Natural Gas Connected, Phone Available, Sewer Connected, Trash Collection Public, Water ConnectedAppliances: Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Microwave, Refrigerator, WasherDishwasherDryerLaundry: Washer/Dryer Hookup,Laundry RoomMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: BaseboardHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Baseboard |
Fireplace & Spa Fireplace: GasHas a FireplaceNo Spa |
Gas & Electric Has Electric on Property |
Windows, Doors, Floors & Walls Window: Double Pane Windows, ENERGY STAR Qualified Windows, Floor to Ceiling WindowsFlooring: Hardwood |
Levels, Entrance, & Accessibility Levels: Three Or MoreFloors: Hardwood |
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Exterior Home Features Patio / Porch: PorchNo Private Pool |
Parking & Garage Number of Garage Spaces: 1Number of Covered Spaces: 1No CarportHas a GarageParking Spaces: 1Parking: Garage |
Water & Sewer Sewer: Public Sewer |
Farm & Range Not Allowed to Raise Horses |
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Cumulative Days on Market: 45 |
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Year Built Year Built: 2024 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family Residence, ResidentialArchitecture: Colonial |
Building Construction Materials: CedarNot Attached Property |
Property Information Condition: Actual |
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Price List Price: $1,199,000Price Per Sqft: $383/sqft |
Status Change & Dates Off Market Date: Thu Sep 25 2025 |
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MLS Status: Sold |
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Direction & Address City: Islip |
School Information Elementary School: Commack Road Elementary SchoolJr High / Middle School: Islip Middle SchoolHigh School: Islip High SchoolHigh School District: Islip |
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Building Area Building Area: 3000 Square Feet |
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Not Senior Community |
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No HOA |
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Lot Area: 10019 sqft |
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Special Conditions: None |
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Listing Agreement Type: Exclusive Right To Sell |
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Mls Number: 899848Attic: FullAttribution Contact: 631-863-9800Common Interest: Planned DevelopmentShowing Requirements: Appointment Only |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Dec 29, 2025 Source: OneKey® MLS as distributed by MLS GRID #899848 | Sold | $1,150,000 |
Sep 25, 2025 Source: OneKey® MLS as distributed by MLS GRID #899848 | Pending | $1,199,000 |
Jun 17, 2024 Source: N/A | ListingRemoved | |
Apr 24, 2024 Source: N/A | Listed For Sale | $1,150,000 |
Apr 18, 2023 Source: N/A | Sold | $265,000 |
Feb 2, 2023 Source: OneKey® MLS as distributed by MLS GRID #L3444773 | Sold | $265,000 |
Dec 21, 2022 Source: OneKey® MLS as distributed by MLS GRID #3444773 | Pending | $274,900 |
Nov 21, 2022 Source: OneKey® MLS as distributed by MLS GRID #3444773 | Listed For Sale | $274,900 |
Apr 20, 2022 Source: N/A | Sold | $240,000 |
Jan 4, 2022 Source: OneKey® MLS as distributed by MLS GRID #L3325712 | Sold | $240,000 |
Nov 2, 2021 Source: OneKey® MLS as distributed by MLS GRID #3325712 | Pending | $295,000 |
Jul 26, 2021 Source: OneKey® MLS as distributed by MLS GRID #3325712 | PriceChange | $295,000 Price decreased by 13% |
Jun 29, 2021 Source: OneKey® MLS as distributed by MLS GRID #3325712 | Listed For Sale | $339,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | Unavailable | $53,500 |
Home facts updated by county records
Market trends in Islip
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
43
7MoM
Around this home
What Locals Say about Islip
At least 118 Trulia users voted on each feature.
90 % Say parking is easy
90 % Say it's dog friendly
88 % Say car is needed
86 % Say there's holiday spirit
85 % Say yards are well-kept
75 % Say people would walk alone at night
73 % Say kids play outside
65 % Say neighbors are friendly
64 % Say it's quiet
63 % Say it's walkable to restaurants
62 % Say streets are well-lit
62 % Say they plan to stay for at least 5 years
59 % Say there are sidewalks
59 % Say it's walkable to grocery stores
59 % Say there's wildlife
49 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections

Based on information submitted to the MLS GRID as of 2026-09-22 19:28:22 PDT All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Click here for more information
Frequently asked questions about 100 Root Avenue
- What is 100 Root Avenue estimated to be worth?Trulia's estimated value for 100 Root Avenue in Islip, NY is $1,199,600.
- What is the price history for 100 Root Avenue?100 Root Avenue in Islip, NY last sold for $1,150,000 in December 2025.
- Is Islip a buyer's or seller's market?Islip is currently a seller's market, based on recent for-sale activity.
- What do residents say about Islip?Residents describe Islip, NY as easy to park in, dog-friendly, and well-kept. Most residents say you need a car. See recently sold homes in Islip, NY.
- Does 100 Root Avenue have air conditioning?Yes, 100 Root Avenue in Islip, NY has air conditioning.
- Does 100 Root Avenue have laundry facilities?Yes, 100 Root Avenue in Islip, NY has in-unit laundry.