Suffolk County  »  11779  »  Duncan Ave  »  71 Duncan Ave

71 Duncan Avenue, Ronkonkoma, NY 11779 - Property report

Also known as: 71 Duncan Ave

Property image for 71 Duncan Avenue, Ronkonkoma, NY 11779
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Property type

One Family Year-Round Residence (210)

Year built

1935

Acreage

0.23

Sale price

$440,000

General information

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Address
Primary address
71 Duncan Avenue
ZIP code
11779
County
Suffolk
Village (SWIS code)
472289
Parcel ID
6237472

Owner

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Sales
Sale date
12/16/2022
Sale price
$440,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$8,688
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,375
Year built
1935
Lot
Acreage
0.23

Area overview

Walk score
58 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
45 /100.  Somewhat Bikeable
School district
472205

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 71 Duncan Avenue, Ronkonkoma, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 71 Duncan Avenue, Ronkonkoma, NY 11779

Sale date Sale price Buyer name Seller name
12/16/2022 $440,000 XXXXX XXXXXX X XXXXXXXX XXXXX
02/24/2017 $270,000 XXXXX XXXXXXXX XXXXXXX XXXX XXXXXXXXX XXX
03/24/2016 $306,999 XXXXXXX XXXX XXXXXXXXX XXX XXXXX XXXXXXXX X; XXXXXXX XXXXXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
03/22/2023 - R
01/06/2023 - D		 Discharge XXXXX XXXXXXXX XXXXXXX XXXXXXXX XXXX
03/03/2023 - R
12/16/2022 - D		 Deed XXXXXXXX XXXXX XXXXX XXXXXX X
04/28/2020 - R
04/22/2020 - D		 Assignment XXXXX XXXXXXXX XXXXXXX XXXXXXXX XXXX
04/24/2017 - R
02/24/2017 - D		 Deed XXXXXXX XXXX XXXXXXXXX XXX XXXXX XXXXXXXX
05/09/2016 - R
03/24/2016 - D		 Deed XXXXX XXXXXXXX X XXXXXXX XXXX XXXXXXXXX XXX
10/04/1995 - R
09/15/1995 - D		 Deed XXXX XXXXX/XXXXXXXXX XXXXXXXX XXXXXXX/XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 71 Duncan Avenue, Ronkonkoma, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$8,688
Recent tax assessments
Market value
$464,151
Assessed value
$2,460

More about Suffolk County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $464,151 $2,460 353.178 $8,688 +4.38%
2024-2025 $464,151 $2,460 338.342 $8,323 -17.92%
2023-2024 $455,556 $2,460 412.188 $10,140 +27.16%
2022-2023 $396,774 $2,460 324.157 $7,974 +3.72%
2021-2022 $332,432 $2,460 312.54 $7,688 +2.63%
2020-2021 $319,481 $2,460 304.524 $7,491 +1.29%
2019-2020 $286,047 $2,460 300.635 $7,396 +0.70%
2018-2019 $286,047 $2,460 298.542 $7,344 +3.71%
2017-2018 $273,333 $2,460 287.866 $7,082 +0.44%
2016-2017 $270,330 $2,460 286.604 $7,050 +2.99%
Permits

Permit information for 71 Duncan Avenue, Ronkonkoma, NY

No recently recorded permits for this property.

Neighborhood

Brookhaven residential market stats

Access a detailed real estate market overview of Brookhaven so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Brookhaven and compare it to other neighborhoods in Suffolk.

Median sale price

$575,000

4.5% Y-o-Y

Median price/sq. ft.

$348

2.4% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Hiawatha School 4 Public K-5 603 0.29
Nokomis School 3 Public K-5 527 0.96
St Joseph School NR Private PK, K-8 212 1.06
St Joseph School NR Private PK, K-8 212 1.06
Maimonides Day School NR Private PK, K-3 25 1.33
Maimonides Day School NR Private PK, K-3 25 1.33
Cayuga School 6 Public K-5 516 1.43
Holbrook Road School 4 Public K-5 367 1.67
Edith L Slocum Elementary School 6 Public PK, K-5 272 1.92
Edith L Slocum Elementary School 6 Public PK, K-5 272 1.92
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Samoset Middle School 6 Public 6-8 892 0.77
St Joseph School NR Private PK, K-8 212 1.06
Seneca Middle School 6 Public 6-8 973 1.90
Sagamore Middle School 6 Public 6-8 933 2.17
Cleary School For The Deaf NR Private PK-12 79 2.23
Lake Grove School NR Private 8-12 50 2.26
Ronkonkoma Middle School 8 Public 6-8 672 2.46
Long Island Baptist Academy NR Private 2-12 8 2.67
Our Savior New American School NR Private PK, K-12 122 2.94
Jericho Elementary School 3 Public 1-5, 7 413 3.21
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Sachem High School North 8 Public 9-12 1,923 1.12
Cleary School For The Deaf NR Private PK-12 79 2.23
Lake Grove School NR Private 8-12 50 2.26
Long Island Baptist Academy NR Private 2-12 8 2.67
Our Savior New American School NR Private PK, K-12 122 2.94
Connetquot High School 8 Public 9-12 1,757 3.47
Centereach High School 6 Public 9-12 1,475 3.65
Newfield High School 8 Public 9-12 1,559 3.95
Sachem High School East 7 Public 9-12 2,082 4.72
Gersh Academy NR Private 6-12 0 4.73

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 71 Duncan Avenue, Ronkonkoma, NY

9 Larch St, Ronkonkoma 23 Leicester Ave, Ronkonkoma 27 Leicester Ave, Ronkonkoma 61 Duncan Ave, Ronkonkoma 16 Osborne Ave, Ronkonkoma 19 Leicester Ave, Ronkonkoma 23 Larch St, Ronkonkoma 31 Leicester Ave, Ronkonkoma 70 Duncan Ave, Ronkonkoma 67 Creighton Ave, Ronkonkoma 65 Creighton Ave, Ronkonkoma 21 Larch St, Ronkonkoma 29 Leicester Ave, Ronkonkoma 10 Osborne Ave, Ronkonkoma 12 Osborne Ave, Ronkonkoma 73 Duncan Ave, Ronkonkoma 11 Larch St, Ronkonkoma 8 Walnut St, Ronkonkoma 60 Creighton Ave, Ronkonkoma

Nearby ZIP codes for 71 Duncan Avenue, Ronkonkoma, NY

11705, Suffolk County, NY 11716, Suffolk County, NY 11720, Suffolk County, NY 11722, Suffolk County, NY 11738, Suffolk County, NY 11739, Suffolk County, NY 11741, Suffolk County, NY 11742, Suffolk County, NY 11749, Suffolk County, NY 11752, Suffolk County, NY 11755, Suffolk County, NY 11767, Suffolk County, NY 11769, Suffolk County, NY 11780, Suffolk County, NY 11784, Suffolk County, NY 11787, Suffolk County, NY 11788, Suffolk County, NY 11790, Suffolk County, NY 11796, Suffolk County, NY

Frequently asked questions

What is the year built for 71 Duncan Avenue, Ronkonkoma, NY 11779?

The development at 71 Duncan Avenue, Ronkonkoma, NY 11779 was built in 1935.

What is the total square footage of 71 Duncan Avenue, Ronkonkoma, NY 11779?

71 Duncan Avenue, Ronkonkoma, NY 11779 has a total of 1,375 square feet.

When was 71 Duncan Avenue, Ronkonkoma, NY 11779 last sold and what was the sale price?

71 Duncan Avenue, Ronkonkoma, NY 11779 was last sold on 12/16/2022 for $440,000.

What is the assessed value of 71 Duncan Avenue, Ronkonkoma, NY 11779?

71 Duncan Avenue, Ronkonkoma, NY 11779 is currently assessed at $2,460.

What are the property taxes for 71 Duncan Avenue, Ronkonkoma, NY 11779?

The property taxes for 71 Duncan Avenue, Ronkonkoma, NY 11779 total $8,688.

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