18 Cornell Dr S, Commack, NY 11725 Property Records

Suffolk County and Smithtown Town property record for 18 Cornell Dr S, Commack, NY 11725

Property Summary

Property Type	Single Family Home
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Individual Names on File
Tax Bill	$17,783 (2024)
Flood Zone	Zone X (minimal risk)
APN	`473489 95.-4-75`

Property Details

APN / Parcel Number

Primary APN	`473489 95.-4-75`
Alternative APNs	`0800-095.00-04.00-075.000` `348909500000040750000000` `47340023161`

Exterior

Lot Area	10,019 sqft (0.23 acres)

Location & Zoning

Street Address	18 CORNELL DR S
City	COMMACK
State	NY
Zip	11725-2506
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	6-241379 TC-52 *5984 LOT 3 CORNELL WOODS AT COMMACK
Legal Block	4
Legal Lot Number	75
Jurisdiction	SUFFOLK NY
Township / Civil Division	SMITHTOWN
Census Block Group	1
Census Block	1010
Census Tract	135103

Owner

18 Cornell Dr S is owned and occupied by two individuals.

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

Owner of Record	2 Individual Names on File
Mailing Address	18 CORNELL DR S, COMMACK, NY 11725-2506
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

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Smithtown Town
Unified School District	Commack Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$6,496 Land $300 Building $6,196	$812,000 Land $37,500 Building $774,500
2024	$17,783.00
2023		$6,496 Land $300 Building $6,196	$7,467 Land $345 Building $7,122

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

Flood

FEMA maps place 18 Cornell Dr S in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1992.

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
Nearby Flood Claims	1 (1992)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 1992 · Coastal Storm, High Tides, Heavy Rain, & Flooding

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 18 Cornell Dr S 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 95% of the US · lower than 94% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 408 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