321 E Main St, #18, Smithtown, NY 11787 Property Records

Suffolk County and Smithtown Town property record for 321 E Main St, #18, Smithtown, NY 11787 · Last verified August 2026

Property Summary

Property Type	Commercial Office
Details	752 sqft · built 1986
Lot Size	0.01 acres (436 sqft)
Owner	Company Name on File
Last Sale	$210,000 (Dec 2016)
Tax Bill	$6,226 (2024)
Deeds & Mortgages	May 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`473489 105.1-1-16`

Property Details

APN / Parcel Number

Primary APN	`473489 105.1-1-16`
Alternative APNs	`0800-105.01-01.00-016.000` `348910500100010160000000` `47340025138`

Interior

Units	8 Units
Building Area	752 sqft Gross Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Lot Area	436 sqft (0.01 acres)

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	321 E MAIN ST, 18
City	SMITHTOWN
State	NY
Zip	11787-2820
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	1-30182 TC-70 SMITHTOWN PROFESSIONAL OFBLDG321 UNIT 18 *124
Legal Subdivision	SMITHTOWN PROF OFFICE PK
Legal Block	1
Legal Lot Number	16
Jurisdiction	SUFFOLK NY
Township / Civil Division	SMITHTOWN
Census Block Group	3
Census Block	3021
Census Tract	135002

Owner

Source: Suffolk County and Smithtown Town records · APN 473489 105.1-1-16

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	321 E MAIN ST, 5, SMITHTOWN, NY 11787-2820
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 02, 2016 · Amount on Record
Deed Sale	Dec 02, 2016 · Amount on Record
Prior Sale	Feb 14, 2004 · Amount on Record
Deed Book / Page	12890 / 604
Record Updated	Sep 20, 2026

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	321 E MAIN ST # 18, 18, SMITHTOWN, NY 11787-2820
Document Number	0230390670
Instrument Date	May 30, 2019
Transaction Type	Mortgage
Record Updated	Aug 20, 2019
Title Company	NOT AVAILABLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	321 E MAIN ST #15 SMITHTOWN NY 117872820, 15, SMITHTOWN, NY 11787-2820

Mortgage

Document Number	0230390670
Date	Jul 05, 2019
Book Page	023039/000670

Lender

Name	MP5454 FNDG LLC
Address	30 PARK ROW #, LAWRENCE, NY 11559

Agreement

Amount	Amount Recorded

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	Smithtown Central School District (KG - 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		$2,495 (-) Land $425 Building $2,070	$311,875 (+10,774.3%) Land $53,125 Building $258,750
2024	$6,226.00
2023		$2,495 Land $425 Building $2,070	$2,868 Land $489 Building $2,379

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.