Welcome to 31 Dehan Street! A lovingly maintained three-bedroom, two-bathroom home with the flexibility for a fourth bedroom, inviting spaces designed for everyday comfort and located in one of the best school districts in town. Inside, hardwood floors flow through warm living areas featuring a wood-burning fireplace, formal dining room, granite countertops, Sub-Zero appliances, central air, and a partially finished basement. Step outside and discover the true showstopper: a beautifully level half-acre surrounded by mature, lush landscaping. Thoughtfully designed for relaxing and entertaining, the backyard offers generous lawn space, an awning, a wide sliding door, and utility connections for a motor home, hot tub, sauna, or Jacuzzi. A two-car attached garage and driveways from both Dehan and Leonard Streets provide exceptional convenience. With Andersen windows, updated mechanicals, and numerous thoughtful improvements, this is a home where comfort, beauty, and possibility come together.
For sale
$899,000
31 Dehan Street, Smithtown, NY 11787
3beds
2,098sqft
Single Family Residence, Residential
Built in 1970
0.5 Acres Lot
$-- Zestimate®
$429/sqft
$-- HOA
What's special
Central airPartially finished basementGenerous lawn spaceThree-bedroom two-bathroom homeTwo-car attached garageWide sliding doorSub-zero appliances
- 1 day
- 1,245
- 92
Zillow last checked:
Listing updated:
Listed by:
Keller Williams Realty Liberty 718-848-4700,
Agatha Lubas 646-250-6512
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 1047231
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Natural Gas
Cooling
- Central Air
Appliances
- Included: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer
Features
- Entrance Foyer, Formal Dining, Granite Counters, Sauna
- Basement: Finished,Partial
- Attic: None
- Has fireplace: Yes
- Fireplace features: Living Room, Wood Burning
Interior area
- Total structure area: 2,893
- Total interior livable area: 2,098 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Driveway, Garage, Private
- Garage spaces: 2
- Has uncovered spaces: Yes
Lot
- Size: 0.5 Acres
Details
- Parcel number: 0800035000200054000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence, Residential
Materials
- Other
- Foundation: Other
Condition
- Year built: 1970
Utilities & green energy
- Sewer: Cesspool
- Water: Public
- Utilities for property: Electricity Available, Natural Gas Available, Water Available
Community & HOA
HOA
- Has HOA: No
Location
- Region: Smithtown
Financial & listing details
- Price per square foot: $429/sqft
- Tax assessed value: $6,385
- Annual tax amount: $17,591
- Date on market: 9/9/2026
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/8/2026 | Listed for sale | $899,000$429/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #1047231 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $6,385 |
| 2024 | -- | $6,385 |
| 2023 | -- | $6,385 |
| 2022 | -- | $6,385 |
| 2021 | -- | $6,385 |
| 2020 | -- | $6,385 |
| 2019 | -- | $6,385 |
| 2018 | -- | $6,385 |
| 2017 | $13,360 | $6,385 |
| 2016 | -- | $6,385 |
| 2015 | -- | $6,385 |
| 2014 | -- | $6,385 |
| 2013 | -- | $6,385 |
| 2012 | -- | $6,385 |
| 2011 | -- | $6,385 +3.2% |
| 2010 | -- | $6,185 |
| 2009 | -- | $6,185 |
| 2008 | -- | $6,185 |
| 2007 | $10,575 +24.2% | $6,185 +2.7% |
| 2005 | $8,515 +7.1% | $6,020 |
| 2004 | $7,947 +8.1% | $6,020 |
| 2003 | $7,349 +7.8% | $6,020 |
| 2002 | $6,817 | $6,020 |
| 2001 | -- | $6,020 |
| 2000 | $6,570 | $6,020 |
Find assessor info on the county website
Monthly payment
Climate risks
Neighborhood: 11787
Nearby schools
Schools provided by the listing agent
- Elementary: Smithtown Elementary School
- Middle: Accompsett Middle School
- High: Smithtown High School-East
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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