225 Union Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 225 Union Ave, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.36 acres (15,682 sqft)
Owner	2 Individual Names on Record
Last Sale	$300,000 (Mar 2013)
Deeds & Mortgages	Feb 2024 Sale
Flood Zone	Zone X (minimal risk)
APN	`472889 396.-5-35.5`

Property Details

APN / Parcel Number

Primary APN	`472889 396.-5-35.5`
Alternative APNs	`0500-396.00-05.00-035.005` `288939600000050350050000` `472800830300` `040996`

Exterior

Lot Area	15,682 sqft (0.36 acres)
Lot Dimensions	121 ft deep x 131 ft wide

Location & Zoning

Account Number	040996
Street Address	225 UNION AVE
City	ISLIP
State	NY
Zip	11751-4314
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Description	T059H00000000
Legal Subdivision	ESTATE OF JOSHUA BROWN
Legal Block	6000
Legal Lot Number	500
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1014
Census Tract	147402

Owner

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

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

Owner of Record	2 Individual Names on Record
Mailing Address	225 UNION AVE, ISLIP, NY 11751-4314
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 7, 2013 · Amount on Record
Deed Sale	Mar 7, 2013 · Amount on Record
Deed Book / Page	D00012722 / 736
Last Transfer Date	Jan 4, 2024
Transfer Doc	0132340793
Record Updated	Sep 20, 2026

February 2024: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Feb 1, 2024
Property Address	225 UNION AVE, ISLIP, NY 11751-4314
Document Number	0132340793
Book / Page	13234 / 793
Instrument Date	Jan 4, 2024
Transaction Type	Transfer
Record Updated	Apr 2, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	225 UNION AVE, ISLIP, NY 11751-4314

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	Assessed Value	Assessed Market Value
2025	$50,500 (-3.81%) Land $12,600 Building $37,900
2024		$711,268 (-1.37%) Land $177,465 Building $533,803
2023	$52,500 Land $12,600 Building $39,900	$721,154 Land $173,077 Building $548,077

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

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 Record 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

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 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