Suffolk County » 11779 » Rosevale Ave » 299 Rosevale Ave

299 Rosevale Avenue, Ronkonkoma, NY 11779 Property Information

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Address

Primary address	299 Rosevale Avenue, Ronkonkoma
Zip code	11779
County	Suffolk

Municipality	Islip
Parcel ID	21-3-79.2

Sales & Tax Overview for 299 Rosevale Avenue, Ronkonkoma

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

Current property tax	$0

Lot & Building Information for 299 Rosevale Avenue, Ronkonkoma

Building class	Recreational Facilities (682)
Acreage	21.2

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 299 Rosevale Avenue, Ronkonkoma

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About 299 Rosevale Avenue, Ronkonkoma

What is the assessed value of 299 Rosevale Avenue, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $834,101, the tax amount paid for 299 Rosevale Avenue, Ronkonkoma, NY 11779 is $249,054.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips

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.

Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

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 299 Rosevale Avenue, Ronkonkoma

Create a free account to view the complete sales history for 299 Rosevale Avenue, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

More about Suffolk County Property Records

Title Documents for 299 Rosevale Avenue, Ronkonkoma

Data not available for this property.

Property Taxes for 299 Rosevale Avenue, Ronkonkoma

Access detailed property tax data for 299 Rosevale 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	$249,054
Current property tax	$0
Market value	$11,747,902
Assessed value	$834,101

More about Suffolk County Property Taxes

Assessment History for 299 Rosevale Avenue, Ronkonkoma

Here's the assessment & property tax history for 299 Rosevale 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
2025-2026	$11,747,902	$834,101	29.859	$249,054	+5.93%
2024-2025	$11,747,902	$834,101	28.187	$235,108	+4.50%
2023-2024	$11,457,432	$834,101	26.972	$224,974	+1.00%
2022-2023	$10,073,684	$834,101	26.704	$222,738	+1.12%
2021-2022	$8,988,157	$834,101	26.409	$220,278	+1.87%

Permits for 299 Rosevale Avenue, Ronkonkoma

The complete history of permits filed for 299 Rosevale 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.

Demographics by Zip Code

Total population	38,206
Median age	39.7
Average household income	$130,603
Family households	67.5%
Occupied housing units	13,215

Owner occupied units	75.7%
People per household (average)	2.86
Median year structure built	1971
Median value for units with a mortgage	$496,500
Median value for units without a mortgage	$461,300

Risk

Create a free account to unlock extended information for 299 Rosevale Avenue, 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 299 Rosevale 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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Neighbors for 299 Rosevale Avenue, Ronkonkoma

Here are the neighbors for 299 Rosevale Avenue, Ronkonkoma.

Address	Square feet	Purchase date	Purchase price
259 Wheeler Rd, Hauppauge		01/17/2007	$386,900
20 Washington Ave, Ronkonkoma		03/29/2013	$515,000
28 Washington Ave, Ronkonkoma		03/26/2010	$550,000
10 Waterview Ave, Ronkonkoma	2,328	10/04/2019	$445,000
14 Stuyvesant St, Brentwood		05/15/2000	$66,000
1140 Motor Pkwy, Central Islip	153,500	05/09/2018
39 Wainwright St, Ronkonkoma		06/05/2007
967 Baeck St, Ronkonkoma		08/04/2009	$330,000
8 Waterview Ave, Ronkonkoma		10/22/1999	$185,000
364 Ontario St, Ronkonkoma		07/12/2007
812 Terry Rd, Hauppauge		10/09/2008
161 Farmardie Dr, Ronkonkoma
22 Millers CT, Ronkonkoma
251 Wheeler Rd, Hauppauge		12/18/2006
961 Baeck St, Ronkonkoma		07/28/2009	$353,596
24 Washington Ave, Ronkonkoma		05/21/2013	$536,368
46 W 4th St, Ronkonkoma		06/07/2007
6 Waterview Ave, Ronkonkoma	4,312	06/20/2025
366 Ontario St, Ronkonkoma		07/12/2007
16 Washington Ave, Ronkonkoma	2,242	08/31/2018	$610,000

Nearby ZIP Codes for 299 Rosevale Avenue, Ronkonkoma

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