Suffolk County  »  11779  »  Ontario St  »  312 Ontario St

312 Ontario Street, Ronkonkoma, NY 11779 - Property report

Also known as: 312 Ontario St

Property image for 312 Ontario Street, Ronkonkoma, NY 11779
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Property type

One Family Year-Round Residence (210)

Year built

1998

Acreage

0.35

Sale price

$470,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
312 Ontario Street
ZIP code
11779
County
Suffolk
Village (SWIS code)
472889
Parcel ID
31-4-83

Owner

Find out who owns 312 Ontario Street, Ronkonkoma, NY 11779. Uncover corporate and individual owners with a free account.

Sales
Sale date
01/03/2018
Sale price
$470,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$13,288
Zoning & Use
Zoning
Residential (B)
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,687
Year built
1998
Lot
Acreage
0.35

Area overview

Walk score
14 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
14 /100.  Somewhat Bikeable
School district
472807

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

Ownership

Ownership information for 312 Ontario Street, Ronkonkoma, NY

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

Sales history for 312 Ontario Street, Ronkonkoma, NY 11779

Sale date Sale price Buyer name Seller name
01/03/2018 $470,000 XXXXX XXXXXXX XXXXXXX XXXXXX
06/16/2011 $405,000 XXXXXXX XXXXXX XXXX XXXX XXXX; XXXX XXXXX XXXXX
04/15/2000 $54,428

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
02/05/2018 - R
01/03/2018 - D		 Deed
(Bargain and sale)		 XXXXXXX XXXXXX XXXXX XXXXXXX
07/21/2011 - R
06/16/2011 - D		 Deed
(Bargain & sale deed)		 XXXX XXXX XXXX XXXXXXX XXXXXX
05/18/2000 - R
04/15/2000 - D		 Deed
03/11/1999 - R
03/02/1999 - D		 Deed XXXXXXX XXXXXX & XXXX & XXXXXXX XXXXX/XXXXX XXX XXXX/XXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 312 Ontario Street, 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
$13,288
Recent tax assessments
Market value
$647,888
Assessed value
$46,000

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 $647,888 $46,000 28.886 $13,288 +4.73%
2024-2025 $647,888 $46,000 27.581 $12,687 +4.79%
2023-2024 $631,868 $46,000 26.321 $12,108 +1.30%
2022-2023 $555,556 $46,000 25.984 $11,953 +0.86%
2021-2022 $495,689 $46,000 25.763 $11,851 +2.14%
2020-2021 $474,227 $46,000 25.224 $11,603 +4.15%
2019-2020 $405,286 $46,000 24.219 $11,141 +5.77%
2018-2019 $405,286 $46,000 22.898 $10,533 +0.70%
2017-2018 $379,538 $46,000 22.738 $10,459 -3.55%
2016-2017 $362,205 $46,000 23.576 $10,845 +3.47%
Permits

Permit information for 312 Ontario Street, Ronkonkoma, NY

No recently recorded permits for this property.

Neighborhood

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)
Cherokee Street Elementary School 5 Public K-5 592 0.53
Edith L Slocum Elementary School 6 Public PK, K-5 272 0.75
Edith L Slocum Elementary School 6 Public PK, K-5 272 0.75
Helen B Duffield Elementary School 6 Public K-5 322 0.98
St Joseph School NR Private PK, K-8 212 1.08
St Joseph School NR Private PK, K-8 212 1.08
Cleary School For The Deaf NR Private PK-12 79 1.14
Cleary School For The Deaf NR Private PK-12 79 1.14
Tackan Elementary School 7 Public K-5 499 1.67
Maimonides Day School NR Private PK, K-3 25 2.06
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Joseph School NR Private PK, K-8 212 1.08
Cleary School For The Deaf NR Private PK-12 79 1.14
Ronkonkoma Middle School 8 Public 6-8 672 1.17
Samoset Middle School 6 Public 6-8 892 2.23
Great Hollow Middle School 7 Public 6-8 828 2.27
Gersh Academy NR Private 6-12 0 2.64
Lake Grove School NR Private 8-12 50 2.77
Ralph Reed School 3 Public 7-8 1,149 3.13
Hauppauge Middle School 6 Public 6-8 748 3.27
St Patrick Elementary School NR Private PK, K-8 463 3.37
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Cleary School For The Deaf NR Private PK-12 79 1.14
Connetquot High School 8 Public 9-12 1,757 2.30
Sachem High School North 8 Public 9-12 1,923 2.43
Gersh Academy NR Private 6-12 0 2.64
Lake Grove School NR Private 8-12 50 2.77
Hauppauge High School 9 Public 9-12 1,079 3.38
Central Islip Senior High School 3 Public 9-12 2,576 3.82
Smithtown High School East 10 Public 9-12 1,475 4.02
Our Savior New American School NR Private PK, K-12 122 4.32
Smithtown Christian School NR Private PK, K-12 529 4.43

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

Neighbors for 312 Ontario Street, Ronkonkoma, NY

124 Peach St, Brentwood 47 Harp Ln, Sayville 6 Dunwoodie Rd, West Islip 216 Hilltop Dr, Brentwood 1599 E Forks Rd, Bay Shore 508 Nostrand Ave, Central Islip 61 Seabay Walk, Ocean Beach 31 E Belmont St, Bay Shore 104 Duffy Pl, West Islip 351 Middle Rd, Bayport 38 E Chestnut St, Central Islip 25 Princess Ave, Bay Shore 1429 Pine Dr, Bay Shore 165 Claywood Dr, Brentwood 62 Plum St, Central Islip 108 Hilary St, West Sayville 35 Jefferson St, East Islip 529 Sylvan Ave, Bayport 241 N 4th St, Ronkonkoma 138 Dovecote Ln, Central Islip

Nearby ZIP codes for 312 Ontario Street, 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 312 Ontario Street, Ronkonkoma, NY 11779?

The development at 312 Ontario Street, Ronkonkoma, NY 11779 was built in 1998.

What is the total square footage of 312 Ontario Street, Ronkonkoma, NY 11779?

312 Ontario Street, Ronkonkoma, NY 11779 has a total of 2,687 square feet.

When was 312 Ontario Street, Ronkonkoma, NY 11779 last sold and what was the sale price?

312 Ontario Street, Ronkonkoma, NY 11779 was last sold on 01/03/2018 for $470,000.

What is the assessed value of 312 Ontario Street, Ronkonkoma, NY 11779?

312 Ontario Street, Ronkonkoma, NY 11779 is currently assessed at $46,000.

What are the property taxes for 312 Ontario Street, Ronkonkoma, NY 11779?

The property taxes for 312 Ontario Street, Ronkonkoma, NY 11779 total $13,287.

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