18 Seymour Ave
East Islip, NY 11730
— ba 2,017 sqft Built 1967 Lot 6,534 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 | $40,100 | $6,700 | $46,800 | $12,527 |
| 2024 | $40,100 | $6,700 | $46,800 | $12,102 |
| 2023 | $34,200 | $6,700 | $40,900 | $12,102 |
| 2022 | $34,200 | $6,700 | $40,900 | $12,205 |
| 2021 | $34,200 | $6,700 | $40,900 | $11,896 |
| 2020 | $34,200 | $6,700 | $40,900 | $11,804 |
| 2018 | $34,200 | $6,700 | $40,900 | $11,765 |
| 2017 | $34,200 | $6,700 | $40,900 | $9,311 |
| 2016 | $34,200 | $6,700 | $40,900 | $9,404 |
| 2015 | $34,200 | $6,700 | $40,900 | $9,659 |
| 2014 | $34,200 | $6,700 | $40,900 | $9,761 |
| 2013 | $34,200 | $6,700 | $40,900 | $9,635 |
| 2012 | $34,200 | $6,700 | $40,900 | $9,246 |
| 2011 | $34,200 | $6,700 | $40,900 | $8,824 |
| 2010 | $34,200 | $6,700 | $40,900 | $8,318 |
| 2008 | $34,200 | $6,700 | $40,900 | $8,210 |
Property facts
Year built
1967
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
2,017 sqft
Lot size
6,534 sqft
ZIP code
11730
City
East Islip
Street
Seymour Ave
Coordinates
40.74125, -73.17641
Comparable properties nearby
Frequently asked questions
When did 18 Seymour Ave last sell?
No public-record sale is on file for 18 Seymour Ave.
What is the current tax assessment for 18 Seymour Ave?
The most recent total assessment for 18 Seymour Ave (year 2025) is $46,800 with $12,527 in property tax.
When was 18 Seymour Ave built?
18 Seymour Ave was built in 1967.
How does 18 Seymour Ave compare to others on Seymour Ave?
We track 1 other property on Seymour Ave. Browse the list under "Other properties on Seymour Ave" to compare beds, baths, and sale history.
What are the property facts for 18 Seymour Ave?
18 Seymour Ave is a — bath, 2,017 sqft, 6,534 sqft lot single_family.
Is 18 Seymour Ave a flip candidate?
No — 18 Seymour Ave does not appear in our flips dataset.
Is 18 Seymour Ave a tax-appeal candidate?
No — 18 Seymour 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
+2.1%
Implied 1-yr
+8.4%
2026 Q3
$806.5K
2026 Q4
$821.5K
ZIP 11730 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Seymour Ave