421 Sweezy Ave, Riverhead, NY 11901 Property Records

Suffolk County and Riverhead Town property record for 421 Sweezy Ave, Riverhead, NY 11901

Property Summary

Property TypeMulti-Family Dwellings
Details2 bd · 1 ba · 1,000 sqft · built 1930
Lot Size0.15 acres (6,534 sqft)
OwnerIndividual Name on File
Last Sale$210,000 (Oct 2010)
Tax Bill$6,740 (2024)
Flood ZoneZone X (minimal risk)
APN473000 123.-2-25

Property Details

APN / Parcel Number

Primary APN473000 123.-2-25
Alternative APNs
  • 0600-123.00-02.00-025.000
  • 300012300000020250000000
  • 47300013249
  • 04

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area1,000 sqft Living Area
Gross Area1,210 sqft
1st Floor Area1,000 sqft

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1975
Architectural StyleRanch
Exterior MaterialComposition/Composite
Lot Area6,534 sqft (0.15 acres)
Lot Dimensions131 ft deep x 50 ft wide
View / LotCanal
Garage TypeDetached
Garage Area273 sqft
Parking Spaces1 Parking Space
PorchEnclosed Porch
Porch Area338 sqft

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil
Water SourceCommercial

Location & Zoning

Account Number04
Street Address421 SWEEZY AVE
CityRIVERHEAD
StateNY
Zip11901-2940
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code03
Legal Description*817 LT 18 WM H SWEEZY MAP 2 ABANDONED 452 0000 2
Legal Block2
Legal Lot Number25
JurisdictionSUFFOLK NY
Township / Civil DivisionRIVERHEAD
Census Block Group1
Census Block1011
Census Tract169800

Owner

Source: Suffolk County and Riverhead Town assessment roll, 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 File
Mailing Address421 SWEEZY AVE, RIVERHEAD, NY 11901-2940
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleOct 26, 2010 · Amount on Record
Deed SaleOct 26, 2010 · Amount on Record
Prior SaleOct 26, 2004 · Amount on Record
Deed Book / PageD12641 / 218
Prior Transfer DateJul 31, 1996
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$40,900 (+52.61%) Land $5,400 Building $35,500$501,225 (+73.75%) Land $66,176 Building $435,049
2024$6,740.00
2023$26,800 Land $5,400 Building $21,400$288,482 Land $58,127 Building $230,355

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 Policies1 in force
Nearby Flood Claims3 (1979–2008)
Claims Outside the SFHA3 of 3
Most Recent ClaimSep 2008 · 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 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 212 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.

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