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MLS ID KEY1053188Last updated Oct 26, 2026

Single Family

21 Dewey Road

Active · Smithtown · Suffolk County, NY 11725

Bedrooms
3 Beds
Bathrooms
1 Bath
Year built
1961
Est. monthly taxes
$1,001.1

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About this home

Welcome to 21 Dewey Road, a beautifully renovated 3-bedroom, 1-bath home in the Commack School District, thoughtfully updated from top to bottom and completely move-in ready! A charming front porch welcomes you into a bright and inviting living room featuring beautiful hardwood floors and a fresh, modern feel. The well-designed layout flows into the updated kitchen and dining area, complete with stainless steel appliances, dishwasher, microwave, and gas range. Convenient access from the kitchen to the backyard creates an easy transition for outdoor dining, entertaining, and everyday living. The main level offers three comfortable bedrooms, hardwood floors, and a beautifully renovated full bathroom. Central air provides added comfort throughout the warmer months. The basement offers additional versatile space and features a built-in bar area, creating the perfect setting for entertaining, recreation, a home gym, office, or additional storage. Outside, enjoy a large backyard with plenty of room to entertain, play, garden, or simply relax. A 1-car garage and private driveway provide convenient off-street parking and additional storage. Renovated from top to bottom with modern finishes and today's conveniences, this home combines style, comfort, and functionality in a desirable Commack location. Convenient to shopping, restaurants, parks, recreation, and major roadways. Move right in and enjoy everything this beautifully updated home has to offer!

Listing snapshot

Days on site
36 days
Listed on MLS
Sep 24, 2026
Full baths
1
Half baths
0
Annual property tax (MLS)
$12,013.22
Tax year
2026
Area source (MLS)
Measured
Listing brokerage
BERKSHIRE HATHAWAY
MLS ID
KEY1053188
Last updated
Oct 26, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1961
Garage
Yes
Garage spaces
1
Total parking
3
Parking
Attached, Driveway, Garage, Off Street
Water source
Public
Sewer
Cesspool
Utilities
Electricity Connected, Natural Gas Connected, Water Connected

Interior features

Basement
Full
Heating
Natural Gas
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath
Appliances
Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer
Fireplace
No

Exterior features

Architectural style
Ranch
Construction materials
Frame
Private pool
No

Schools (MLS)

Elementary school
Wood Park School
Elementary school district
Commack
Middle school
Commack Middle School
Middle school district
Commack
High school
Commack High School
High school district
Commack

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

Recent activity

  1. Listing updated from MLS
  2. Price changed to $745,000
  3. MLS status changed
  4. First seen on this site

Location

Smithtown · Suffolk County, NY 11725Show interactive map
21 Dewey Road

Smithtown · Suffolk County, NY 11725

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.