15 Mountain St
Ronkonkoma, NY 11779
4 bd 2 ba 1,684 sqft Built 1964 Lot 10,890 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 | $2,900 | $150 | $3,050 | $11,242 |
| 2024 | $2,900 | $150 | $3,050 | $10,620 |
| 2023 | $2,900 | $150 | $3,050 | $10,317 |
| 2022 | $2,900 | $150 | $3,050 | $9,934 |
| 2021 | $2,900 | $150 | $3,050 | $9,771 |
| 2020 | $2,900 | $150 | $3,050 | $9,432 |
| 2018 | $2,900 | $150 | $3,050 | $9,189 |
| 2017 | $2,900 | $150 | $3,050 | $8,862 |
| 2016 | $2,900 | $150 | $3,050 | $8,839 |
| 2015 | $2,900 | $150 | $3,050 | $8,800 |
| 2014 | $2,900 | $150 | $3,050 | $8,623 |
| 2013 | $2,900 | $150 | $3,050 | $8,676 |
| 2012 | $2,900 | $150 | $3,050 | $8,405 |
| 2011 | $2,900 | $150 | $3,050 | $8,089 |
| 2010 | $2,900 | $150 | $3,050 | $7,630 |
| 2008 | $2,900 | $150 | $3,050 | $8,100 |
| 2007 | $2,900 | $150 | $3,050 | $7,651 |
| 2006 | $2,900 | $150 | $3,050 | $7,188 |
Property facts
Year built
1964
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
1,684 sqft
Lot size
10,890 sqft
ZIP code
11779
City
Ronkonkoma
Street
Mountain St
Coordinates
40.84182, -73.08191
Comparable properties nearby
Frequently asked questions
When did 15 Mountain St last sell?
No public-record sale is on file for 15 Mountain St.
What is the current tax assessment for 15 Mountain St?
The most recent total assessment for 15 Mountain St (year 2025) is $3,050 with $11,242 in property tax.
When was 15 Mountain St built?
15 Mountain St was built in 1964.
How does 15 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 15 Mountain St?
15 Mountain St is a 4 bed, 2 bath, 1,684 sqft, 10,890 sqft lot single_family.
Is 15 Mountain St a flip candidate?
No — 15 Mountain St does not appear in our flips dataset.
Is 15 Mountain St a tax-appeal candidate?
No — 15 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