Back 9 Keystone Court
Off Market

9 Keystone Court

Centereach NY 11720

4
4
5
2500 sq. ft.
23087 sq. ft.
Single-Family
Last sold for $850,000
Michael FerraraMichael Ferrara, last sold this property on 26 June 2026 after 92 days on market.

Overview

PRIDE OF OWNERSHIP And yes, you’ll notice it the second you pull up. Don’t worry, the curb appeal won’t bite…unless you insult the mailbox. Welcome to this BEAUTIFULLY MASSIVE Colonial at the end of a Cul-de-Sac. Translation: less traffic, more peace, and neighbors who actually wave instead of stealing your Amazon packages. 4 Bedrooms / 3.5 Baths which is enough space for a home office, gym, guest room, or that weird “I’m gonna start a band” you’ve been planning since 2019. Step into a SUN-DRENCHED foyer with porcelain and hardwood floors that scream, “Look at me, I’m fancy!” The oversized den comes with a wood-burning fireplace, perfect for cozy nights, Hallmark moments or dramatic staring contests. Formal Dining Room? Check. Formal Living Room? Check. Hosting Holidays? Congratulations….it’s now your life sentence! The GORGEOUS Kitchen (updated 2020) is basically a chef’s Instagram dream: Quartz countertops, stainless steel appliances, a backsplash that whispers, “Yeah, you cook like a pro,” and sliders to the backyard so you can escape before anyone asks you to wash the dishes. Oh, and a Butler’s Pantry because sometimes you want to feel fancy while hoarding snacks. Beautiful Sliding Barn Door opens to a Mudroom/Laundry combo with enough space to pretend you’re organized, you know, until the kids show up. Upstairs: Master en suite with Full Bath, Tub, Separate Shower, and Walk-In Closet that’s basically a boutique where nothing ever fits quite right. Three more Large Bedrooms and a Fully updated Bath. Room for everyone or just enough space to hide from everyone. Need more space? Done! Full Finished Basement with Separate Entrance. Perfect for Mom/Dad, Teenagers, a Rec Room, or a top-secret “DO NOT ENTER” lair. Upgrades that make this house smarter than most people you know: BRAND NEW ROOF 2023, because we love shiny things! 2-car garage (or 3 if your cars are tiny), Attic storage, 3-zone Natural Gas Heat, 2-zone CAC, IGS, 80-gallon Gas Hot Water Heater because teenagers take 2 hour showers, 2 cesspools (located in front, pumped 2023) Backyard? Trex deck + Fully Fenced = low maintenance, high enjoyment. Perfect for BBQs, Cornhole, or just staring at nothing while sipping something strong. Location? Close to LIRR, Shopping, Pt. Jeff & Patchogue Nightlife, and all the things you actually use…not your neighbor’s life drama. Bottom line: This isn’t just a House… it’s the one where you walk in and immediately start rearranging imaginary furniture like a pro. Don’t wait! Homes like this fly faster than a kid who sees the ice cream truck.

Features

4 bedrooms
4 bathrooms
5 carspaces
2 garage spaces
2500 sq. ft. floor area
23087 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Centereach over the last 12 months, the estimated median property value of 9 Keystone Court is $650k.

Median value
$650k
Estimated value range
$420k - $1.23m
Median days on market
28
Estimated value trend
0%
decrease over the last 12 months
Average days on market is based on recent, comparable sales in Centereach. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 9 Keystone Court

2026
Sold
$850,000
26 Jun 2026 by Michael Ferrara, of HomeSmart Dynamic Realty
2023
Sold
$715,000
14 Feb 2023 by Michael Ferrara, of HomeSmart Premier Living Rlty

Happy sellers in Centereach

<50%
Less than 50% of sellers in Centereach reported that their sale price either exceeded or met their price expectations.

Centereach stands out as a desirable suburb for sellers, consistently delivering great customer service and strong market results for homeowners.

This is based on voluntary sentiment collected from 3 reviews in Centereach over the last 12 months.

Local market activity for 4 bedroom single-family properties in Centereach

In the last 12 months, 80 four-bedroom single-family properties similar to 9 Keystone Court, have been sold.

This represents a 21% increase in four-bedroom single-family properties sales when compared to the previous 12 months.

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