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12 Sylvester Avenue, Ronkonkoma, NY 11779 Property Information

12 Sylvester Avenue, Ronkonkoma, NY 11779 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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12 Sylvester Avenue, Ronkonkoma, NY 11779
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Address

Primary address 12 Sylvester Avenue, Ronkonkoma
Zip code 11779
County Suffolk
Municipality Brookhaven
Parcel ID 6222260

Sales & Tax Overview for 12 Sylvester Avenue, Ronkonkoma

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

Sale date 09/15/1993
Sale price $133,000
Arm's length
Current property tax $7,575

Lot & Building Information for 12 Sylvester Avenue, Ronkonkoma

Building sqft 2,760
Building class One Family Year-Round Residence (210)
Acreage 0.2
Year built 1964
Rooms 7
Bedrooms 4
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Sachem

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

Other Property Data for 12 Sylvester Avenue, Ronkonkoma

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About 12 Sylvester Avenue, Ronkonkoma

What is the year built & the total sq. ft. for 12 Sylvester Avenue, Ronkonkoma, NY 11779?

12 Sylvester Avenue, Ronkonkoma, NY 11779 was built in 1964 and has a total of 2,760 square feet.

What is the assessed value of 12 Sylvester Avenue, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $2,350, the tax amount paid for 12 Sylvester Avenue, Ronkonkoma, NY 11779 is $8,299.

When was 12 Sylvester Avenue, Ronkonkoma, NY 11779 last sold and what was the last sale price?

12 Sylvester Avenue, Ronkonkoma, NY 11779 was last sold in 09/15/1993 for $133,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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Past Sales & Property History for 12 Sylvester Avenue, Ronkonkoma

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Purchase date Purchase price Buyer name Seller name
09/15/1993 $133,000

Title Documents for 12 Sylvester Avenue, Ronkonkoma

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Date Type Amount Party 1 Party 2 Doc image
09/15/1993 - D
09/23/1993 - R
Deed
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 12 Sylvester Avenue, Ronkonkoma

Access detailed property tax data for 12 Sylvester Avenue, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Base tax $8,300
Current property tax $7,575
Market value $443,396
Assessed value $2,350

Assessment History for 12 Sylvester Avenue, Ronkonkoma

Here's the assessment & property tax history for 12 Sylvester Avenue, 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
2024-2025 $443,396 $2,350 338.342 $7,951 -17.92%
2023-2024 $435,185 $2,350 412.188 $9,686 +27.16%
2022-2023 $379,032 $2,350 324.157 $7,618 +3.72%
2021-2022 $317,568 $2,350 312.54 $7,345 +2.63%
2020-2021 $305,195 $2,350 304.524 $7,156 +1.29%

Permits for 12 Sylvester Avenue, Ronkonkoma

The complete history of permits filed for 12 Sylvester Avenue, 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

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

Transportation

Access the detailed traffic volume map for 12 Sylvester Avenue, 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 to school (mi)
Hiawatha School 4 Public K-5 603 0.74
St Joseph School NR Private PK, K-8 212 0.85
St Joseph School NR Private PK, K-8 212 0.85
Maimonides Day School NR Private PK, K-3 25 0.96
Maimonides Day School NR Private PK, K-3 25 0.96

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Samoset Middle School 6 Public 6-8 892 0.57
St Joseph School NR Private PK, K-8 212 0.85
Cleary School For The Deaf NR Private PK-12 79 1.78
Lake Grove School NR Private 8-12 50 1.92
Ronkonkoma Middle School 8 Public 6-8 672 2.33

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Sachem High School North 8 Public 9-12 1,923 0.91
Cleary School For The Deaf NR Private PK-12 79 1.78
Lake Grove School NR Private 8-12 50 1.92
Our Savior New American School NR Private PK, K-12 122 2.86
Long Island Baptist Academy NR Private 2-12 8 3.12

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 12 Sylvester Avenue, Ronkonkoma

Here are the neighbors for 12 Sylvester Avenue, Ronkonkoma.

Address Square feet Purchase date Purchase price
11 Sylvester Ave, Ronkonkoma 888
10 Benoni Ave, Ronkonkoma 1,752 06/03/2016 $338,500
12 Weichers St, Ronkonkoma 1,334 09/22/2025
15 Samuel St, Ronkonkoma 1,439 12/23/2024 $565,000
25 Carroll Ave, Ronkonkoma 1,528 08/30/2018 $385,000
14 Weichers St, Ronkonkoma 1,015 03/02/2026 $495,000
214 Portion Rd, Ronkonkoma 09/09/1994 $200,000
10 Samuel St, Ronkonkoma 1,554 02/09/2004 $319,000
12 Samuel St, Ronkonkoma 2,084 04/16/2015
18 Weichers St, Ronkonkoma 1,420 01/23/2013
10 Weichers St, Ronkonkoma 609 08/21/2020 $285,000
20 Weichers St, Ronkonkoma 944 10/24/2014 $244,000
22 Weichers St, Ronkonkoma 1,044 08/20/2002 $187,235
17 Sylvester Ave, Ronkonkoma 640 04/10/2019 $354,994
20 Samuel St, Ronkonkoma 08/16/1994
6 Weichers St, Ronkonkoma 1,398 08/21/2000
4 Weichers St, Ronkonkoma 1,110 08/18/2020
16 Weichers St, Ronkonkoma 856 08/28/2014 $229,000
6 Benoni Ave, Ronkonkoma 1,056 11/23/2011 $193,392
218 Ronkonkoma Ave, Ronkonkoma 06/20/2024 $470,000

Nearby ZIP Codes for 12 Sylvester Avenue, Ronkonkoma

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