by RH Advisors
For Sale
For Rent
Blog
Property Records
Schools
SEARCH
Property Records
For Sale
For Rent
MORE
Blog
Schools
See Home Value
Setauket-East Setauket 11733 Setauket-East Setauket
3 Triangle Drive
Photo of 3 Triangle Drive
Sold on Jul 6, 2026

27

Map

Photo of 3 Triangle Drive
Photo of 3 Triangle Drive
$800,000
● House - Off Market

3 Triangle Drive

Brookhaven, NY 11733
bedrooms
4 Beds
bathrooms
2 Baths
square feet
1,600 Ft²
$4,588
Est. Monthly

About This Property

Welcome to 3 Triangle, a charming Cape-style home in the heart of Setauket. Lovingly updated, it sits in a private, secluded neighborhood yet is just minutes from everything-1 mile to West Meadow Beach, 1.5 miles to the LIRR, 2 miles to Stony Brook Village, and 4 miles to Stony Brook Hospital. The flexible floor plan includes a bedroom and a full bath on the first floor. Highlights include brand-new windows, an updated kitchen with newer appliances, hardwood floors on the main level, updated baths, and a new furnace. The fully fenced backyard is perfect for entertaining, with a patio and a play area featuring a top-of-the-line swing set. The semi-finished basement offers heat and an outside entrance. Don't wait-this home won't last!
Unit Size
1,600 Ft²
Days on Market
80 days
Land Size
0.25 acres
Price per sqft
$437
Property Type
House
Property Taxes
$1,156
HOA Dues
-
Year Built
1960

Payment Calculator

Home Price
Down Payment
%
Loan Term
Interest %

Your Estimated Monthly Payment

Principal + Interest:
Property Tax:
HOA:
Home Insurance:
Mortgage Insurance:

Cap Rate Calculator

Purchase Price
Monthly Property Taxes
Monthly Rental Income
Maintenance & HOA
Income Per Year
Expenses Per Year
Operating Profit Per Year
Cap Rate 100% Occupancy
N/A (extreme outlier)

What does this mean?

Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.

How much can I actually make?

Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.

How is cap rate calculated?

Cap Rate = Net Operating Income (NOI) / Property Asset Value.

When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.

Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.

Last updated: 3 months ago (OneKey MLS #KEY983896)

Price History

Date / Event Date Event Price
Jul 6, 2026 Sold
Premium
Sold
Apr 22, 2026 In contract -
In contract
Apr 15, 2026 Listed by Howard Hanna Coach $699,000
Listed by Howard Hanna Coach
Jul 31, 2017 Sold
Premium
Sold
Jun 6, 2017 Sold
Premium
Sold
Show More

Property Highlights

Garage
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 1960
  • Effective Year Built: 1960
  • Total Rooms: 6
  • Bedroom Count: 3
  • Bathroom Count: 2
  • Full Bathrooms: 2
  • Partial Bathrooms: 2
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 4
  • Exterior Walls Type: 17
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 175
  • Floor Cover: 0
  • Basement Type: 9
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 10,890
  • Total Building Area: 1,596
  • Building Area: 1,596
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 0
  • Heating: 13
  • Heated Square Feet: 1,596
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: DAWN ESTATES
  • Land Acres: 0000000250
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: DAWN ESTATES 1658 SEC 3 8

Neighborhood

  • School District Name: Three Village Central School District
  • School Tax School District: THREE VILLAGE
  • Census Tract: 158016

Geography

  • Assessors Map Reference: MAP 0401658
  • Account Number: 00000434550
  • District: 0200-1
  • Section: 108.00
  • Parcel: 0200-108.00-08.00-032.000
  • Block: 8
  • Lot: 32.000
  • Municipality: BROOKHAVEN
  • Latitude: 40.9383
  • Longitude: -73.1274

    Address

  • Full Address: 3 Triangle Dr
  • Address - House Number: 3
  • Address - Street Name: Triangle
  • Address - Suffix Type: Dr
  • State: NY
  • City Name: Setauket
  • Carrier Code: C007
  • 4-Digit Zip Code: 1431
  • Zip Code: 11733

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 472201

    Appraisal Valuation

  • Standard Deviation: 0.2724
  • Valuation Date: Mar 20, 2024
  • Confidence Score: 61
  • Final Value: 782,561
  • High Value: 995,796
  • Low Value: 569,326

    Market Valuation

  • Market Total Value: $5,463
  • Market Land Value: $370
  • Market Improvement Value: $5,093

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $2,950
  • Assessed Land Value: $200
  • Assessed Improvements Value: $2,750

    Sales

  • Current Sale Contract Date: Jun 30, 2017
  • Current Sale Recording Date: Jul 31, 2017
  • Current Sale Price:
    Premium
  • Current Sale Document Type: 12
  • Previous Sale Recording Date: Jul 31, 2017
  • Previous Sale Contract Date: Apr 29, 2017
  • Previous Sale Amount: $425,000
  • Previous Sale Document Type: 12
Data used for valuation calculations is provided by RealtyHop, and other third party sources
Request mortgage information redaction

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Setauket-East Setauket

Stats & Trends

Median Asking:

$775,000

Sale Price/ft²

$375

Below Asking

0.01%

Average Days on Market

79

Average Home Size

2322 ft²

Average Home Age

50.8 years

Currently For Sale

51 Listings
Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 225 Christian Avenue, Stony Brook, NY, 11790

$4,300 /mo

  • 2 Beds
  • 3 Baths
  • 1,496 ft²
225 Christian Avenue, Stony Brook, NY, 11790 Listing by Richard L. Wiederman
Unit for rent at 7 Harborview, Stony Brook, NY, 11790

$2,500 /mo

  • 2 Beds
  • 1 Bath
  • 1,000 ft²
7 Harborview, Stony Brook, NY, 11790 Listing by Linda Hickey
Unit for rent at 4 Cornwallis Road, East Setauket, NY, 11733

$5,000 /mo

  • 5 Beds
  • 3 Baths
  • 2,600 ft²
4 Cornwallis Road, East Setauket, NY, 11733 Listing by Blondie Lee Ramos CBR

Rentals Near You

Click here to view more rentals in the neighborhood.
OneKey

Last Updated: 3 months ago
Data Source: OneKey MLS

Frequently Asked Questions

When was property at 3 Triangle Drive built and last sold?
The property at 3 Triangle Drive was built in 1960 and last sold on Jun 30, 2017 for $625,000.
How much is this home worth?
The estimated value of the home located at 3 Triangle Drive is $680,304.
What are some comparable homes to 3 Triangle Drive?
There are currently no comparable homes to 3 Triangle Drive.
Recent Neighborhood News
Lake House Prices Near NYC in 2026: What Waterfront Actually Costs (Labor Day Buyer's Guide)
9 New York City Seafood and Raw Bars
Why Some NYC Tenement Apartments Had Bathtubs in the Kitchen
The Current Status of iBuying in 2026: What To Know
Popular Searches
Setauket-East Setauket Homes for Sale
Setauket-East Setauket Houses for Sale
Setauket-East Setauket Condos for Sale
Setauket-East Setauket Co-Ops for Sale
Setauket-East Setauket Multifamily for Sale
Setauket-East Setauket Land for Sale
Setauket-East Setauket Commercial for Sale
Setauket-East Setauket Homes with Basements
Nearby Cities
Coram Homes for Sale
Centereach Homes for Sale
Holtsville Homes for Sale
Selden Homes for Sale
Stony Brook Homes for Sale
Ronkonkoma Homes for Sale
Lake Ronkonkoma Homes for Sale
St. James Homes for Sale
Nearby Property Records
Suffolk County, NY Property Records
Fairfield County, CT Property Records
Nassau County, NY Property Records
New Haven County, CT Property Records
Westchester County, NY Property Records
Rockland County, NY Property Records
Middlesex County, CT Property Records
New York, NY Property Records
Top Real Estate Agents
Top Agents in Setauket-East Setauket
Top Agents in Coram
Top Agents in 11779
Top Agents in Centereach
Top Agents in 11776
Top Agents in 11720
Top Agents in 11784
Top Agents in 11733