4880 Sound Ave, Mattituck, NY 11952 Property Records

Suffolk County and Riverhead Town property record for 4880 Sound Ave, Mattituck, NY 11952

Property Summary

Property TypeStorage Yard, Open Storage (Light Equipment, Material)
Lot Size65.1 acres (2,835,756 sqft)
OwnerCompany Name on Record
Last Sale$1,000,000 (Nov 2012)
Tax Bill$71,234 (2024)
Flood ZoneZone X (minimal risk)
APN473000 20.-3-1

Property Details

APN / Parcel Number

Primary APN473000 20.-3-1
Alternative APNs
  • 0600-020.00-03.00-001.000
  • 300002000000030010000000
  • 4730001555
  • 05

Exterior

Lot Area2,835,756 sqft
Lot Width914 ft Width

Location & Zoning

Account Number05
Street Address4880 SOUND AVE
CityMATTITUCK
StateNY
Zip11952
Property CategoryIndustrial
Property TypeIndustrial > Storage Yard, Open Storage (Light Equipment, Material)
Local Zoning Code10
Legal DescriptionNX NRTHVLLE IND SX SND AV
Legal Block3
Legal Lot Number1
JurisdictionSUFFOLK NY
Township / Civil DivisionRIVERHEAD
Census Block Group3
Census Block3010
Census Tract169906

Owner

Source: Suffolk County and Riverhead 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 RecordCompany Name on Record
Mailing Address212 SOUND SHORE RD, RIVERHEAD, NY 11901-5310
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 19, 2012 · Amount on Record
Deed SaleNov 19, 2012 · Amount on Record
Deed Book / PageD00012711 / 334
Prior Transfer DateApr 27, 2012
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$363,850 (-) Land $96,766 Building $267,084$4,458,946 (+13.85%) Land $1,185,858 Building $3,273,088
2024$71,234.00
2023$363,850 Land $96,766 Building $267,084$3,916,577 Land $1,041,615 Building $2,874,962

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
Flood Insurance CostPremium on Record
median of 28 policies
Nearby Flood Policies28 in force

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 95% of the US · lower than 94% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 15 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Cable · Fiber in parts of the area
940 / 35
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

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