21 Seaside Dr
Port Jefferson, NY 11777
Built 1983 Lot 75,794 sqft single_family
Most recent sale
$975,000
Aug 30, 2017
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 2, 2023 | Sold | $1,250,000 | Public Record |
| Nov 8, 2022 | Sold | $1,250,000 | OneKeyMLS |
| Jul 1, 2022 | Listed | $1,400,000 | MLS #3412621 |
| Sep 3, 2020 | Listing removed | $999,000 | OneKeyMLS |
| Aug 30, 2017 | Sold | $975,000 | MLS #2921532 |
| Mar 16, 2017 | Listed | $999,000 | MLS #2921532 |
| Mar 15, 2017 | Listing removed | $999,000 | OneKeyMLS |
| Mar 13, 2017 | Price changed | $999,000 | MLS #2867007 |
| Jul 10, 2016 | Listing removed | $1,425,000 | OneKeyMLS |
| Mar 9, 2016 | Price changed | $1,425,000 | MLS #2816429 |
| Dec 14, 2015 | Listed | $1,195,000 | MLS #2867007 |
| Nov 2, 2015 | Listing removed | $1,625,000 | OneKeyMLS |
| Apr 16, 2015 | Listed | $1,625,000 | MLS #2754604 |
| Jan 21, 2015 | Listing removed | $1,850,000 | OneKeyMLS |
| Nov 7, 2014 | Listed | $1,850,000 | MLS #2719645 |
| Nov 6, 2014 | Listing removed | $1,850,000 | OneKeyMLS |
| Nov 3, 2014 | Listed | $1,850,000 | MLS #2718615 |
| Oct 31, 2014 | Listing removed | $1,850,000 | OneKeyMLS |
| Apr 9, 2014 | Listed | $1,850,000 | MLS #2662093 |
| Nov 16, 2013 | Listing removed | $1,940,000 | OneKeyMLS |
| Sep 23, 2013 | Price changed | $1,940,000 | MLS #2569673 |
| Jul 9, 2013 | Price changed | $1,950,000 | MLS #2569673 |
| Apr 1, 2013 | Listed | $2,200,000 | MLS #2569673 |
| Nov 15, 2012 | Listing removed | $2,350,000 | OneKeyMLS |
| Jul 9, 2012 | Listed | $2,350,000 | MLS #2509873 |
| Nov 12, 2011 | Listing removed | $2,350,000 | OneKeyMLS |
| Jun 9, 2011 | Listed | $2,350,000 | MLS #2403980 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $7,475 | $1,750 | $9,225 | $13,745 |
| 2024 | $7,475 | $1,750 | $9,225 | $25,199 |
| 2023 | $7,475 | $1,750 | $9,225 | $24,007 |
| 2022 | $7,475 | $1,750 | $9,225 | $22,935 |
| 2021 | $7,475 | $1,750 | $9,225 | $22,326 |
| 2020 | $7,475 | $1,750 | $9,225 | $21,770 |
| 2019 | $7,475 | $1,750 | $9,225 | $21,770 |
| 2018 | $10,550 | $1,750 | $12,300 | $27,203 |
| 2017 | $10,550 | $1,750 | $12,300 | $26,500 |
| 2016 | $14,120 | $1,750 | $15,870 | $34,181 |
| 2015 | $14,120 | $1,750 | $15,870 | $33,808 |
| 2014 | $14,120 | $1,750 | $15,870 | $33,135 |
| 2013 | $14,120 | $1,750 | $15,870 | $31,852 |
| 2012 | $14,120 | $1,750 | $15,870 | $31,381 |
| 2011 | $14,120 | $1,750 | $15,870 | $29,388 |
| 2010 | $14,120 | $1,750 | $15,870 | $28,585 |
| 2009 | $14,120 | $1,750 | $15,870 | $27,375 |
| 2008 | $14,120 | $1,750 | $15,870 | $26,965 |
| 2007 | $14,120 | $1,750 | $15,870 | $25,711 |
| 2006 | $14,120 | $1,750 | $15,870 | $25,711 |
Property facts
Year built
1983
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
75,794 sqft
ZIP code
11777
City
Port Jefferson
Street
Seaside Dr
Coordinates
40.96707, -73.06350
Frequently asked questions
When did 21 Seaside Dr last sell?
21 Seaside Dr most recently sold on Aug 30, 2017 for $975,000.
What is the current tax assessment for 21 Seaside Dr?
The most recent total assessment for 21 Seaside Dr (year 2025) is $9,225 with $13,745 in property tax.
How does 21 Seaside Dr's assessment compare to its last sale price?
The current assessment is 99.1% below the last sale price of $975,000.
When was 21 Seaside Dr built?
21 Seaside Dr was built in 1983.
How does 21 Seaside Dr compare to others on Seaside Dr?
We track 1 other property on Seaside Dr. Browse the list under "Other properties on Seaside Dr" to compare beds, baths, and sale history.
What are the property facts for 21 Seaside Dr?
21 Seaside Dr is a 75,794 sqft lot single_family.
Is 21 Seaside Dr a flip candidate?
No — 21 Seaside Dr does not appear in our flips dataset.
Is 21 Seaside Dr a tax-appeal candidate?
No — 21 Seaside Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.6%
Implied 1-yr
+6.4%
2026 Q1
$880.9K
2026 Q2
$893.6K
ZIP 11777 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Seaside Dr