77 Riverside Ave, Mastic Beach, NY 11951 Property Records

Suffolk County and Brookhaven Town property record for 77 Riverside Ave, Mastic Beach, NY 11951

Property Summary

Property TypeSingle Family Home
Lot Size0.33 acres (14,375 sqft)
OwnerIndividual Name on Record
Last Sale$244,000 (Sep 2021)
Tax Bill$8,034 (2024)
Deeds & MortgagesSep 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN0200-940.00-05.00-002.000

Property Details

APN / Parcel Number

Primary APN0200-940.00-05.00-002.000
Alternative APNs
  • 472289 940.00-05-002.000
  • 0209003000100002000
  • 00004106020
  • 4106020

Exterior

Lot Area14,375 sqft (0.33 acres)
View / LotCanal Front

Location & Zoning

Account Number4106020
Street Address77 RIVERSIDE AVE
CityMASTIC BEACH
StateNY
Zip11951-1120
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionMAP OF MASTIC ACRES
Legal Block5
Legal Lot Number500
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1003
Census Tract159512

Owner

Source: Suffolk County and Brookhaven 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 RecordIndividual Name on Record
Mailing Address77 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1120
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 3, 2021 · Amount on Record
Deed SaleSep 3, 2021 · Amount on Record
Prior SaleJul 10, 2015 · Amount on Record
Deed Book / Page13118 / 668
Record UpdatedSep 20, 2026

September 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateSep 3, 2021
Property Address77 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1120
Document Number0131180668
Book / Page13118 / 668
Instrument DateJul 16, 2021
Transaction TypeTransfer
Record UpdatedMay 6, 2022

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address3 SOMERSET DR, HOLBROOK, NY 11741-2873

Mortgage

Document NumberDM033008
DateSep 3, 2021
InstrumentDM033008
Lender
NameINTERCONTINENTAL CAPITAL GROUP INC
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term361 Months
DueOct 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictWilliam Floyd Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,993 (-) Land $150 Building $1,843$415,208 (+11,149.2%) Land $28,302 Building $347,736
2024$8,034.00
2023$1,993 Land $150 Building $1,843$3,691 Land $278 Building $3,413

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 30 policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies30 in force
Nearby Flood Claims52 (1978–2024)
Claims Outside the SFHA5 of 52
Most Recent ClaimJan 2024 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Oct 2012 · 14 claims
  • Hurricane Irene, Aug 2011 · 6 claims
  • Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 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

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

Wildfire RiskLow
lower than 97% of the US · lower than 96% of New York
Wildfire LikelihoodUnder 0.01% 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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
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 376 locations within half a mile, as of December 31, 2025

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

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