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MLS ID KEY1051155Last updated Sep 19, 2026

Single Family

9 Mulberry Drive

Active · Smithtown · Suffolk County, NY 11787

Bedrooms
4 Beds
Bathrooms
2 Baths
Year built
1962
Est. monthly taxes
$1,258.83
Property gallery0 / 43
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About this home

Welcome to this beautifully maintained 4-bedroom, 2-bath hi-ranch in Royal Oaks, Smithtown, offering comfortable living, flexible space, and an impressive backyard retreat. A charming front sunroom welcomes you inside, while the second sunroom features a natural gas fireplace and French doors leading to the upper deck overlooking the backyard. The home offers two full kitchens with appliances included, along with a lower level featuring a one-bedroom apartment. The home is a legal mother-daughter, with the required permits included with the property, offering added flexibility for its next owner. The recently renovated upstairs bathroom features ambient flooring, a heated towel rack, and a jacuzzi bathtub, adding comfort and convenience to the space. Step outside to enjoy a heated, gas-heated saltwater in-ground pool, hot tub, cedar sauna, gazebo, mature landscaping, and in-ground sprinklers. The property also features a full surveillance system for added peace of mind. Additional updates include newly insulated exterior walls and attic, a whole-house water filtration system, and a brand-new cesspool. Thoughtfully maintained and offering a versatile layout with extensive indoor and outdoor amenities, this Smithtown home is ready for its next owner. Come see everything it has to offer and schedule your private tour today!

Listing snapshot

Days on site
41 days
Listed on MLS
Sep 17, 2026
Full baths
2
Half baths
0
Annual property tax (MLS)
$15,106
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Keller Williams Realty Elite
MLS ID
KEY1051155
Last updated
Sep 19, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1962
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage, Garage Door Opener, Private
Water source
Public
Sewer
Septic Tank
Utilities
Electricity Available, Electricity Connected, Phone Available, Phone Connected, Water Available, Water Connected

Interior features

Basement
Finished, Full, Walk-Out Access
Heating
Natural Gas
Cooling
Wall/Window Unit(s)
Interior
First Floor Bedroom, First Floor Full Bath, Ceiling Fan(s)
Appliances
Dishwasher, Microwave, Oven, Refrigerator
Flooring
Laminate, Wood
Fireplace
Yes

Exterior features

Architectural style
Hi Ranch, Includes Legal Accessory Apartment
Construction materials
Vinyl Siding
Private pool
Yes

Schools (MLS)

Elementary school
Smithtown Elementary School
Elementary school district
Smithtown
Middle school
Accompsett 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 11787Show interactive map
9 Mulberry Drive

Smithtown · Suffolk County, NY 11787

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.