9 Mountain St
Ronkonkoma, NY 11779
1,740 sqft Built 1964 Lot 10,890 sqft single_family
Most recent sale
$430,000
Mar 9, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 9, 2022 | Sold | $430,000 | Public Record |
| Jan 28, 2022 | Sold | $430,000 | MLS #3359153 |
| Nov 12, 2021 | Listed | $430,000 | MLS #3359153 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,500 | $150 | $2,650 | $12,300 |
| 2024 | $2,500 | $150 | $2,650 | $16,139 |
| 2023 | $2,500 | $150 | $2,650 | $6,830 |
| 2022 | $2,500 | $150 | $2,650 | $6,563 |
| 2021 | $2,500 | $150 | $2,650 | $6,453 |
| 2020 | $2,500 | $150 | $2,650 | $6,160 |
| 2019 | $2,500 | $150 | $2,650 | $6,160 |
| 2018 | $2,500 | $150 | $2,650 | $6,025 |
| 2017 | $2,500 | $150 | $2,650 | $5,795 |
| 2016 | $2,500 | $150 | $2,650 | $6,851 |
| 2015 | $2,500 | $150 | $2,650 | $7,168 |
| 2014 | $2,500 | $150 | $2,650 | $7,043 |
| 2013 | $2,500 | $150 | $2,650 | $6,617 |
| 2012 | $2,500 | $150 | $2,650 | $6,320 |
| 2011 | $2,500 | $150 | $2,650 | $5,915 |
| 2010 | $2,500 | $150 | $2,650 | $5,762 |
| 2009 | $2,500 | $150 | $2,650 | $5,550 |
| 2008 | $2,500 | $150 | $2,650 | $4,267 |
| 2007 | $2,500 | $150 | $2,650 | $3,953 |
| 2006 | $2,500 | $150 | $2,650 | $3,952 |
Property facts
Year built
1964
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,740 sqft
Lot size
10,890 sqft
ZIP code
11779
City
Ronkonkoma
Street
Mountain St
Coordinates
40.84141, -73.08183
Comparable properties nearby
Frequently asked questions
When did 9 Mountain St last sell?
9 Mountain St most recently sold on Mar 9, 2022 for $430,000.
What is the current tax assessment for 9 Mountain St?
The most recent total assessment for 9 Mountain St (year 2025) is $2,650 with $12,300 in property tax.
How does 9 Mountain St's assessment compare to its last sale price?
The current assessment is 99.4% below the last sale price of $430,000.
When was 9 Mountain St built?
9 Mountain St was built in 1964.
How does 9 Mountain St compare to others on Mountain St?
We track 2 other properties on Mountain St. Browse the list under "Other properties on Mountain St" to compare beds, baths, and sale history.
What are the property facts for 9 Mountain St?
9 Mountain St is a 1,740 sqft, 10,890 sqft lot single_family.
Is 9 Mountain St a flip candidate?
No — 9 Mountain St does not appear in our flips dataset.
Is 9 Mountain St a tax-appeal candidate?
No — 9 Mountain 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
+1.1%
Implied 1-yr
+4.3%
2026 Q3
$566.9K
2026 Q4
$572.5K
ZIP 11779 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain St