645 S Walnut St, Lindenhurst, NY 11757 Property Records

Suffolk County and Babylon Town property record for 645 S Walnut St, Lindenhurst, NY 11757

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,320 sqft · built 1952
Lot Size	0.126 acres (5,500 sqft)
Owner	Company Name on File
Tax Bill	$9,141 (2024)
Deeds & Mortgages	Aug 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`472005 21.-3-19`

Property Details

APN / Parcel Number

Primary APN	`472005 21.-3-19`
Alternative APNs	`0103-021.00-03.00-019.000` `200502100000030190000000` `472000152030` `20220812820` `20230812820` `20250812820`

Interior

Full Baths	1 Bath
Building Area	1,320 sqft Building Perimeter

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Lot Area	5,500 sqft (0.126 acres)
Lot Dimensions	100 ft deep x 55 ft wide

Location & Zoning

Account Number	20250812820
Street Address	645 S WALNUT ST
City	LINDENHURST
State	NY
Zip	11757-5648
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	FM 180 BL 43 LTS S 515, ALL 16-17 INC
Legal Block	3
Legal Lot Number	19
Jurisdiction	SUFFOLK NY
Township / Civil Division	BABYLON
Census Block Group	1
Census Block	1012
Census Tract	124102

Owner

Source: Suffolk County and Babylon Town records · APN 472005 21.-3-19

Assessment roll updated August 11, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	645 S WALNUT ST, LINDENHURST, NY 11757-5648
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Dec 28, 2020
Transfer Doc	0131170262
Record Updated	Sep 20, 2026

August 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Aug 24, 2021
Property Address	645 S WALNUT ST, LINDENHURST, NY 11757-5648
Document Number	0131170262
Book / Page	13117 / 262
Instrument Date	Dec 28, 2020
Transaction Type	Transfer
Record Updated	Apr 21, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	28 BALLAD CIR, HOLBROOK, NY 11741-3807

Tax Assessment & Valuation

Source: Suffolk County and Babylon Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Babylon Town
Municipality	Lindenhurst Village
Unified School District	Lindenhurst Union Free School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$2,690 (-) Land $190 Building $2,500
2024	$9,141.00
2023		$2,690 Land $190 Building $2,500	$249,074 Land $17,593 Building $231,481

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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 Record median of 288 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	288 in force
Nearby Flood Claims	196 (1979–2025)
Claims Outside the SFHA	19 of 196
Most Recent Claim	Oct 2025 · tidal / storm surge
Claims by Event	Hurricane Sandy, Oct 2012 · 95 claims Hurricane Irene, Aug 2011 · 28 claims Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 4 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

May also be available: T-Mobile USA.

Based on FCC filings for 794 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.