20 Mark St
Port Jefferson Station, NY 11776
— ba Lot 14,810 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 | $2,550 | $300 | $2,850 | $12,647 |
| 2024 | $2,550 | $300 | $2,850 | $12,340 |
| 2023 | $2,550 | $300 | $2,850 | $11,996 |
| 2022 | $2,550 | $300 | $2,850 | $11,707 |
| 2021 | $2,700 | $300 | $3,000 | $11,834 |
| 2020 | $2,700 | $300 | $3,000 | $11,914 |
| 2018 | $2,700 | $300 | $3,000 | $11,685 |
| 2017 | $2,700 | $300 | $3,000 | $10,284 |
| 2016 | $2,700 | $300 | $3,000 | $10,196 |
| 2015 | $2,700 | $300 | $3,000 | $10,025 |
| 2014 | $2,700 | $300 | $3,000 | $9,797 |
| 2013 | $2,700 | $300 | $3,000 | $12,555 |
| 2012 | $2,700 | $300 | $3,000 | $8,283 |
| 2011 | $2,700 | $300 | $3,000 | $2,663 |
| 2010 | $2,700 | $300 | $3,000 | $2,441 |
| 2008 | $2,700 | $300 | $3,000 | $2,378 |
| 2007 | $2,700 | $300 | $3,000 | $2,125 |
| 2006 | $2,700 | $300 | $3,000 | $2,008 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
14,810 sqft
ZIP code
11776
City
Port Jefferson Station
Street
Mark St
Coordinates
40.91911, -73.06251
Frequently asked questions
When did 20 Mark St last sell?
No public-record sale is on file for 20 Mark St.
What is the current tax assessment for 20 Mark St?
The most recent total assessment for 20 Mark St (year 2025) is $2,850 with $12,647 in property tax.
When was 20 Mark St built?
The year built for 20 Mark St is not in our records.
How does 20 Mark St compare to others on Mark St?
We track 4 other properties on Mark St. Browse the list under "Other properties on Mark St" to compare beds, baths, and sale history.
What are the property facts for 20 Mark St?
20 Mark St is a — bath, 14,810 sqft lot single_family.
Is 20 Mark St a flip candidate?
No — 20 Mark St does not appear in our flips dataset.
Is 20 Mark St a tax-appeal candidate?
No — 20 Mark 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
+2.5%
Implied 1-yr
+10.0%
2026 Q3
$636.6K
2026 Q4
$650.2K
ZIP 11776 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mark St