18 Dewey Rd, Commack, NY 11725 Property Records

Suffolk County and Smithtown Town property record for 18 Dewey Rd, Commack, NY 11725

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,549 sqft · built 1961
Lot Size	0.32 acres (13,939 sqft)
Owner	2 Individual Names on File
Last Sale	$475,000 (Sep 2009)
Tax Bill	$15,263 (2024)
Deeds & Mortgages	Dec 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`473489 146.-1-64`

Property Details

APN / Parcel Number

Primary APN	`473489 146.-1-64`
Alternative APNs	`0800-146.00-01.00-064.000` `348914600000010640000000` `47340034239`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	1,549 sqft Living Area
Gross Area	2,302 sqft
1st Floor Area	814 sqft
2nd Floor Area	735 sqft

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1961
Architectural Style	Colonial
Exterior Material	Composition/Composite
Lot Area	13,939 sqft (0.32 acres)
View / Lot	Suburban
Garage Type	Attached
Garage Area	497 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Covered Porch
Porch Area	388 sqft
Shed	1 Shed
Shed Area	128 sqft

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	18 DEWEY RD
City	COMMACK
State	NY
Zip	11725-5313
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	21-849401 TC-52 *3238 LOT 91 VALMONT VILLAGE SEC 3
Legal Subdivision	MAP VALMONT VILLAGE SECTION 3
Legal Block	1
Legal Lot Number	64
Jurisdiction	SUFFOLK NY
Township / Civil Division	SMITHTOWN
Census Block Group	3
Census Block	3015
Census Tract	135205

Owner

Source: Suffolk County and Smithtown Town records · APN 473489 146.-1-64

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	2 Individual Names on File
Mailing Address	18 DEWEY RD, COMMACK, NY 11725-5313
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 11, 2009 · Amount on Record
Deed Sale	Sep 11, 2009 · Amount on Record
Prior Sale	Jul 10, 1998 · Amount on Record
Deed Book / Page	12599 / 691
Last Transfer Date	Sep 05, 2012
Transfer Doc	D000127170062
Record Updated	Sep 20, 2026

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	18 DEWEY RD, COMMACK, NY 11725-5313
Document Number	0231020602
Instrument Date	Dec 28, 2019
Transaction Type	Mortgage
Record Updated	Mar 16, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18 DEWEY RD COMMACK NY 117255313, COMMACK, NY 11725-5313

Mortgage

Document Number	0231020602
Date	Feb 03, 2020
Book Page	023102/000602

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$5,394 (-7.48%) Land $350 Building $5,044	$674,250 (+9,961.93%) Land $43,750 Building $630,500
2024	$15,263.00
2023		$5,830 Land $350 Building $5,480	$6,701 Land $402 Building $6,299

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), as of September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031352053, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	5 (1979–2024)
Claims Outside the SFHA	3 of 5
Most Recent Claim	Aug 2024 · Severe Storm And Flooding

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 · Fixed Wireless in parts of the area	980 / 880
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 267 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NY5110526, 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.