15 Prospect St
Smithtown, NY 11787
3 bd 1 ba 2,682 sqft Built 1887 Lot 43,560 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $3,830 | $550 | $4,380 | $11,761 |
| 2024 | $3,830 | $550 | $4,380 | $11,470 |
| 2023 | $2,975 | $550 | $3,525 | $9,153 |
| 2022 | $2,975 | $550 | $3,525 | $9,068 |
| 2021 | $2,975 | $550 | $3,525 | $8,918 |
| 2020 | $2,975 | $550 | $3,525 | $8,868 |
| 2018 | $2,975 | $550 | $3,525 | $8,620 |
| 2017 | $2,975 | $550 | $3,525 | $7,206 |
| 2016 | $2,975 | $550 | $3,525 | $7,131 |
| 2015 | $2,975 | $550 | $3,525 | $2,181 |
| 2014 | $2,975 | $550 | $3,525 | $2,139 |
| 2013 | $2,975 | $550 | $3,525 | $2,079 |
| 2012 | $2,975 | $550 | $3,525 | $1,983 |
| 2011 | $2,975 | $550 | $3,525 | $1,933 |
| 2010 | $2,975 | $550 | $3,525 | $1,775 |
| 2008 | $2,975 | $550 | $3,525 | $2,052 |
| 2007 | $2,975 | $550 | $3,525 | $1,816 |
| 2006 | $2,975 | $550 | $3,525 | $1,648 |
Property facts
Year built
1887
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
2,682 sqft
Lot size
43,560 sqft
ZIP code
11787
City
Smithtown
Street
Prospect St
Coordinates
40.85786, -73.20002
Comparable properties nearby
Frequently asked questions
When did 15 Prospect St last sell?
No public-record sale is on file for 15 Prospect St.
What is the current tax assessment for 15 Prospect St?
The most recent total assessment for 15 Prospect St (year 2025) is $4,380 with $11,761 in property tax.
When was 15 Prospect St built?
15 Prospect St was built in 1887.
How does 15 Prospect St compare to others on Prospect St?
We do not currently track other properties on Prospect St.
What are the property facts for 15 Prospect St?
15 Prospect St is a 3 bed, 1 bath, 2,682 sqft, 43,560 sqft lot single_family.
Is 15 Prospect St a flip candidate?
No — 15 Prospect St does not appear in our flips dataset.
Is 15 Prospect St a tax-appeal candidate?
No — 15 Prospect St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.4%
Implied 1-yr
-1.4%
2026 Q3
$777.7K
2026 Q4
$775K
ZIP 11787 — Median Price History + Forecast
Explore nearby
Geography