823 Mill Rd, Riverhead, NY 11901 Property Records

Suffolk County and Riverhead Town property record for 823 Mill Rd, Riverhead, NY 11901 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,241 sqft · built 2002
Lot Size1.28 acres (55,757 sqft)
Owner2 Individual Names on File
Last Sale$260,000 (Jan 2003)
Tax Bill$11,611 (2024)
Deeds & MortgagesMar 2021 Refinance
Flood ZoneZone X (minimal risk)
APN473000 81.-1-15.3

Property Details

APN / Parcel Number

Primary APN473000 81.-1-15.3
Alternative APNs
  • 0600-081.00-01.00-015.003
  • 300008100000010150030000
  • 4730007941
  • 17

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area2,241 sqft Living Area
Gross Area2,821 sqft
1st Floor Area1,635 sqft
Upper Floors Area606 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2002
Effective Year BuiltEffective 2002
Architectural StyleCape Cod
Exterior MaterialAluminum/Vinyl
Lot Area55,757 sqft
Garage TypeAttached
Garage Area580 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number17
Street Address823 MILL RD
CityRIVERHEAD
StateNY
Zip11901-5245
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMINOR X A JOACHIM J NAPOLITANO & R ROMANO #10716 11/28/01 LOT 3
Legal SubdivisionMAP OF ALEXANDER JOACHIM
Legal Block1
Legal Lot Number15
JurisdictionSUFFOLK NY
Township / Civil DivisionRIVERHEAD
Census Block Group3
Census Block3007
Census Tract169706

Owner

Source: Suffolk County and Riverhead Town records · APN 473000 81.-1-15.3

Assessment roll updated August 11, 2026 · Last verified August 2026

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

Owner of Record2 Individual Names on File
Mailing Address823 MILL RD, RIVERHEAD, NY 11901-5245
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 06, 2003 · Amount on Record
Deed SaleJan 06, 2003 · Amount on Record
Prior SaleMay 14, 2002 · Amount on Record
Deed Book / Page12228 / 610
Record UpdatedSep 20, 2026

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address823 MILL RD, RIVERHEAD, NY 11901-5245
Transaction TypeMortgage
Record UpdatedApr 13, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0232440401
DateMar 10, 2021
Book Page23244/401
InstrumentDL060290
Lender
NameQUICKEN LOANS INC
TypeLending Institution
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term169 Months
DueApr 01, 2035

Tax Assessment & Valuation

Source: Suffolk County and Riverhead Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2025$60,200 (-) Land $13,600 Building $46,600$737,745 (+13.85%) Land $166,667 Building $571,078
2024$11,611.00
2023$60,200 Land $13,600 Building $46,600$648,009 Land $146,394 Building $501,615

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031697063, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 7 individual NFIP policies nearby
Nearby Flood Policies7 in force
4 of 7 on primary residences

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

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