18 Seneca St, Ocean Beach, NY 11770 Property Records

Suffolk County and Brookhaven Town property record for 18 Seneca St, Ocean Beach, NY 11770

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 810 sqft · built 1945
Lot Size	0.17 acres (7,405 sqft)
Owner	2 Individual Names on File
Last Sale	$2,500,000 (Oct 2025)
Tax Bill	$7,680 (2024)
Deeds & Mortgages	Oct 2025 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`0200-985.70-07.00-049.000`

Property Details

APN / Parcel Number

Primary APN	`0200-985.70-07.00-049.000`
Alternative APNs	`472289 985.70-07-049.000` `228998507000070490000000` `00003274880` `0003274880` `3274880`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	810 sqft Living Area

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Architectural Style	Ranch
Exterior Material	Brick
Lot Area	7,405 sqft (0.17 acres)
View / Lot	Waterfront

Utilities, Heating & Cooling

Heating System	Radiant

Location & Zoning

Account Number	3274880
Street Address	18 SENECA ST
City	OCEAN BEACH
State	NY
Zip	11770
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	OCEAN B PK 3 AMD 175 PT O PK 151 53
Legal Subdivision	OCEAN BAY PK 3 AMMENDED MAP
Legal Block	5700
Legal Lot Number	700
Jurisdiction	SUFFOLK NY
Township / Civil Division	BROOKHAVEN
Census Block Group	1
Census Block	1063
Census Tract	159510

Owner

18 Seneca St is owned by two individuals who bought it in October 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	43 SALTMEADOW LN, BAYPORT, NY 11705-2201
Owner Type	Individual
Vesting	Husband and Wife

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
Last Sale	Oct 2, 2025 · Amount on File
Deed Sale	Oct 2, 2025 · Amount on File
Prior Sale	Dec 21, 2022 · Amount on File
Deed Book / Page	13311 / 580
Record Updated	Sep 20, 2026

October 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Oct 2, 2025
Property Address	18 SENECA ST, OCEAN BEACH, NY 11770
Document Number	0133110580
Book / Page	13311 / 580
Instrument Date	Aug 21, 2025
Transaction Type	Transfer
Record Updated	Apr 21, 2026
Title Company	ALL STATE ABSTRACT, ALL STATE ABSTRACT CORP

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	43 SALTMEADOW LN, BAYPORT, NY 11705-2201

Mortgage

Document Number	0002368723
Date	Oct 2, 2025
Instrument	23687/23

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

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	Fire Island Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$4,900 Land $300 Building $4,600	$1,020,833 Land $56,604 Building $867,925
2024	$7,680.00
2023		$4,900 Land $300 Building $4,600	$9,075 Land $556 Building $8,519

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 18 Seneca St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	9.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 869 individual policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	890 units insured incl. 21 condo units
Nearby Flood Claims	993 (1978–2024)
Claims Outside the SFHA	14 of 993
Most Recent Claim	Feb 2024 · river or lake flooding
Claims by Event	Hurricane Sandy, Nov 2012 · 513 claims Severe Blizzard, Mar 1993 · 50 claims Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 102 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

The area around 18 Seneca St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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 317 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20