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Lake Ronkonkoma 11779 Lake Ronkonkoma
20 Duane Drive
Photo of 20 Duane Drive
Sold on Aug 5, 2026

24

Map

Photo of 20 Duane Drive
Photo of 20 Duane Drive
$570,000
● House - Off Market

20 Duane Drive

Brookhaven, NY 11779
bedrooms
3 Beds
bathrooms
1 Bath
square feet
1,000 Ft²
$3,205
Est. Monthly

About This Property

Welcome Home!  3 Bedroom Ranch in Lake Ronkonkoma - Eat In Kitchen, Living Room, Full Basement & Carport!  Gas Heating, Central Air - Hardwood Floors, Updated Windows!

Great Size Property - Close to the Long Island Expressway - Close to the Long Island Railroad, Shopping Centers & More!  Sachem Schools. Hiawatha / Samoset / Sachem North.  True Taxes:  8815.59
Unit Size
1,000 Ft²
Days on Market
60 days
Land Size
0.22 acres
Price per sqft
$550
Property Type
House
Property Taxes
$504
HOA Dues
-
Year Built
1960

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Cap Rate Calculator

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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 #KEY1009987)

Price History

Date / Event Date Event Price
Aug 5, 2026 Sold
Premium
Sold
Jun 24, 2026 In contract -
In contract
Jun 6, 2026 Listed by Long Island Home Prop LLC $549,999
Listed by Long Island Home Prop LLC

Property Highlights

Parking Available
Air Conditioning

Building Info

Overview

    General

  • Year Built: 1960
  • Effective Year Built: 1960
  • Total Rooms: 5
  • Bedroom Count: 3
  • Bathroom Count: 1
  • Full Bathrooms: 1
  • Partial Bathrooms: 1
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 11
  • Exterior Walls Type: 19
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • 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: 9,583
  • Total Building Area: 1,000
  • Building Area: 1,000
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 1,000
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: LAKE RONKONKOMA SHORES
  • Land Acres: 0000000220
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: LAKE RONK SHORES 2947 SEC 3 434

Neighborhood

  • School District Name: Sachem Central School District
  • School Tax School District: SACHEM
  • Census Tract: 158609

Geography

  • Assessors Map Reference: MAP 6302947
  • Account Number: 00006330780
  • District: 0200-7
  • Section: 762.00
  • Parcel: 0200-762.00-03.00-040.000
  • Block: 3
  • Lot: 40.000
  • Municipality: BROOKHAVEN
  • Latitude: 40.8164
  • Longitude: -73.1011

    Address

  • Full Address: 20 Duane Dr
  • Address - House Number: 20
  • Address - Street Name: Duane
  • Address - Suffix Type: Dr
  • State: NY
  • City Name: Ronkonkoma
  • Carrier Code: C001
  • 4-Digit Zip Code: 4307
  • Zip Code: 11779

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 472205

    Appraisal Valuation

  • Standard Deviation: 0.2692
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 61
  • Final Value: 484,065
  • High Value: 614,382
  • Low Value: 353,749

    Market Valuation

  • Market Total Value: $4,074
  • Market Land Value: $278
  • Market Improvement Value: $3,796

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $2,200
  • Assessed Land Value: $150
  • Assessed Improvements Value: $2,050

    Exemptions

  • Veteran Exemption: Yes
  • Senior Citizen Exemption : Yes
  • Homeowner Exemption: Yes
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 Lake Ronkonkoma

Stats & Trends

Median Asking:

$650,000

Sale Price/ft²

$393

Below Asking

0.01%

Average Days on Market

82

Average Home Size

1769 ft²

Average Home Age

43.7 years

Currently For Sale

34 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 26 Bokel Avenue, Ronkonkoma, NY, 11779

$4,000 /mo

  • 3 Beds
  • 2 Baths
  • 1,767 ft²
26 Bokel Avenue, Ronkonkoma, NY, 11779 Listing by Jennifer Calamia CBR
Unit for rent at 84 Pleasure Avenue, Lake Ronkonkoma, NY, 11779

$2,200 /mo

  • 1 Bed
  • 1 Bath
  • 600 ft²
84 Pleasure Avenue, Lake Ronkonkoma, NY, 11779 Listing by Debra Raimo
Unit for rent at 2129 Julia Goldbach Avenue, Ronkonkoma, NY, 11779

$2,800 /mo

  • 2 Beds
  • 1 Bath
  • 800 ft²
2129 Julia Goldbach Avenue, Ronkonkoma, NY, 11779 Listing by Lina Lopes

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 20 Duane Drive built and last sold?
The property at 20 Duane Drive was built in 1960 and last sold on Jan 1, 1970 for $0.
How much is this home worth?
The estimated value of the home located at 20 Duane Drive is $551,069.
What are some comparable homes to 20 Duane Drive?
There are currently no comparable homes to 20 Duane Drive.
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