251 Ave A, Ronkonkoma, NY 11779 Property Records

Suffolk County and Brookhaven Town property record for 251 Ave A, Ronkonkoma, NY 11779

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,942 sqft · built 1965
Lot Size0.18 acres (7,841 sqft)
OwnerIndividual Name on Record
Last Sale$350,000 (May 2015)
Tax Bill$14,553 (2024)
Flood ZoneZone X (minimal risk)
APN0200-623.00-03.00-024.000

Property Details

APN / Parcel Number

Primary APN0200-623.00-03.00-024.000
Alternative APNs
  • 472289 623.00-03-024.000
  • 228962300000030240000000
  • 00006105200
  • 0006105200
  • 6105200

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area1,942 sqft Living Area

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1965
Architectural StyleCape Cod
Exterior MaterialAluminum/Vinyl
Lot Area7,841 sqft (0.18 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number6105200
Street Address251 AVENUE A
CityRONKONKOMA
StateNY
Zip11779-1909
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionOAKWOOD CO INC 189 B H 81 TO 83 INC
Legal SubdivisionOAKWOOD COMPANY INC
Legal Block3000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1013
Census Tract158511

Owner

Source: Suffolk County and Brookhaven 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 RecordIndividual Name on Record
Mailing Address251 AVENUE A, RONKONKOMA, NY 11779-1909
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 7, 2015 · Amount on Record
Deed SaleMay 7, 2015 · Amount on Record
Deed Book / Page12816 / 258
Prior Transfer DateApr 27, 2015
Prior Transfer Doc1281000258
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictMiddle Country Central School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$3,250 (-) Land $150 Building $3,100$677,083 (+11,149.09%) Land $28,302 Building $584,906
2024$14,553.00
2023$3,250 Land $150 Building $3,100$6,019 Land $278 Building $5,741

Assessed value is set for property tax purposes, not a market price estimate; it is 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 Policies1 in force
Nearby Flood Claims4 (1980–2014)
Claims Outside the SFHA4 of 4
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 253 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
T-Mobile
Fixed Wireless
100 / 20

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