122 Knolls Dr
Stony Brook, NY 11790
Built 1984 Lot 1,307 sqft condo
Most recent sale
$125,000
Apr 9, 1998
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 23, 2025 | Sold | $540,000 | Public Record |
| Aug 28, 2025 | Sold | $540,000 | OneKeyMLS |
| Jul 15, 2025 | Price changed | $575,000 | OneKeyMLS |
| Jul 2, 2025 | Price changed | $589,000 | OneKeyMLS |
| Jun 2, 2025 | Price changed | $599,000 | OneKeyMLS |
| May 22, 2025 | Price changed | $639,900 | OneKeyMLS |
| Apr 29, 2025 | Listed | $649,900 | OneKeyMLS |
| Apr 3, 2025 | Sold | $361,000 | Public Record |
| Feb 24, 2025 | Sold | $361,000 | OneKeyMLS |
| Dec 3, 2024 | Listed | $350,000 | OneKeyMLS |
| Nov 4, 2023 | Listing removed | $325,000 | OneKeyMLS |
| Oct 20, 2023 | Price changed | $350,000 | OneKeyMLS |
| May 15, 2023 | Listed | $325,000 | OneKeyMLS |
| May 1, 2023 | Listing removed | $325,000 | OneKeyMLS |
| Aug 30, 2022 | Listed | $325,000 | MLS #3426863 |
| Apr 9, 1998 | Sold | $125,000 | Public Record |
| Dec 26, 1989 | Sold | $139,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $785 | $200 | $985 | $4,646 |
| 2024 | $785 | $200 | $985 | $8,645 |
| 2023 | $785 | $200 | $985 | $888 |
| 2022 | $785 | $200 | $985 | $857 |
| 2021 | $785 | $200 | $985 | $839 |
| 2020 | $785 | $200 | $985 | $797 |
| 2019 | $785 | $200 | $985 | $797 |
| 2018 | $785 | $200 | $985 | $777 |
| 2017 | $785 | $200 | $985 | $741 |
| 2016 | $785 | $200 | $985 | $743 |
| 2015 | $785 | $200 | $985 | $726 |
| 2014 | $785 | $200 | $985 | $714 |
| 2013 | $785 | $200 | $985 | $872 |
| 2012 | $785 | $200 | $985 | $806 |
| 2011 | $947 | $200 | $1,147 | $747 |
| 2010 | $947 | $200 | $1,147 | $734 |
| 2009 | $947 | $200 | $1,147 | $675 |
| 2008 | $947 | $200 | $1,147 | $640 |
| 2007 | $947 | $200 | $1,147 | $608 |
| 2006 | $947 | $200 | $1,147 | $608 |
Property facts
Year built
1984
Property type
condo
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
1,307 sqft
ZIP code
11790
City
Stony Brook
Street
Knolls Dr
Coordinates
40.88538, -73.11607
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 122 Knolls Dr last sell?
122 Knolls Dr most recently sold on Apr 9, 1998 for $125,000.
What is the current tax assessment for 122 Knolls Dr?
The most recent total assessment for 122 Knolls Dr (year 2025) is $985 with $4,646 in property tax.
How does 122 Knolls Dr's assessment compare to its last sale price?
The current assessment is 99.2% below the last sale price of $125,000.
When was 122 Knolls Dr built?
122 Knolls Dr was built in 1984.
How does 122 Knolls Dr compare to others on Knolls Dr?
We track 8 other properties on Knolls Dr. Browse the list under "Other properties on Knolls Dr" to compare beds, baths, and sale history.
What are the property facts for 122 Knolls Dr?
122 Knolls Dr is a 1,307 sqft lot condo.
Is 122 Knolls Dr a flip candidate?
Yes — 122 Knolls Dr appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 122 Knolls Dr a tax-appeal candidate?
No — 122 Knolls 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
+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 Knolls Dr