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533 Ostrander Ave, Riverhead, NY 11901 Property Records

Suffolk County and Riverhead Town property record for 533 Ostrander Ave, Riverhead, NY 11901

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,470 sqft · built 1934
Lot Size0.519 acres (22,651 sqft)
OwnerTrust Name on File
Deeds & MortgagesJul 2023 Transfer
Flood ZoneZone X (minimal risk)
APN473000 127.-1-3

Property Details

APN / Parcel Number

Primary APN473000 127.-1-3
Alternative APNs
  • 0600-127.00-01.00-004.001
  • 0600-127.00-01.00-003.000
  • 300012700000010030000000
  • 473000 127.-1-4.1
  • 04

Interior

Bedrooms3 Beds
Full Baths2 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories2 Stories
Building Area1,470 sqft Living Area
1st Floor Area750 sqft
2nd Floor Area720 sqft

Exterior

Year BuiltBuilt 1934
Architectural StyleTraditional
Exterior MaterialComposition/Composite
Lot Area22,651 sqft (0.519 acres)
Lot Dimensions224 ft deep x 100 ft wide
Garage TypeDetached
Garage Area380 sqft
Parking Spaces1 Parking Space
Shed1 Shed

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil
Water SourceCommercial

Location & Zoning

Account Number04
Old Parcel Number300012700000010030000000
Street Address533 OSTRANDER AVE
CityRIVERHEAD
StateNY
Zip11901-4679
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code03 - MULTI-FAMILY
Legal DescriptionLOT:4.001 BLK:1 SEC:127.00 DIST:0600-1 CITY/MUNI/TWP:RIVERHEAD
Legal Block1
Legal Lot Number4.001
JurisdictionSUFFOLK NY
Township / Civil DivisionRIVERHEAD
Census Block Group4
Census Block4001
Census Tract169800

Owner

533 Ostrander Ave is owner-occupied and held in a trust since January 2025.

Source: Suffolk County and Riverhead Town records, as of April 24, 2025

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 RecordTrust Name on File
Co-ownerCo-owner on File
Mailing Address125 MCLEOD PL, STRATFORD, CT 06614-2165
OccupancyOwner Occupied
Owner TypeCompany, Secondary Individual
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 16, 2025
Deed SaleJan 16, 2025
Prior SaleJul 6, 2023
Deed Document Number0013280310
Deed Book / Page13280 / 310
Record UpdatedJun 8, 2026

July 2023: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSUFFOLK NY
Recording DateJul 6, 2023
Property Address533 OSTRANDER AVE, RIVERHEAD, NY 11901-4679
Document Number0132080409
Book / Page13208 / 409
Instrument DateFeb 8, 2023
Transaction TypeTransfer
Record UpdatedMar 1, 2024

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address533 OSTRANDER AVE, RIVERHEAD, NY 11901-4679

Tax Assessment & Valuation

Source: Suffolk County and Riverhead Town assessment roll, as of May 31, 2024

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionRiverhead Town
Unified School DistrictRiverhead Central School District (PK - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2024$38,300 (+2.68%) Land $9,000 Building $29,300$459,233 (+14.38%) Land $107,914 Building $351,319
2023$37,300 Land $9,000 Building $28,300$401,507 Land $96,878 Building $304,629

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

Flood

FEMA maps place 533 Ostrander Ave in Zone X, an area of minimal flood risk, though there have been 46 flood claims nearby since 1978.

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
Flood Insurance CostPremium on File
median of 22 policies
Nearby Flood Policies22 in force
Nearby Flood Claims46 (1978–2020)
Claims Outside the SFHA21 of 46
Most Recent ClaimApr 2020 · other causes
Claims by Event
  • Hurricane Sandy, Oct 2012 · 15 claims
  • Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 8 claims
  • Coastal Storms & Flooding, Mar 1984 · 7 claims

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 533 Ostrander Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.01% 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 SystemRIVERHEAD WATER DISTRICT
serves 35,000 people · EPA ID NY5103705
Water SourceGroundwater
Last State InspectionJul 2025
Lead2 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityNitrite
resolved · Jul 2023
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 317 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable		8,000 / 8,000

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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