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739 Johnson Ave, Ronkonkoma, NY 11779 Property Records

Suffolk County and Islip Town property record for 739 Johnson Ave, Ronkonkoma, NY 11779

Property Summary

Property TypeSingle Family Home
Lot Size0.35 acres (15,246 sqft)
Owner2 Individual Names on Record
Last Sale$190,000 (May 2002)
Tax Bill$11,108 (2024)
Deeds & MortgagesApr 2021 Refinance
Dec 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN472889 62.-1-47

Property Details

APN / Parcel Number

Primary APN472889 62.-1-47
Alternative APNs
  • 0500-062.00-01.00-047.000
  • 288906200000010470000000
  • 472800143260
  • 552580

Exterior

Lot Area15,246 sqft (0.35 acres)
Lot Width75 ft Width

Location & Zoning

Account Number552580
Street Address739 JOHNSON AVE
CityRONKONKOMA
StateNY
Zip11779-6138
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA
Legal DescriptionX2240145Y212850 T014H00000000
Legal SubdivisionMAP LAKE HILLS ACREAGE UNIT N
Legal Block2000
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2021
Census Tract145808

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 Record2 Individual Names on Record
Mailing Address739 JOHNSON AVE, RONKONKOMA, NY 11779-6138
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 28, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
FREEDOM MORTGAGE CORP
Dec 27, 2017Deed of Trust, Mortgage · Conventional with PMI
HOMEBRIDGE FIN'L SVCS INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 14, 2002 · Amount on Record
Deed SaleMay 14, 2002 · Amount on Record
Prior SaleSep 10, 1993 · Amount on Record
Deed Book / Page12185 / 841
Last Transfer DateAug 19, 2010
Transfer Doc0126360110
Record UpdatedSep 20, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address739 JOHNSON AVE, RONKONKOMA, NY 11779-6138
Transaction TypeMortgage
Record UpdatedJun 1, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0232660898
DateApr 28, 2021
Book Page23266/898
InstrumentDM006410
Lender
NameFREEDOM MORTGAGE CORP
TypeSubprime Lender
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

December 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address739 JOHNSON AVE, RONKONKOMA, NY 11779-6138
Document Number0228950359
Instrument DateDec 27, 2017
Transaction TypeMortgage
Record UpdatedMar 1, 2018
Title CompanyPRO NATIONAL TITLE AGENCY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address739 JOHNSON AVE RONKONKOMA NY 117796138, RONKONKOMA, NY 11779-6138

Mortgage

Document Number0228950359
DateJan 24, 2018
Book Page022895/000359
Lender
NameHOMEBRIDGE FIN'L SVCS INC
TypeFunding / Finance Company
AddressISELIN, NJ 08830
Agreement
TypeConventional with PMI
AmountAmount Recorded
Term360 Months
DueJan 23, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionIslip Town
Unified School DistrictConnetquot Central School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$42,000 (-) Land $11,800 Building $30,200$591,549 (-) Land $166,197 Building $425,352
2024$11,108.00$591,549 (+2.54%) Land $166,197 Building $425,352
2023$42,000 Land $11,800 Building $30,200$576,923 Land $162,088 Building $414,835

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 in force
Nearby Flood Claims2 (2011–2014)
Claims Outside the SFHA2 of 2
Most Recent ClaimAug 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 RiskLow
lower than 98% of the US · lower than 97.9% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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