Suffolk County » 11779 » Peconic St » 644 Peconic St

644 Peconic Street, Ronkonkoma, NY 11779 Property Information

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Address

Primary address	644 Peconic Street, Ronkonkoma
Zip code	11779
County	Suffolk

Municipality	Islip
Parcel ID	85-3-41

Sales & Tax Overview for 644 Peconic Street, Ronkonkoma

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date	10/21/2025
Sale price	$646,250

Arm's length	Register
Property tax	$11,121

Lot & Building Information for 644 Peconic Street, Ronkonkoma

Building sqft	1,294
Building class	One Family Year-Round Residence (210)
Acreage	0.36
Year built	1967

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Register
School district	Connetquot

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 644 Peconic Street, Ronkonkoma

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About 644 Peconic Street, Ronkonkoma

What is the year built & the total sq. ft. for 644 Peconic Street, Ronkonkoma, NY 11779?

644 Peconic Street, Ronkonkoma, NY 11779 was built in 1967 and has a total of 1,294 square feet.

What is the assessed value of 644 Peconic Street, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $38,500, the tax amount paid for 644 Peconic Street, Ronkonkoma, NY 11779 is $11,121.

When was 644 Peconic Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?

644 Peconic Street, Ronkonkoma, NY 11779 was last sold in 10/21/2025 for $646,250.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

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When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.

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New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs

Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million

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Past Sales & Property History for 644 Peconic Street, Ronkonkoma

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*Here are the three most recent sales for this property.

More about Suffolk County Property Records

Title Documents for 644 Peconic Street, Ronkonkoma

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Date	Type	Amount	Party 1	Party 2	Doc image
12/22/2025 - R 10/21/2025 - D	Deed
09/03/2020 - R 08/24/2020 - D	Deed (Bargain and sale)
04/25/2016 - R 12/15/2015 - D	Deed (Bargain and sale)
10/08/2010 - R 09/28/2010 - D	Deed (Bargain & sale deed)

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R: Recorded date
D: Document date

Property Taxes for 644 Peconic Street, Ronkonkoma

Access detailed property tax data for 644 Peconic Street, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2025-2026
Property tax	$11,121
Market value	$542,254
Assessed value	$38,500

More about Suffolk County Property Taxes

Assessment History for 644 Peconic Street, Ronkonkoma

Here's the assessment & property tax history for 644 Peconic Street, Ronkonkoma, including the evolution of the total tax rate and corresponding property tax.

Year	Market value	Assessment value	Total tax rate	Property tax	Year over year change
2025-2026	$542,254	$38,500	28.886	$11,121	+4.73%
2024-2025	$542,254	$38,500	27.581	$10,619	+4.79%
2023-2024	$528,847	$38,500	26.321	$10,134	+1.30%
2022-2023	$464,976	$38,500	25.984	$10,004	+0.86%
2021-2022	$414,870	$38,500	25.763	$9,919	+2.14%

Permits for 644 Peconic Street, Ronkonkoma

The complete history of permits filed for 644 Peconic Street, Ronkonkoma, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 644 Peconic Street, Ronkonkoma, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s)	X (See more on map)

Transportation

Access the detailed traffic volume map for 644 Peconic Street, Ronkonkoma to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Helen B Duffield Elementary School	6	Public	K-5	322	0.35
Edith L Slocum Elementary School	6	Public	PK, K-5	272	0.60
Edith L Slocum Elementary School	6	Public	PK, K-5	272	0.60
St Joseph School	NR	Private	PK, K-8	212	1.39
St Joseph School	NR	Private	PK, K-8	212	1.39

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Ronkonkoma Middle School	8	Public	6-8	672	0.27
St Joseph School	NR	Private	PK, K-8	212	1.39
Cleary School For The Deaf	NR	Private	PK-12	79	2.40
Samoset Middle School	6	Public	6-8	892	2.78
Seneca Middle School	6	Public	6-8	973	2.98

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Connetquot High School	8	Public	9-12	1,757	1.22
Cleary School For The Deaf	NR	Private	PK-12	79	2.40
Sachem High School North	8	Public	9-12	1,923	3.09
Gersh Academy	NR	Private	6-12	0	3.32
Lake Grove School	NR	Private	8-12	50	3.78

Neighbors for 644 Peconic Street, Ronkonkoma

Here are the neighbors for 644 Peconic Street, Ronkonkoma.

Address	Square feet	Purchase date	Purchase price
2223 Feuereisen Ave, Ronkonkoma	1,738	12/23/2019	$390,000
2222 Julia Goldbach Ave, Ronkonkoma
2176 Feuereisen Ave, Ronkonkoma	1,347	08/19/2019	$450,000
624 Peconic St, Ronkonkoma
2188 Feuereisen Ave, Ronkonkoma		12/20/2022	$225,000
2200 Feuereisen Ave, Ronkonkoma		10/19/2011
2278 Julia Goldbach Ave, Ronkonkoma		04/14/2010
2262 Feuereisen Ave, Ronkonkoma		10/26/2023	$960,000
2238 Louis Kossuth Ave, Ronkonkoma	1,416	05/30/2018
2274 Julia Goldbach Ave, Ronkonkoma
2230 Julia Goldbach Ave, Ronkonkoma		04/30/1997
2173 Feuereisen Ave, Ronkonkoma	2,154	10/28/2020	$200,000
2290 Julia Goldbach Ave, Ronkonkoma
2215 Feuereisen Ave, Ronkonkoma		07/07/2016	$335,000
641 Peconic St, Ronkonkoma	1,376	01/25/2018	$375,000
2212 Feuereisen Ave, Ronkonkoma	1,630	07/26/2017
2234 Louis Kossuth Ave, Ronkonkoma		09/10/2014	$305,000
2172 Feuereisen Ave, Ronkonkoma		06/27/2011	$225,000
2282 Feuereisen Ave, Ronkonkoma
2292 Feuereisen Ave, Ronkonkoma	2,165	02/26/2021	$630,000

Nearby ZIP Codes for 644 Peconic Street, Ronkonkoma

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