45 Prospect Ave, Smithtown, NY 11787 Property Records

Suffolk County and Smithtown Town property record for 45 Prospect Ave, Smithtown, NY 11787

Property Summary

Property Type	Multi-Family Dwellings
Lot Size	0.41 acres (17,860 sqft)
Owner	Individual Name on File
Last Sale	$660,000 (Jun 2006)
Tax Bill	$11,067 (2024)
Flood Zone	Zone X (minimal risk)
APN	`473489 108.-1-10`

Property Details

APN / Parcel Number

Primary APN	`473489 108.-1-10`
Alternative APNs	`0800-108.00-01.00-010.000` `348910800000010100000000` `47340025747`

Interior

Units	2 Units

Exterior

Architectural Style	Multi-Family
Lot Area	17,860 sqft (0.41 acres)

Location & Zoning

Street Address	45 PROSPECT AVE
City	SMITHTOWN
State	NY
Zip	11787-3807
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	15-606701 TC-42 *878 IMP ON LOT 54 RINALDI GARDENS L54-60 IN
Legal Subdivision	MAP RINALDI GARDENS
Legal Block	1
Legal Lot Number	10
Jurisdiction	SUFFOLK NY
Township / Civil Division	SMITHTOWN
Census Block Group	1
Census Block	1001
Census Tract	135401

Owner

Source: Suffolk County and Smithtown Town records · APN 473489 108.-1-10

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	Individual Name on File
Mailing Address	45 PROSPECT AVE, SMITHTOWN, NY 11787-3807
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 28, 2006 · Amount on Record
Deed Sale	Jun 28, 2006 · Amount on Record
Prior Sale	May 05, 2005 · Amount on Record
Deed Book / Page	12457 / 226
Record Updated	Sep 20, 2026

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		$4,100 (-) Land $280 Building $3,820	$512,500 (+10,774.18%) Land $35,000 Building $477,500
2024	$11,067.00
2023		$4,100 Land $280 Building $3,820	$4,713 Land $322 Building $4,391

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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 Cable · Fiber in parts of the area	940 / 35
Verizon Fixed Wireless · Fiber in parts of the area	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 250 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.