84 Riverside Ave, Mastic Beach, NY 11951 Property Records

Suffolk County and Brookhaven Town property record for 84 Riverside Ave, Mastic Beach, NY 11951

Property Summary

Property Type	Single Family Home
Lot Size	0.32 acres (13,939 sqft)
Owner	2 Individual Names on File
Tax Bill	$6,627 (2024)
Deeds & Mortgages	Jun 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0200-939.00-10.00-032.002`

Property Details

APN / Parcel Number

Primary APN	`0200-939.00-10.00-032.002`
Alternative APNs	`472289 939.00-10-032.002` `0209002000400032002` `00004102131` `4102131`

Exterior

Lot Area	13,939 sqft (0.32 acres)
View / Lot	Waterfront

Location & Zoning

Account Number	4102131
Street Address	84 RIVERSIDE AVE
City	MASTIC BEACH
State	NY
Zip	11951-1109
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Block	9001
Legal Lot Number	32
Jurisdiction	SUFFOLK NY
Township / Civil Division	BROOKHAVEN
Census Block Group	1
Census Block	1009
Census Tract	159512

Owner

84 Riverside Ave is owned and occupied by two individuals.

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

Owner of Record	2 Individual Names on File
Mailing Address	84 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1109
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	84 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1109
Document Number	0230460730
Instrument Date	Jun 20, 2019
Transaction Type	Mortgage
Record Updated	May 20, 2021
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	84 RIVERSIDE AVE MASTIC BEACH NY 119511109, MASTIC BEACH, NY 11951-1109

Mortgage

Document Number	0230460730
Date	Jul 30, 2019
Book Page	023046/000730

Lender

Name	NATIONWIDE MTG BANKERS INC
Address	68 S SERVICE RD # 340, MELVILLE, NY 11747-2358

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jul 29, 2034

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Brookhaven Town
Unified School District	William Floyd Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$1,853 Land $200 Building $1,653	$386,042 Land $37,736 Building $311,887
2024	$6,627.00
2023		$1,853 Land $200 Building $1,653	$3,431 Land $370 Building $3,061

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 84 Riverside Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 30 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	30 in force
Nearby Flood Claims	52 (1978–2024)
Claims Outside the SFHA	5 of 52
Most Recent Claim	Jan 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

Wildfire risk around 84 Riverside Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 96% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

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