18 South Ave
Smithtown, NY 11787
— ba Lot 31,363 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 | $4,280 | $230 | $4,510 | $12,094 |
| 2024 | $4,280 | $230 | $4,510 | $11,794 |
| 2023 | $4,280 | $230 | $4,510 | $11,703 |
| 2022 | $4,280 | $230 | $4,510 | $11,461 |
| 2021 | $4,280 | $230 | $4,510 | $11,275 |
| 2020 | $4,280 | $230 | $4,510 | $11,225 |
| 2018 | $4,280 | $230 | $4,510 | $10,913 |
| 2017 | $4,280 | $230 | $4,510 | $10,499 |
| 2016 | $4,280 | $230 | $4,510 | $10,371 |
| 2015 | $4,280 | $230 | $4,510 | $10,333 |
| 2014 | $4,280 | $230 | $4,510 | $10,139 |
| 2013 | $4,280 | $230 | $4,510 | $8,819 |
| 2012 | $4,280 | $230 | $4,510 | $8,498 |
| 2011 | $4,280 | $230 | $4,510 | $8,329 |
| 2010 | $4,280 | $230 | $4,510 | $7,897 |
| 2008 | $4,280 | $230 | $4,510 | $7,695 |
| 2007 | $3,040 | $230 | $3,270 | $5,259 |
| 2006 | $3,040 | $230 | $3,270 | $4,972 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
31,363 sqft
ZIP code
11787
City
Smithtown
Street
South Ave
Coordinates
40.84775, -73.17354
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 18 South Ave last sell?
No public-record sale is on file for 18 South Ave.
What is the current tax assessment for 18 South Ave?
The most recent total assessment for 18 South Ave (year 2025) is $4,510 with $12,094 in property tax.
When was 18 South Ave built?
The year built for 18 South Ave is not in our records.
How does 18 South Ave compare to others on South Ave?
We track 7 other properties on South Ave. Browse the list under "Other properties on South Ave" to compare beds, baths, and sale history.
What are the property facts for 18 South Ave?
18 South Ave is a — bath, 31,363 sqft lot single_family.
Is 18 South Ave a flip candidate?
No — 18 South Ave does not appear in our flips dataset.
Is 18 South Ave a tax-appeal candidate?
No — 18 South Ave 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
Other properties on South Ave