3855 Mill Ln, Mattituck, NY 11952 Property Records

Suffolk County and Southold Town property record for 3855 Mill Ln, Mattituck, NY 11952

Property Summary

Property TypeSingle Family Home
Lot Size0.8 acres (34,848 sqft)
Owner2 Individual Names on Record
Last Sale$949,000 (May 2006)
Tax Bill$16,117 (2024)
Flood ZoneZone X (minimal risk)
APN473889 107.-4-3

Property Details

APN / Parcel Number

Primary APN473889 107.-4-3
Alternative APNs
  • 1000-107.00-04.00-003.000
  • 388910700000040030000000
  • 47380013536
  • 14

Exterior

Lot Area34,848 sqft (0.8 acres)

Location & Zoning

Account Number14
Street Address3855 MILL LN
CityMATTITUCK
StateNY
Zip11952-1756
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAC
Legal DescriptionBOOK 12450 PAGE 304 BILL 013068
Legal Block4
Legal Lot Number3
JurisdictionSUFFOLK NY
Township / Civil DivisionSOUTHOLD
Census Block Group2
Census Block2018
Census Tract170004

Owner

Source: Suffolk County and Southold 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 Record2 Individual Names on Record
Mailing Address3855 MILL LN, MATTITUCK, NY 11952-1756
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 16, 2006 · Amount on Record
Deed SaleMay 16, 2006 · Amount on Record
Prior SaleMar 11, 1999 · Amount on Record
Deed Book / Page12450 / 304
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionSouthold Town
Unified School DistrictMattituck-Cutchogue Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$10,300 (-) Land $1,200 Building $9,100$1,872,727 (+10,263.74%) Land $218,182 Building $1,654,545
2024$16,117.00
2023$10,300 Land $1,200 Building $9,100$18,070 Land $2,105 Building $15,965

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
Flood Insurance CostPremium on Record
median of 20 policies
Nearby Flood Policies20 in force
Nearby Flood Claims4 (2012–2024)
Claims Outside the SFHA1 of 4
Most Recent ClaimJan 2024 · tidal / storm surge

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 Likelihood0.02% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 72 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

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