794 Johnson Ave, Ronkonkoma, NY 11779 Property Records

Suffolk County and Islip Town property record for 794 Johnson Ave, Ronkonkoma, NY 11779

Property Summary

Property TypeSingle Family Home
Lot Size0.28 acres (12,197 sqft)
OwnerIndividual Name on File
Last Sale$455,000 (Aug 2024)
Flood ZoneZone X (minimal risk)
APN472889 62.-1-66

Property Details

APN / Parcel Number

Primary APN472889 62.-1-66
Alternative APNs
  • 0500-062.00-01.00-066.000
  • 288906200000010660000000
  • 472800143440
  • 552800

Exterior

Lot Area12,197 sqft (0.28 acres)
Lot Width111 ft Width

Location & Zoning

Account Number552800
Street Address794 JOHNSON AVE
CityRONKONKOMA
StateNY
Zip11779-6137
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA
Legal DescriptionX2240881Y212867 T014H00000000
Legal Block2000
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2027
Census Tract145808

Owner

794 Johnson Ave is owned by an individual who bought it in August 2024.

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

Owner of RecordIndividual Name on File
Mailing Address9426 SYCAMORE AVE, RONKONKOMA, NY 11779
Owner TypeIndividual
VestingIndividual(s)

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 9, 2024 · Amount on File
Deed SaleAug 9, 2024 · Amount on File
Deed Book / Page13259 / 378
Record UpdatedSep 20, 2026

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$35,000 Land $10,400 Building $24,600
2024$492,958 (+2.54%) Land $146,479 Building $346,479
2023$35,000 Land $10,400 Building $24,600$480,769 Land $142,857 Building $337,912

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

FEMA maps place 794 Johnson Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2011.

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

Wildfire risk around 794 Johnson Ave is low, with less than a 0.01% annual chance of 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

Nearby Properties on Johnson Ave

Nearby Streets

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