746 Johnson Ave, Ronkonkoma, NY 11779 Property Records

Suffolk County and Islip Town property record for 746 Johnson Ave, Ronkonkoma, NY 11779

Property Summary

Property TypeSingle Family Home
Details996 sqft · built 1972
Lot Size0.21 acres (9,148 sqft)
Owner2 Company Names on Record
Deeds & MortgagesNov 2021 Sale
Flood ZoneZone X (minimal risk)
APN472889 62.-1-58

Property Details

APN / Parcel Number

Primary APN472889 62.-1-58
Alternative APNs
  • 0500-062.00-01.00-058.000
  • 288906200000010580000000
  • 472800143370
  • 552730

Interior

Building Area996 sqft Living Area
1st Floor Area996 sqft

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1972
Lot Area9,148 sqft (0.21 acres)
Lot Dimensions125 ft deep x 75 ft wide

Location & Zoning

Account Number552730
Street Address746 JOHNSON AVE
CityRONKONKOMA
StateNY
Zip11779-6137
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA
Legal DescriptionX2240282Y212683 T014H00000000
Legal Block2000
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2027
Census Tract145808

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address5 BLACKMAN ST, SMITHTOWN, NY 11787-2003
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJul 19, 2021
Transfer Doc0131310523
Record UpdatedSep 20, 2026

November 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateNov 26, 2021
Property Address746 JOHNSON AVE, RONKONKOMA, NY 11779-6137
Document Number0131310523
Book / Page13131 / 523
Instrument DateJul 19, 2021
Transaction TypeTransfer
Record UpdatedJan 4, 2022

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust

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

YearAssessed ValueAssessed Market Value
2025$33,000 (-) Land $9,100 Building $23,900
2024$464,789 (+2.54%) Land $128,169 Building $336,620
2023$33,000 Land $9,100 Building $23,900$453,297 Land $125,000 Building $328,297

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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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