NOT LISTED FOR SALE

39 Sycamore Cir Stony Brook, NY 11790

Estimated Value: $723,000 - $766,000

4 Beds
2.5 Baths
2,348 Sq Ft
$319/Sq Ft Est. Value

Sale Details

Date Sold: September 3, 2025

Last sale price $735,000 $313 Per Sq Ft

Est. 2% increase in value since last sale

Current estimated payment $4,803 / mo

30 Days on Market

Highlights

  • Colonial Architecture
  • 1 Fireplace
  • Patio
  • Nassakeag Elementary School Rated A+
  • Eat-In Galley Kitchen
  • En-Suite Primary Bedroom

About This Home

As of September 2025

Nestled In The Desirable "S" Section Of Stony Brook This 4 Bedroom 2.5 Bath Colonial Sits On .35 Acres Ready For Your Very Own! Located Near Hospitals, University Along With Major Highways, Shopping And That Stony Brook Village & Port Jefferson Village Have To Offer

Last Agent to Sell the Property

Michael Ardolino

Realty Connect USA L I Inc Brokerage Phone: 631-881-5160 License #10311203028 Listed on: 06/11/2025

Realty Connect USA L I Inc

Co-Listed By

Jaclyn Zambito

Realty Connect USA L I Inc Brokerage Phone: 631-881-5160 License #40ZA0989649

Last Buyer's Agent

Christopher Robson

Educators Realty Inc License #10311204898

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $13,502

Year Built

  • Built in 1964

Lot Details

  • 0.35

Parking

  • 2 Car Garage
  • Driveway

Home Design

  • Colonial Architecture
  • Frame Construction

Interior Spaces

  • 2,348 Sq Ft Home
  • 1 Fireplace

Kitchen

  • Eat-In Galley Kitchen
  • Electric Range
  • Dishwasher

Bedrooms and Bathrooms

  • 4 Bedrooms
  • En-Suite Primary Bedroom

Laundry

  • Laundry in unit
  • Dryer
  • Washer

Schools

  • Nassakeag Elementary School
  • Robert Cushman Murphy Jr High Middle School
  • Ward Melville Senior High School

Utilities

  • Central Air
  • Baseboard Heating
  • Hot Water Heating System
  • Oil Water Heater
  • Cesspool
  • Cable TV Available

Additional Features

  • Patio
  • 15,246 Sq Ft Lot

Listing and Financial Details

  • Legal Lot and Block 6 / 0004
  • Assessor Parcel Number 0200-330-00-04-00-006-000

Home Details

Home Type

Single Family

Est. Annual Taxes

$13,502

Year Built

Built in 1964

Lot Details

0.35 Acres

Parking

2

Listing Details

  • Property Type: Residential
  • Architectural Style: Colonial
  • Property SubType: Single Family Residence
  • Year Built: 1964
  • Attribution Contact: 631-881-5160
  • Co List Office Mls Id: KEYRLLE01
  • Co List Office Phone: 631-941-4300
  • Carport Y N: No
  • CurrentPrice: 735000.00
  • MlsMajorChangeType: Sold
  • CurrentPrice_By_LivingArea: 313.03237
  • ListPrice_By_LivingArea: 304.51448
  • ListPrice_By_OriginalListPrice: 1.00000
  • ListPrice_By_LotSizeAcres: 2042857.1429
  • LivingAreaSearchSqFt: 2348.00
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Appliances: Dishwasher, Dryer, Electric Range, Refrigerator, Washer, Oil Water Heater
  • Interior Amenities: Eat-in Kitchen, Primary Bathroom, Walk Through Kitchen, Washer/Dryer Hookup
  • Fireplaces: 1
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Fireplace: Yes
  • Living Area: 2348
  • Basement YN: No

Exterior Features

  • Construction Materials: Frame
  • Pool Private: No
  • Patio and Porch Features: Patio
  • Waterfront: No

Garage/Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Description: Driveway, Private

Utilities

  • Cooling: Central Air
  • Heating: Baseboard, Hot Water
  • Laundry Features: Electric Dryer Hookup, Inside, Washer Hookup
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Natural Gas Available, Phone Connected, Trash Collection Public, Water Connected
  • Water Source: Public

Condo/Co-op/Association

  • Senior Community: No
  • Association: No

Schools

  • Middle School: Robert Cushman Murphy Jr High School

Lot Info

  • Horses: No
  • Lot Size Acres: 0.35
  • Lot Size Sq Ft: 15246
  • Parcel Number: 0200-330-00-04-00-006-000
  • Property Attached: No
  • Additional Parcels: No

Rental Info

  • Lease Considered: No

Tax Info

  • Tax Annual Amount: 13502.24
  • Tax Block: 0004
  • Tax Lot: 6
  • Tax Year: 2025

MLS Schools

  • Elementary School: Nassakeag Elementary School
  • High School: Ward Melville Senior High School
  • Middle School District: Three Village

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 11, 2025
Closed on
Sep 3, 2025
Sold by
Willoughby Earl C Est and Willoughby
Bought by
Mulligan Evan and Mulligan Rosemaria
Seller's Agent
Michael Ardolino
Realty Connect USA L I Inc
Buyer's Agent
Christopher Robson
Educators Realty Inc
List Price
$715,000
Sold Price
$735,000
Premium/Discount to List
$20,000
2.8%
Views
118
Current Estimated Value
$749,315

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$14,315
Avg. Annual Appreciation
2.72%
Original Mortgage
$514,500
Interest Rate
6.63%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Apr 22, 2016
Sold by
Willoughby Scott E and Willoughby Paul H
Bought by
Willoughby Earl and Willoughby Kathleen N
Source: Public Records
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
Mulligan Evan $735,000 --
Willoughby Earl -- None Available
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Previous Owner Mulligan Evan $514,500
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
09/03/2025 09/03/25 Sold $735,000 0.0% $313 / Sq Ft
07/11/2025 07/11/25 Pending -- -- --
07/02/2025 07/02/25 Off Market $735,000 -- --
06/11/2025 06/11/25 For Sale $715,000 -- $305 / Sq Ft
Source: OneKey® MLS

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $9,684 $2,980 $300 $2,680
2024 $9,684 $2,980 $300 $2,680
2023 $9,684 $2,980 $300 $2,680
2022 $9,696 $2,980 $300 $2,680
2021 $9,696 $2,980 $300 $2,680
2020 $8,793 $2,980 $300 $2,680
2019 $8,793 $0 $0 $0
2018 $12,345 $2,980 $300 $2,680
2017 $12,345 $2,980 $300 $2,680
2016 $9,341 $2,980 $300 $2,680
2015 -- $2,980 $300 $2,680
2014 -- $2,980 $300 $2,680
Source: Public Records

Agents Affiliated with this Home

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Map

Source: OneKey® MLS

MLS Number: 876366

OneKey® MLS

APN: 0200-330-00-04-00-006-000

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