51 Avondale Dr, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 51 Avondale Dr, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Details	2,240 sqft · built 1950
Lot Size	0.27 acres (11,761 sqft)
Owner	2 Individual Names on File
Last Sale	$599,000 (Dec 2021)
Tax Bill	$13,635 (2024)
Deeds & Mortgages	Dec 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`472889 397.-1-34`

Property Details

APN / Parcel Number

Primary APN	`472889 397.-1-34`
Alternative APNs	`0500-397.00-01.00-034.000` `288939700000010340000000` `472800830670` `604340`

Interior

Building Area	2,240 sqft Living Area
1st Floor Area	1,280 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Lot Area	11,761 sqft (0.27 acres)
Lot Width	90 ft Width
Garage Type	Attached
Garage Area	294 sqft

Location & Zoning

Account Number	604340
Street Address	51 AVONDALE DR
City	ISLIP
State	NY
Zip	11751-4401
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A
Legal Description	X2219485Y182996 T059H00000000
Legal Block	7000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1010
Census Tract	147402

Owner

51 Avondale Dr is owned and occupied by two individuals who bought it in December 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	51 AVONDALE DR, ISLIP, NY 11751-4401
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
Last Sale	Dec 8, 2021 · Amount on File
Deed Sale	Dec 8, 2021 · Amount on File
Prior Sale	Nov 3, 2008 · Amount on File
Deed Book / Page	13133 / 381
Record Updated	Sep 20, 2026

December 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Dec 8, 2021
Property Address	51 AVONDALE DR, ISLIP, NY 11751-4401
Document Number	0131330381
Book / Page	13133 / 381
Instrument Date	Oct 27, 2021
Transaction Type	Transfer
Record Updated	Jun 23, 2022

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9 CHAMPLIN AVE, EAST ISLIP, NY 11730-2103

Mortgage

Document Number	00DM050580
Date	Dec 8, 2021
Instrument	DM050580

Lender

Name	MEADOWBROOK FINANCIAL MTG BANKERS C

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record
Term	349 Months
Due	Jan 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Islip Town
Unified School District	Islip Union Free School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$50,100 Land $13,800 Building $36,300	$705,634 (+3.3%) Land $194,366 Building $511,268
2024	$13,635.00		$683,098 (+8.11%) Land $194,366 Building $488,732
2023		$46,000 Land $13,800 Building $32,200	$631,868 Land $189,560 Building $442,308

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

FEMA maps place 51 Avondale Dr in Zone X, an area of minimal flood risk, though there have been 19 flood claims nearby since 1980.

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 40 policies
Nearby Flood Policies	40 in force
Nearby Flood Claims	19 (1980–2023)
Claims Outside the SFHA	18 of 19
Most Recent Claim	Jul 2023 · rainfall accumulation
Claims by Event	Hurricane Sandy, Oct 2012 · 2 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 51 Avondale Dr 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 99.1% of the US · lower than 99.2% 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 357 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300
T-Mobile Fixed Wireless	100 / 20