756 Johnson Ave, Ronkonkoma, NY 11779 Property Records

Suffolk County and Islip Town property record for 756 Johnson Ave, Ronkonkoma, NY 11779

Property Summary

Property Type	Single Family Home
Details	1,983 sqft · built 1970
Lot Size	0.21 acres (9,148 sqft)
Owner	Individual Name on File
Last Sale	$367,500 (Aug 2017)
Tax Bill	$11,518 (2024)
Deeds & Mortgages	Jan 2022 Refinance Feb 2021 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`472889 62.-1-60`

Property Details

APN / Parcel Number

Primary APN	`472889 62.-1-60`
Alternative APNs	`0500-062.00-01.00-060.000` `288906200000010600000000` `472800143390` `552750`

Interior

Building Area	1,983 sqft Living Area
1st Floor Area	1,248 sqft

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1970
Lot Area	9,148 sqft (0.21 acres)
Lot Dimensions	125 ft deep x 75 ft wide
Garage Type	Attached
Garage Area	264 sqft

Location & Zoning

Account Number	552750
Street Address	756 JOHNSON AVE
City	RONKONKOMA
State	NY
Zip	11779-6137
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A
Legal Description	X2240471Y212740 T014H00000000
Legal Block	2000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	2
Census Block	2027
Census Tract	145808

Owner

Source: Suffolk County and Islip Town records, as of August 11, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	756 JOHNSON AVE, RONKONKOMA, NY 11779-6137
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 25, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance VALLEY NATIONAL BANK
Feb 2, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance VALLEY NATIONAL BANK
Aug 10, 2017	Grant Deed, Transfer · Conventional with PMI CORRIDOR MTG

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 10, 2017 · Amount on File
Deed Sale	Aug 10, 2017 · Amount on File
Prior Sale	Aug 27, 2002 · Amount on File
Deed Book / Page	12924 / 339
Prior Transfer Date	Apr 2, 2004
Prior Transfer Doc	0123200411
Record Updated	Sep 20, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	756 JOHNSON AVE, RONKONKOMA, NY 11779-6137
Transaction Type	Mortgage
Record Updated	Mar 15, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0233710601
Date	Jan 25, 2022
Book Page	23371/601
Instrument	DM060655

Lender

Name	VALLEY NATIONAL BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	756 JOHNSON AVE, RONKONKOMA, NY 11779-6137
Transaction Type	Mortgage
Record Updated	Mar 9, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0232260560
Date	Feb 2, 2021
Book Page	23226/560
Instrument	DL051604

Lender

Name	VALLEY NATIONAL BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SUFFOLK NY
Recording Date	Aug 10, 2017
Property Address	756 JOHNSON AVE, RONKONKOMA, NY 11779-6137
Document Number	0129240339
Book / Page	012924 / 000339
Instrument Date	Jun 26, 2017
Transaction Type	Transfer
Record Updated	Jan 10, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE COMPAN

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,470.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7 JULIE ST HAUPPAUGE NY 117882603, HAUPPAUGE, NY 11788-2603

Mortgage

Document Number	228420050
Date	Aug 10, 2017
Book Page	022842/000050

Lender

Name	CORRIDOR MTG
Type	Mortgage Company
Address	MARRIOTTSVILLE, MD 21104

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Aug 9, 2047

Tax Assessment & Valuation

Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Islip Town
Unified School District	Connetquot Central School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$41,000 (+2.5%) Land $9,100 Building $31,900	$577,465 (+2.5%) Land $128,169 Building $449,296
2024	$11,518.00		$563,380 (+2.54%) Land $128,169 Building $435,211
2023		$40,000 Land $9,100 Building $30,900	$549,451 Land $125,000 Building $424,451

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	2 (2011–2014)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Aug 2014 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 310 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

Cell Coverage

5G (outdoors only) and 4G LTE

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