21 Mill St
Port Jefferson Station, NY 11776
— ba 2,232 sqft Built 1986 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 | $3,030 | $300 | $3,330 | $14,594 |
| 2024 | $3,030 | $300 | $3,330 | $13,870 |
| 2023 | $3,030 | $300 | $3,330 | $13,431 |
| 2022 | $3,030 | $300 | $3,330 | $13,137 |
| 2021 | $2,900 | $300 | $3,200 | $12,265 |
| 2020 | $3,145 | $300 | $3,445 | $13,059 |
| 2018 | $3,145 | $300 | $3,445 | $12,814 |
| 2017 | $3,145 | $300 | $3,445 | $12,586 |
| 2016 | $3,145 | $300 | $3,445 | $12,528 |
| 2015 | $3,145 | $300 | $3,445 | $12,373 |
| 2014 | $3,145 | $300 | $3,445 | $12,158 |
| 2013 | $3,145 | $300 | $3,445 | $12,033 |
| 2012 | $3,145 | $300 | $3,445 | $11,723 |
| 2011 | $3,145 | $300 | $3,445 | $11,512 |
| 2010 | $3,300 | $300 | $3,600 | $11,625 |
| 2008 | $3,300 | $300 | $3,600 | $10,835 |
| 2007 | $3,300 | $300 | $3,600 | $10,587 |
| 2006 | $3,300 | $300 | $3,600 | $9,882 |
Property facts
Year built
1986
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
2,232 sqft
Lot size
14,810 sqft
ZIP code
11776
City
Port Jefferson Station
Street
Mill St
Coordinates
40.90958, -73.01079
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Mill St last sell?
No public-record sale is on file for 21 Mill St.
What is the current tax assessment for 21 Mill St?
The most recent total assessment for 21 Mill St (year 2025) is $3,330 with $14,594 in property tax.
When was 21 Mill St built?
21 Mill St was built in 1986.
How does 21 Mill St compare to others on Mill St?
We track 7 other properties on Mill St. Browse the list under "Other properties on Mill St" to compare beds, baths, and sale history.
What are the property facts for 21 Mill St?
21 Mill St is a — bath, 2,232 sqft, 14,810 sqft lot single_family.
Is 21 Mill St a flip candidate?
No — 21 Mill St does not appear in our flips dataset.
Is 21 Mill St a tax-appeal candidate?
No — 21 Mill 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 Mill St