Property Record
321 Portion Rd, Ronkonkoma, NY 11779
Property Detail
321 Portion Rd
Nassau County-Suffolk County, NY
RONKO PARK 2292 SEC 1 SW 10X116FT 4
0200-648-00-05-00-028-000
Suffolk
Commercialnec
New York
B and X Area of moderate flood hazard, usually the area between the limits of the 100-year and 500-year floods.
500
2024
0.18 AC
2025
Central Suffolk
158502
Long Island (New York)
NEARBY LISTINGS FOR SALE OR LEASE
DEMOGRAPHICS near 321 Portion Rd
1 mile
3 mile
5 mile
2025 Total Population
12,259
93,133
230,939
2030 Population
12,087
92,601
229,717
Pop Growth 2025-2030
(1.40%)
(0.57%)
(0.53%)
Average Age
43
41
42
2025 Total Households
4,319
31,033
77,824
HH Growth 2025-2030
(1.76%)
(0.75%)
(0.75%)
Median Household Inc
$98,769
$127,919
$127,246
Avg Household Size
2.70
2.90
2.90
2025 Avg HH Vehicles
2.00
2.00
2.00
Median Home Value
$481,501
$572,746
$586,977
Median Year Built
1966
1970
1971
Nearby Places
Map Layers
Map Styles
Street
Aerial
Layers
Transit
Traffic
Biking
Places
Listings with unknown addresses are not visible on the map
- Restaurants
- Banks
- Shops
- Fitness
- Groceries
PUBLIC TRANSPORTATION
COMMUTER RAIL
Ronkonkoma Station (Greenport Branch - Long Island Rail Road, Ronkonkoma Branch - Long Island Rail Road)
Drive
Walk
Distance
Ronkonkoma Station (Greenport Branch - Long Island Rail Road, Ronkonkoma Branch - Long Island Rail Road)
7 min
2.8 mi
St James Station (Port Jefferson Branch - Long Island Rail Road)
Drive
Walk
Distance
St James Station (Port Jefferson Branch - Long Island Rail Road)
15 min
5.8 mi
AIRPORT
Long Island MacArthur
Drive
Walk
Distance
Long Island MacArthur
12 min
4.8 mi
Freight Ports
Port of New Haven
Drive
Walk
Distance
Port of New Haven
129 min
48.5 mi
Nearby Properties
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
1,207.60 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
49.54 AC
CA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
95.19 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
51.59 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
23.50 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
23.08 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
25.90 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
140.10 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
10.99 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
6,486 SF
0.55 AC
VILLA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
8.60 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
16.30 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
4,320 SF
0.35 AC
B1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
8.67 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
6.12 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2.31 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
0.55 AC
VILLA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7.33 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
10.60 AC
A
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
32.41 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
21.20 AC
AA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
6 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
3.50 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
0.49 AC
VILLA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
17.76 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
3.85 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
7.40 AC
IND1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
2.10 AC
CAA
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
15.92 AC
IND1
The World's #1 Commercial Real Estate Marketplace
Connect with us
© 2026 CoStar Group
The information above has been obtained from sources believed reliable. While we do not doubt its accuracy we have not verified it and make no guarantee, warranty or representation about it. It is your responsibility to independently confirm its accuracy and completeness. Any projections, opinions, assumptions, or estimates used are for example only and do not represent the current or future performance of the property. The value of this transaction to you depends on tax and other factors which should be evaluated by your tax, financial, and legal advisors. You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.