21 Millstream Ln
Stony Brook, NY 11790
4 bd 2 ba Built 1967 Lot 16,553 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 | $2,840 | $300 | $3,140 | $15,215 |
| 2024 | $2,840 | $300 | $3,140 | $24,994 |
| 2023 | $2,840 | $300 | $3,140 | $5,297 |
| 2022 | $2,840 | $300 | $3,140 | $5,093 |
| 2021 | $2,840 | $300 | $3,140 | $4,993 |
| 2020 | $2,840 | $300 | $3,140 | $4,715 |
| 2018 | $2,840 | $300 | $3,140 | $4,537 |
| 2017 | $2,840 | $300 | $3,140 | $4,389 |
| 2016 | $2,840 | $300 | $3,140 | $4,455 |
| 2015 | $2,840 | $300 | $3,140 | $4,350 |
| 2014 | $2,840 | $300 | $3,140 | $4,252 |
| 2013 | $2,840 | $300 | $3,140 | $4,107 |
| 2012 | $2,840 | $300 | $3,140 | $3,981 |
| 2011 | $2,840 | $300 | $3,140 | $3,869 |
| 2010 | $2,840 | $300 | $3,140 | $5,590 |
| 2008 | $2,840 | $300 | $3,140 | $7,765 |
| 2007 | $2,840 | $300 | $3,140 | $3,334 |
| 2006 | $2,840 | $300 | $3,140 | $3,072 |
Property facts
Year built
1967
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
—
Lot size
16,553 sqft
ZIP code
11790
City
Stony Brook
Street
Millstream Ln
Coordinates
40.88073, -73.12813
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Millstream Ln last sell?
No public-record sale is on file for 21 Millstream Ln.
What is the current tax assessment for 21 Millstream Ln?
The most recent total assessment for 21 Millstream Ln (year 2025) is $3,140 with $15,215 in property tax.
When was 21 Millstream Ln built?
21 Millstream Ln was built in 1967.
How does 21 Millstream Ln compare to others on Millstream Ln?
We track 6 other properties on Millstream Ln. Browse the list under "Other properties on Millstream Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Millstream Ln?
21 Millstream Ln is a 4 bed, 2 bath, 16,553 sqft lot single_family.
Is 21 Millstream Ln a flip candidate?
No — 21 Millstream Ln does not appear in our flips dataset.
Is 21 Millstream Ln a tax-appeal candidate?
No — 21 Millstream Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+11.7%
Implied 1-yr
+46.8%
2026 Q2
$2.7M
2026 Q3
$2.7M
ZIP 11790 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Millstream Ln