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MLS ID KEY1054720Last updated Oct 4, 2026

Single Family

4 Crystal Brook Court

Active · Smithtown · Suffolk County, NY 11767

Bedrooms
4 Beds
Bathrooms
3 Baths
Year built
2000
Est. monthly taxes
$2,117
Property gallery0 / 48
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About this home

Welcome to 4 Crystal Brook Court, a beautifully maintained Colonial tucked away on a quiet cul-de-sac in the desirable South Lake Estates section of Nesconset. Set on nearly half an acre surrounded by beautifully manicured landscaping the home embodies luxury, comfort, privacy and resort style living all in one. The heart of the home is the generously sized kitchen, featuring rich raised-panel wood cabinetry, Thermador appliances, granite countertops, kitchen nook and oversized Bay windows giving the home a ton of natural light. The kitchen flows naturally into the family room with custom veneer stone fireplace, creating a comfortable central gathering space for everyday living. Off the Kitchen you will find a formal dining with custom crown molding throughout the first floor. Upstairs, you'll find four generously sized bedrooms, including a spacious primary suite with a large walk-in closet, providing plenty of room for family, guests, or a home office. A full finished basement features a 7-seat massage chair cinema with surround sound, climate control and a 120" Screen. Also, it outfitted with a pool table and ton of storage space with laundry in a separate room. Outside, the expansive custom designed yard truly sets this home apart. A resort-style backyard designed for any occasion. At the center is a stunning custom heated saltwater pool with an integrated Jacuzzi, dramatic waterfall features, fire and ambient lighting that transform the property into an impressive setting after sunset. The expansive outdoor gazebo/pool house creates the ultimate gathering space, complete with a full bar, sink, cooking area, fireplace, multiple TVs, and a dedicated lounge area—perfect for summer parties, game days, or relaxing evenings at home. An outdoor bathroom in pool house adds another level of convenience, allowing guests to enjoy the pool and entertainment areas without having to enter the house. Surrounded by beautiful landscaping, mature greenery, privacy trees, the entire backyard has been thoughtfully designed to preserve privacy while integrating swimming, lounging, dining and entertaining. The front of the exudes exceptional curb appeal with a covered porch, custom stone facade and oversized Cambridge driveway. Located close to 347 the home is conveniently located close to shopping, dining, major roadways, parks, and both the Smithtown and Ronkonkoma LIRR stations. Welcome home.

Listing snapshot

Days on site
35 days
Listed on MLS
Sep 23, 2026
Full baths
2
Half baths
1
Annual property tax (MLS)
$25,404
Tax year
2026
Area source (MLS)
Plans
Listing brokerage
Serhant East End LLC
MLS ID
KEY1054720
Last updated
Oct 4, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2000
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage, Garage Door Opener, On Street
Water source
Public
Sewer
Cesspool
Utilities
Cable Connected, Electricity Connected, Phone Connected, Propane

Interior features

Basement
Full, Storage Space
Heating
Baseboard
Cooling
Central Air, ENERGY STAR Qualified Equipment
Interior
Built-in Features, Cathedral Ceiling(s), Ceiling Fan(s), Chandelier, Eat-in Kitchen, ENERGY STAR Qualified Door(s), Entertainment Cabinets, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Open Kitchen
Appliances
Cooktop, Dishwasher, Dryer, Electric Range, ENERGY STAR Qualified Appliances, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer
Flooring
Carpet, Ceramic Tile, Hardwood
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Colonial
Construction materials
Foam Insulation, Shake Siding, Stone, Vinyl Siding
Private pool
Yes

Schools (MLS)

Elementary school
Tackan Elementary School
Elementary school district
Smithtown
Middle school
Great Hollow Middle School
Middle school district
Smithtown
High school
Smithtown High School-East
High school district
Smithtown

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Smithtown · Suffolk County, NY 11767Show interactive map
4 Crystal Brook Court

Smithtown · Suffolk County, NY 11767

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.